Details Title: A@P General Description: A@P GENERAL Total Flash Cards: 307 Created: 09/30/2008 21:16:59		New Users: To study from this flashcard set, or to create your own your own study flash cards, REGISTER HERE. Existing Users: CLICK HERE. Additional Aviation Flashcards
Cards in this set: Term     Which maintenance entry best describes action for a .125-inch dent in a straight section of 1/2-inch aluminum tubing? Definition     Dented section removed and replaced with identical new tubing flared to 37 degress. Term     Which statement is true regarding the requirements for maintenance record format? Definition     Any format that provides record continuity and includes the required information may be used. Term       where is the entry for the inspection recorded? Definition       In each record Term for aircraft operated under part 91,when is the aircraft time required to be recorded in the records? Definition After satisfactorily completing inspections Term what difference is there between the record entry requirements for maintenance and the record entry requirements for inspections? Definition Aircraft total time is required to be included only in the inspection entry. Term If more space is needed for work description entered on the FAA form 337, what info should be included on the attached sheets? Definition Aircraft nationality and registration mark, and the date the work was acomplished Term which aircraft record best describes a repair of a dent in a tubular steel strucure dented at the cluster? Definition welding a reinforcing plate over the dented area Term who is responsible for making the entry in the maintenance records after an inspection Definition the person approving or disapproving the return to service. Term which records must be obtained for at least a year? Definition Records of maintenance,alterations,preventitive maintanence,1200 hour, annual,and progressive inspections. Term a certified mechanic without inspection authorization who signs the appropriate block on FAA form 337 is doing what? Definition Certifying that the work was done iaw the requirements of 14 CFR part 43 Term which of the following records must be retained and transferred when the aircraft is sold? Definition Current status of applicable AD's and date and time when recurring AD's are next due. Term an aircraft owner was provided a list of discrepancies that was not approved for return to service after a inspection, who may correct these discrepancies? Definition 2   An appropriately rated mechanic  Term when a discrepancy list is provided to an aircraft owner after an inspection, it says in effect that. Definition except for these discrepancies, the item inspected is airworthy Term in order to reconstruct lost or destroyed records, what is necessary to establish? Definition Total time in service of the airframe Term when approving for return to service , the approving person must enter in the record? Definition a description, date , name of the person , signature, certificate number, and kind of certificate held. Term what is/are the appropriate action(s) concerning minor repairs performed on a certificated aircraft. Definition entries must be made in the aircrafts maintenance record Term when work is performed on an aircraft that nessititates the use of FAA form 337, who should prepare the form? Definition The person who performs and supervises the work. Term What is the status of data used as a basis for approving major repairs or alterations for return to service?  Definition Data must be FAA approved prior to its use for that purpose. Term Which statement is true regarding the use of FAA form 337? Definition FAA form 337 is not authorized for use with other than U.S. registered aircraft. Term After making a repair to an engine the FAA form is prepared. How many copies are required and who do they go to? Definition Two; one to the owner the other to the FAA. Term Who is responsible for the upkeep of the required maintenance records for an aircraft? Definition The aircraft owner Term an aircraft was not approved for return to service and the owner wants to fly it to another maintanence base. Which statement is correct? Definition The owner must obtain a special flight permit. Term each person perfoming an inspection must shall use a checklist that contains at least those items in the appendix of Definition 14 CFR Part 43. Term An FAA Form 337 is used to record and document? Definition Major repairs and Major alterations. Term after completing a 100 hour inspection the mechanic must do what? Definition Make the proper entries in the aircrafts maintenance record. Term which of the following may a certified airframe and powerplant mechanic perform on aircraft and approve for a return to service? Definition a 100 hour inspection, a progressive inspection , under specified circumstances. Term if a double acting cylinder in a 3000 psi system has a piston with a surface area of three inches , with a rod cross section area of one inch , how much force will the actuator be able to produce when retracting? Definition 6,000 pounds   3-1=2 x3000 Term The boiling point of a given liquid varies? Definition directly with pressure. Term an engine that weighs 350 pounds. the engine is raised 3 feet , and then moved forward 12 feet. a constant force of 70 pounds is required to move it .What is the total work input required to move the hoist?  Definition 840 foot pounds   12 X 70 = 840 Term Under which conditions will the rate of flow of a liquid through a metering orifice be the greatest? Definition Unmetered pressure, 17 PSI; metered pressure 5 psi; atmospheric pressure 14.7 psi Term be reduced to one-half its original value.  Definition if the volume of a confined gas is doubled( without the addition of more gas) , the pressure will( assume the temperature remains constant.) ? Term If the temperature of a confined liquid is held constant and its pressure is tripled, the volume will? Definition remain the same Term How much work is required to lower a 120 pound wieght form the top of a 3ft table? Definition 360 foot pounds? Term If the fluid pressure is 800 psi in a 1/2 inch line supplying an actuatingcylinder with a piston area of 10 square inches , the force exertedon the piston will be Definition 8,000 pounds   800 X 10 Term What factors are required to determine power? Definition Force, Distance and Time Term what force must be applied to roll a 120 pound barrel up an incline 9 ft long with a height of 3 ft. Definition 40 pounds Term Which statement concerning heat and temperature is true? Definition Temperature is a measure of the kinetic energy of the molecules of any substance. Term If all a significant part of a stall strip is missing on an airplane wing , a likely result will be Definition asymmetrical lateral control at or near stall angles of attack Term The purpose of stall strips on airplane wings is to Definition ensure that the wing root areas stall first. Term The puprose of an aircraft wing dihedral to ? Definition increase lateral stability. Term Suitability for use of a specific propeller with a particular engine can be determined by reference to what informational source? Definition Aircraft Specifications or aircraft Type Certificate Data Sheet. Term the issuance of a Airworthiness certificate is governed by Definition 14 CFR Part 21. Term Specifications pertaining to an aircraft model manufactured under a type certificate of which less than 50 are shown on the FAA Aircraft registry? Definition Aircraft Listing Term Where are technical descriptions of certified propellers found ? Definition Propeller Type Certificate Data Sheet Term Placards required on on aircraft are specified in Definition Aircraft Specifications or Type Certificate Data Sheets. Term Technical information about older aircraft models of which no more than fifty remain in service can be found? Definition Aircraft listing Term Which of the following are sometimes used as authorization to deviate from an aircrafts original design? Definition FAA Form 337, Supplemental Type Certificates, Airwothiness Directive. Term Which regulation provides information regarding instrument range markings for an airplane certificated in the normal category? Definition 14 CFR Part 23 Term   Which regulation provides the airworthiness standards for an airplane certificated in the normal category? Definition 14 CFR Part 23 Term Which is not FAA approved data? Definition AC 43.13-2A Term What is the maintenance recording responsibility of the person who complies with an AD? Definition Make an entry into the maintenance record. Term Aviation Maintenance alerts do what? Definition Provide information about aircraft problems and suggested corrective actions. Term Which doubler requires heat treatment before installation Definition -102 Term How many parts will need to be fabricated by the mechanic in the construction and installation of one doubler Definition 3 Term Type certificate data sheets are issued for which of the following products? Definition Aircraft, engines, and propellers. Term The high end of the white arc on the airspeed instrument would be at Definition 139 knots Term When is a mechanic responsible for checking AD compliance? Definition When perfoming an inspection required under part 91, 125, 135. Term What does the Type Certificate Data Sheet designation code '2 PCSM' mean? (KO1) Definition Two place ( number of seats), closed, sea, monoplane. Term Which of the following includes all the regulatory definitions of maintenance? Definition Overhaul, repair, parts replacement, inspection, and preservation. Term A repair, as performed on the airframe shall mean? Definition the restoration of the airframe to a condition for safe operation after damage or deterioration. Term Under the federal aviation regulations, an aviation maintenance technician is required to perfom maintenance on an aircraft so that it? Definition is at least equal to its original or properly altered condition. Term The replacement of fabric on fabric covered parts such as wings, fuselages, stabilizers, or control surfaces is considered to be a? Definition Major repair even though no other alteration or repair is performed. Term The 100 hour inspection required by Federal Aviation Regulations for certian aircraft being operated for hire may be performed by Definition appropriately rated mechanics and approved by them for return to service. Term A person working under the supervision of a certified mechanic with an airframe and powerplant rating is not authorized to perform? Definition a 100 hour inspecton. Term Certified mechanics, under the general certificate privleges, may? Definition perform 100 hour inspection of instruments. Term An Airworthiness Directive requires that a propeller be altered. Certified mechanics could Definition perform and approve the work for return to service if it is a minor alteration. Term The replacement of a damaged vertical stabilizer with a new identical stabilizer purchased from the aircraft manufacturer is considered a? Definition Minor repair Term FAA Certified mechanics may Definition approve for return to service a minor alteration they have perfomed appropriate to the rating(s) they hold. Term A certified mechanic with a powerplant rating may perfom the Definition 100 hour inspection required by the federal aviation regulations on a powerplant or any component thereof and approve and return the same to service. Term What part of the federal aviation regulations perscribes the requirements for issuing certifications for mechanics? Definition 14 CFR Part 65. Term How long does the holder of a certificate have to notify the FAA after any permanent mailing address. Definition 30 days Term Why is a mechanic applicant issued a temporary certificate after successful completion of the required tests? Definition To allow for review of his or her application and supplemental documents. Term what is the maximum duration of a temporary airman certificate? Definition 120 days Term Which of the following statements is true for a certified and appropriatly rated mechanic regarding repairs and alterations? Definition He/ She may perform an airframe major repair or major alteration, but cannot approve the work for return to service. Term Who is responsible for determining that materials used in aircraft maintenance and repair are of the proper type and conform to the appropriate standards? Definition The installing person or agency. Term The replacement of a damaged engine mount with a new identical engine mount purchased from the manufacturer is considered a?  Definition minor repair Term Who has the authority to approve for return to service a propeller after a 100 hour inspection? Definition A mechanic with a powerplant rating Term Instrument repairs may be performed at? Definition A FAA Approved instrument repair station. Term Where is the record of compliance with Airworthiness Directives or manufacturers' service bulletins normally indicated? Definition Aircraft Maintenance Records Term If work performed on an aircraft has been done satisfatorily, the signature of an authorized person on the maintenance records for maintenance or alterations performed constitutes? Definition approval for return to service only for the work performed. Term During an annual inspection, if a defect is found which makes the aircraft unworthy, the person disapproving must? Definition provide a written notice of the defect to the owner. Term  the FAA issues what to notify people of unsafe conditions Definition Airworthiness Directives Term Which is an appliance major repair? Definition Overhaul of a hydraulic pressure pump Term Which aircraft record entry is the best description of the replacement of several damaged heli-coils in a casting? Definition Eight 1/4 - 20 inch standard heli-coils were replaced. The damaged inserts were extracted, the tapped holes gaged, then new inserts installed, and tangs removed. Term Which maintenance record best describes the action taken for a control cable showing approximately 20 wear on several of the individual outer wires at a fairlead?  Definition wear within acceptable limits, repair not necessary. Term Why is it considered good practice to normalize a part after welding? Definition To relieve internal stresses developed within the base metal Term Holes and a few projecting globules are found in a weld. What action should be taken? Definition Remove all the old weld, and reweld the joint. Term which condition indicates a part has cooled too quickly after being welded? Definition Cracking adjacent to the weld Term select a characteristic of a good gas weld? Definition the weld should taper off smoothly into the base metal. Term One characteristic of a good weld is that no oxide should be formed on the base metal at a distance from the weld of more than Definition 1/2 inch Term in examining and evaluating a welded joint, a mechanic should be familiar with? Definition likely ambiant exposure conditions and intended use of the part, along with type of weld and original part material composition Term On a fillet weld, the penetration requirement includes what percentage of the base metal thickness? Definition 25 to 50 percent Term In examining and evaluating a welded joint, a mechanic should be familiar with Definition likely ambiant exposure conditions and intended use of the part, along with the type of weld and original part material composition. Term which tool can be used to measure the alignment of a rotor shaft or the plane of rotation of a disk? Definition Dial indicator Term Which tool is used to measure the clearance between a surface plate and a relatively narrow surface being checked for flatness Definition A Thickness Gauge Term which number represents the vernier scale graduation of a micrometer? Definition .0001 Term Which tool is used to find the center of a shaft or other cylindrical work? Definition Combination Set Term If it is necessary to accuratly measure the diameter of a hole approximately 1/4 of a inch in diameter, the mechanic should use a ? Definition small hole gauge and determine the size of the hole by taking a micrometer reading of the ball end of the gauge. Term What tool is generally used to set a divider to an exact dimension? Definition Machinist scale Term What tool is generally used to calibrate a mircometer or check its accuracy? Definition Gauge Block Term What presision tool is used to measure a crankpin and main bearing journals  for out of round wear? Definition Micrometer caliper Term The side clearances of piston rings are measured with a? Definition thickness gauge Term How can the dimensional inspection of a bearing in a rocker arm be accomplished? Definition Telescopic gauge and micrometer Term The twist of a connecting rod is checked by installing push-fit arbors in both ends, supported by parallel steel bars on a surface plate. Measurements are taken between the arbor and the parallel bar with a Definition thickness gauge Term The clearance between the piston rings and the ring lands is measured with a ? Definition thickness gauge Term What may be used to check the stem on a poppet-type valve for stretch Definition micrometer Term Which tool can be used to determine piston pin out of wear? Definition Micrometer caliper Term During an engine start a hung start occurred. Select the proper procedure. Definition Shut the engine down Term A hung start in a jet engine is often caused by Definition the starter cutting off too soon. Term Which statement below reflects a typical requirement when towing some aircraft Definition If the aircraft has a steerable nosewheel, the torque link lock should be set to full swivel. Term Which statement is/are true regarding tiedown of small aircraft Definition nylon or dacron rope is preffered to manilla rope. Term When approaching the front of an idling jet engine , the hazard area extends forward of the engine approximately. Definition 25 feet Term Which of the following is the most satisfactory extinguishing agent for use on a carburetor or intake fire? Definition Carbon Dioxide Term If a radial engine has been shut down for more than thirty minutes , the propeller should be rotated through at least two revolutions to Definition Check for hydraulic lock Term The priming of a fuel injected horizontally opposed engine is accomplished by placing the fuel control level in the Definition FULL-RICH Position Term Which of the following conditions has the most potential for causing engine damage when starting or attempting to start a turbine engine? Definition Hot Start Term How is a flooded engine, equipped with a float type carburator, cleared of excessive fuel? Definition Crank the engine with the starter  or by hand, with the mixture control in cutoff ,ignition switch OFF Term Generally, when an induction fire occurs during starting of a reciprocating engine, the first course of action should be to. Definition continue cranking and start the engine if possible. Term When starting and ground operating an aircrafts engine, the aircraft should be positioned to head into the wind primarily Definition for engine cooling purposes Term when approaching the rear of an idling turbojet or turbofan engine. the hazard area extends aft of the engine approximately Definition 100 feet Term If a hot start occurs during starting of a turbine powerplant, what is the likely cause Definition The fuel/ air mixture was excessively rich Term What effect, if any, will aviation gasoline mixed with jet fuel have on a turbine engine? Definition The tetraethyl lead in the gasoline forms deposits on the turbine blades Term (1)Jet fuel is of a higher viscosity than aviation gasoline and therefore holds contaminants more readily   (2)Viscosity has no relation to contamination with fuel Definition only No.1 is true Term Weathervaning tendency is greatest when taxiing Definition a tailwheel-type airplane in a direct crosswind Term When taxiing an airplane with a quartering tailwind the elevators and Definition upwind aileron should be held in the down position Term When taxiing( or towing ) an aircraft , a flashing red light from the control tower means? Definition move clear of the runway/taxiway immediatly Term A person should approach or leave a helicopter in the pilots field of vision whenever the engine is running in order to avoid. Definition the tail rotor Term When taxiing or ( towing ) an aircraft, a flashing white light form the tower means? Definition return to starting point Term When taxiing or ( towing) an aircraft, an alternating red and green light form the tower meams? Definition OK to proceed but use extreme caution Term When stopping a nosewheel-type airplane after taxiing, the nosewheel should be left? Definition pointed straight ahead Term The color of 100LL fuel is Definition Blue Term How are aviation fuels, which possess greater antiknock qualities than 100 octane, classified? Definition By performance numbers Term Why is ethylene dibromide added to aviation gasoline Definition To scavenge lead oxide from the cylinder combustion chambers Term Both gasoline and kerosene have certian advantages for use as turbine fuel. Which statement is true in reference to the advantages of each? Definition Kerosene has a higher heat energy/value per unit volume than gasoline. Term What must accompany fuel vaporization? Definition An absorption of heat. Term Characteristics of detonation are Definition Rapid rise in cylinder pressure, excessive cylinder head temperature, and a decrease in engine power. Term Fuel that vaporizes too readily may cause Definition Vapor Lock Term Jet fuel number identifiers are Definition type numbers and have no relation to the fuels performance in the aircraft engine Term Tetraethyl lead is added to aviation gasoline to Definition improve the gasolines performance in the engine Term   A fuel that does not vaporize readily enough can cause Definition hard starting Term A primary reason why ordinary or otherwise nonapproved cleaning compounds should not be used when washing aircraft is because thier use can result in Definition hydrogen embrittlement in metal structures Term How may magnesium engine parts be cleaned? Definition Wash with a commercial solvent, decarbonize, and scrape or grit blast? Term When an anodized surface coating is damaged in service, it can be restored by ? Definition chemical surface treatment Term For which of the following reasons would a water break test be conducted? Definition To make certian that a bare metal surface is thoroughly clean Term Select the solvent recommended for wipedown of cleaned surfaces just before painting Definition Aliphatic naptha Term Nickel-cadmium battery cases and drian surfaces which have been affected by electrolyte should be neutralized with a solution of Definition Boric Acid Term Select the solvent used to clean acrylics and rubber Definition Aliphatic naphtha Term Fayed surfaces cause concern in chemical cleaning because of the danger of Definition entrapping corrosive materials Term Caustic cleaning products used on aluminum structures have the effect of producing Definition corrosion Term Fretting Corrosion is most likely to occur Definition when two surfaces fit tightly together but can move relative to one another Term Which of the following are the desired effects of using Alodine on aluminum alloy? Definition A slightly rough surface   increased corrosion resistance Term Which of the listed conditions is NOT one of the requirements for corrosion to occur Definition The presence of a passive oxide film Term The lifting or flaking of the metal at the surface due to delamination of grain boundries caused by the presence of corrosion residual product buildup is called Definition exfoliation Term A nonelectrolyte chemical treatment for aluminum alloys to increase corrosion resistance and paint-bonding qualities is called Definition alodizing Term Which of the following are acceptable to use in cleaning anodized surfaces   steel wool, brass wire brush, aluminum wool, Stainless steel wire brush,fiber bristle brush Definition aluminum wool, fiber bristle brush Term intergranular corrosion in aluminum alloy parts Definition cannot always be detected by surface indications Term Which of the following may not be detectable even by careful visual inspection of the surface of aluminum alloy parts or structures Definition intergranular corrosion Term What may be used to remove corrosion from highly stressed steel surfaces Definition Fine-grit aluminum oxide Term A primary cause of intergranular corrosion is Definition improper heat treatment Term Why is it important not to rotate the crankshaft after the corrosion preventive mixture has been put into the cylinders on engines prepared for storage Definition The seal of corrosion preventive mixture will be broken Term Which of the following is an acceptable first step procedure to help prevent scratching when cleaning a transparent plastic surface. Definition flush the surface with clean fresh water Term What should be done to prevent rapid deterioration when oil or grease come in contact with the tire. Definition Wipe the tire down with dry cloth then wash with soap and water Term Galvanic corrosion is likely to be most rapid and severe when Definition the surface area of the anodic metal is smaller than the surface area fo the cathodic metal Term Corrosion caused by galvanic action is the result of Definition contact between two unlike metals Term Which of these materials is most anodic Definition Magnesium Term Which of these materials is most cathodic Definition stainless steel Term One way of obtaining increased resistance to stress corrosion cracking is by Definition creating compressive stresses( via shot peening) on the metal surface Term A specific measured distance from the datum or some other point identified by the manufacturer, to a point in or on the aircraft is called a Definition Station number Term Which statement is true regarding orthographic projection Definition One view, two view, and three view drawings are the most common Term What are the proper procedural steps for sketching repairs and alterations Definition 3,1,4,2 Term Which statement is applicable when using a sketch for making a part. Definition The sketch must show all information to manufacture the part. Term What is the next step required for a working sketch of the illustration Definition Sketch extension and dimension lines Term For sketching purposes, almost all objects are composed of one or some combination of six basic shapes, what are they? Definition triangle, circle, cube, cylinder,cone,sphere Term What should be the first step of the procedure in sketching an aircraft wing skin repair? Definition Block in the views Term A simple way to find the center of a circle on a sketch or drawing , or a circular piece of material is to Definition draw two non-parallel chord lines across the circle and then a corresponding perpendicular bisector line across each chord line Term Working drawings may be divided into three classes.They are? Definition Detail Drawings, assembly drawings, and installation drawings Term What is the class of working drawing that is the description/ depiction of a single part Definition Detail drawing Term the measurements showing the ideal or "perfect" sizes of parts on drawings are called? Definition dimensions Term Zone numbers on the aircraft blueprints are used to Definition locate parts, sections, and views on large drawings Term One purpose for schematic diagrams is to show the Definition functional location of components within a system Term The drawings used in illustrated parts manuals are Definition exploded view drawings. Term A drawing in which the sub assemblies or parts are shown as brought together on the aircraft is called Definition an installation drawing Term In what type of elecrical diagram shows the wire size required for a particular system. Definition A pictoral diagram Term Schematic diagrams are best suited for which of the following Definition troubleshooting system malfunctions Term In the reading of aircraft blueprints, the term" tolerance, used in association with aircraft parts or components ?   Definition is the difference between extreme permissible dimensions that a part may have and still be acceptable.   Term When computing weight and balance, an airplane is considered to be in balance when? Definition  the average moment arm of the loaded airplane falls within its CG range. Term The useful load consist of? Definition crew , usuable fuel,passengers,and cargo Term Which of the following can provide the empty weight of an aircraft if the records become lost or destroyed? Definition Reweighing the aircraft Term In the theory of wieght and balance, what is the name of the distance from the fulcrum to an object Definition Lever Arm Term In the process of weighing an airplane toward obtaining the CG, the arms from the weighing points always extend Definition parallel to the centerline of the airplane Term Which would have an effect on the aircrafts CG results when conducting a weight and balance check Definition Leaving the downlocks installed Term When an aircraft is positioned for weighing on scales located under each landing gear wheel, which of the following may cause erroneous scale readings? Definition Parking Brakes Set Term What weighing method generally yields the highest degree of aircraft leveling accuracy Definition Spirit level Term To obtain useful weight data for purposes of determining the CG, it is necessary that an aircraft be wieghed Definition in a level flight attitude Term What type of measurement is used to designate the arm in weight and balance Definition distance Term The maximum weight of an aircraft is? Definition empty weight plus the useful load Term What should be clearly indicated on the aircraft weighing form? Definition Weighing points Term The empty weight of an airplane is determined by Definition subtracting the tare weight from the scale readings and adding the weight of each weighing point Term When dealing with weight and balance of an aircraft, the term maximum weight refers to? Definition authorized weight of the aircraft and its contents Term The major source of wieght changes is due to?  Definition repairs and alterations Term The amount of fuel used for computing empty wieght and corrosponding CG is Definition unusable fuel Term BALLAST WEIGHT FORMULA Definition       ballast wieght=empty wieght x distance out / distance ballast - new CG Term Two boxes which weigh 10 pounds and 5 pounds are placed in a airplane so that thier distane is 2 feet and 4 feet. away. how far forward should a twenty pound box be placed in order not to change the CG Definition 2.5 FEET Term If a 40 pound generator applies 1400 inch pounds to a ference axis, the generator is located at Definition +35 from the axis   1400/40=35 Term All other things being equal, if an item of useful load is removed, the aircrafts CG change will be Definition Forward in proportion to the weight of the item and its location in the aircraft. Term When making a rearward weight and balance check  to determine that CG will not exceed the rearward limit during extreme conditions, the items of useful load which should be computed at thier minimum weights are those located forward of the Definition rearward CG limit. Term When accomplishing loading computations for a small aircraft, necessary information obtained from the weight and balance records would include Definition current empty weight and empty weight CG Term When computing the maximum forward loaded CG of an aircraft, minimum wieghts, arms,and moments should be used for items of useful load that are located aft of the Definition forward CG limit Term An aircrafts LEMAC and TEMAC are defined in terms of distance Definition From the datum Term If an aircrafts CG is found to be at 24 percent of MAC, that 24 % is an expression of the Definition distance from the LEMAC Term Which coupling nut should be selected for use with 1/2 inch aluminum oil lines which are to be assembled using flared tube ends and standard AN nuts ,sleeves and fittings? Definition AN-818-8 Term Metal tubing fluid lines are sized by wall thickness Definition outside diameter in 1/16 inch increments Term From the following sequence of steps, indicate the proper order you would use to make a single flare on a piece of tubing   Definition 3,1,6,2,5,4 Term Hydraulic tubing, which is damaged in a localized area to such an extent that repair is necessary, may be repaired Definition by cutting out the damaged area and utilizing a swaged tube fitting to join the tube ends. Term What is an advantage of a double flare on aluminum tubing Definition More resistant to damage when the joint is tightened Term A certian amount fo slack must be left in a flexible hose during installation because, when under pressure, it Definition contracts in length and expands in diameter Term The term "cold flow" is generally associated with Definition impressions left in natural or synthetic rubber hose material  Term What is the color of an AN steel flared-tube fitting Definition Black Term Which of the following statement is/are correct in reference to flare fittings Definition AN fittings have an identifying shoulder between the end of the threads and the flare cone. Term Flexible lines must be installed with Definition  a slack of 5 to 8 percent of the length Term The maximum distance between end fittings to which a straight hose assembly is to be connected is 50 inches. The minimum hose length to make such a connection should be. Definition 52-1/2 inches Term The material specifications for a certian aircraft require that a replacement oil line be fabricated from 3/4 inch .072 5052-0 aluminum alloy tubing.What is the inside dimension of this tubing Definition .606   .750-2(.0720)= .606 Term In most aircraft hydrualic systems , two piece tube connectors consisting of a sleeve and a nut are used when a tubing flare is required. The use of this type connector eliminates Definition the possibility of reducing the flare thickness by wiping or ironing during the tightening process Term Which statement(s) about Military Standard (MS) flareless fittings is/are true?  Definition During installation, MS flareless fittings are normally tightened by applying a specified torque to the nut Term When flaring aluminum tubing for use with AN fittings, the flare angle must be Definition 37 Degrees Term Scratches or nicks on the straight portion of aluminum alloy tubing may be repaired if they are no deeper than Definition 10 percent of the wall thickness Term Flexible hoses used in aircraft systems are classified in size according to the Definition inside diameter Term A scratch or nick in aluminum tubing can be repaired provided it does not Definition appear in the heel of the bend Term Which of the following hose materials are compatible with phosphate-ester base hydraulic fluids Definition Butyl and Teflon Term Which tubings have the characteristics ( high strength, abrasion resistance) necessary for use in a high pressure (3000 PSI) hydrualic system for operation of landing gear and flaps? Definition Corrosion resistant steel annealed or 1/4H Term When installing bonded clamps to support metal tubing Definition remove paint or anodizing from tube at clamp location Term In a metal tubing installation Definition tension is undesirable because pressurization will cause it to expand and shift Term The best tool to use when cutting aluminum tubing, or any tubing of moderately soft metal is a Definition hand operated wheel type tubing cutter Term The primary purpose of providing suitable bends in fluid and pneumatic metal tubing runs is to Definition prevent excessive stress on the tubing Term Which of the following statements is true regarding minimum allowable bend radii for 1.5 inches OD or less aluminum alloy and steel tubing of the same size? Definition The minimum radius for steel is greater than for aluminum. Term A gas or fluid filled line marked with the letters PHDAN is Definition used to carry a hazardous substance. Term Which statement is true regarding the variety of symbols utilized on the identifying color code bands that are currently used on aircraft plumbing lines? Definition Symbols are always black agianst white background regardless of line count. Term If a flared tube coupling is overtightened, where is the tube most likely to be weakened/damaged Definition At the sleeve and flare junction Term Which statement concerning Bernoulli's principle is true? Definition The pressure of a fluid decreases at points where the velocity increases Term Which statement is true regarding flattening of tubing in bends? Definition Flattening by not more than 25 percent of the original diameter is permissable Term A 3/8 inch aircraft high pressure flexible hose as compared to 3/8 inch metal tubing used in the same system will? Definition have equivalent flow characteristics. Term Magnetic particle inspection is used primarily to detect? Definition flaws on or near the surface Term Liquid penetrant inspection methods may be used on which of the following? Definition ferrous metals,nonferrous metals,nonporous plastics Term Which NDI method is suitable for metals,plastics, and ceramics for surface and subsurface defects? Definition Ultrasonic inspection Term Which of the following defects are not acceptable  for metal lines? Definition Dents in straight section that are 20% of tube diameter.   Seams   cracked flare,   dents in the heel Term What NDI method requires little preparation and  may be used to separate metals or alloys and thier heat-treat conditions? Definition Eddy current inspection Term What method of magnetic particle inspection is used most often  to inspect aircraft parts for invisible cracks and other defects? Definition Continuous Term How many of these factors are considered essential knowledge of X ray exposure? Definition Three Term The testing medium that is generally used in magnetic particle inspection utilizes a ferromagnetic material that has Definition high permeability and low retentivity Term Which statement relating to the residual magnetizing inspection method is true? Definition It may be used with steels which have been heat treated for stressed applications Term A mechanic has completed a bonded honeycomb repair. What NDI method can be used to determine the soundness of the repair? Definition Metallic ring test Term What two types of indicating mediums are avaliable for magnetic particle inspection? Definition Wet and Dry process materials Term Which of the following materials may be inspected using the magnetic particle inspection method? Definition Iron alloys Term One way a part may be demagnetized after magnetic particle inspection is by Definition slowly moving the part out of an AC magnetic field of sufficient strength Term Which type of crack can be detected by magnetic particle inspection using either circular or longitudinal magnetization? Definition 45 degree. Term Which of the following methods may be suitable to use to detect cracks open to the surface in aluminum forgings and castings? Definition Dye penetrant,eddy current, ultrasonic,and visual   1,4,5,6 Term To detect a minute crack using dye penetrant inspection usually requires? Definition a longer than normal penetrating time Term Which of the following is a main determinant of the dwell time to use when conducting a dye or fluorescant penetrant inspection? Definition The size and shape of the discontinuities being looked for. Term When checking an item with an magnetic particle inspection method, circular and longitudinal magnetization should be used to   Definition reveal all possible defects. Term In magnetic particle inspection, a flaw that is perpendicular to the magnetic field flux lines generally causes Definition a large distruption in the magnetic field Term If dye penetrant inspection indications are not sharp and clear, the most probable cause is that the part Definition was not thoroughly washed before the developer was applied. Term The pattern for an inclusion is a magnetic particle bulidup forming Definition parallel lines Term A part which is being prepared for dye penetrant inspection should be cleaned with Definition a volatile petroleum based solvent. Term Under magnetic particle inspection, a part will be identified as having a fatigue crack under which condition Definition The discontinuity is found in a highly stressed area of the part. Term In perfoming a dye penetrant inspection, the developer? Definition acts as a blotter to produce a visible indication Term What defects will be detected by magnetizing a part using continous longitudinal magnetization with a cable? Definition Defects perpendicular to the long axis of the part Term What type of corrosion may attack the grain boundries of aluminum alloys when the heat treatment process has been improperly accomplished? Definition Intergranular Term Which of the following describe the effects of annealing steel and aluminum alloys? Definition 1  decrease in internal stress, 2  and softening of the metal Term Which heat treating process of metal produces a hard, wear-resistant surface over a strong,tough core? Definition Case hardening Term Which heat-treating operation would be performed when the surface of the metal is changed chemically by introducing a high carbide or nitride content Definition Case hardening Term Normalizing is a process of heat treating Definition iron-base metals only. Term Which of the following occurs when a mechanical force is repeatedly applied to most metals at room temperature,such as rolling,hammering,or bending? Definition The metals become cold worked,strain, or work hardened Term The reheating of a heat treated metal, such as with a welding torch? Definition can significantly alter a metals properties in the reheated area Term Why is steel tempered after being hardened? Definition To relieve its internal stresses and reduce its brittleness Term What aluminum alloy designations indicate that the metal has recieved no hardening or tempering treatment? Definition 3003-F Term Which material cannot be heat treated repeatedly without harmful effects? Definition Clad aluminum alloy. Term What is descriptive of the annealing process of steel during and after it has been annealed? Definition Slow cooling; low strength. Term Unless otherwise specified, torque values for tightening aircraft nuts and bolts relate to Definition clean dry threads. Term What is generally used in the construction of aircraft firewalls? Definition Stainless steel Term Unless otherwise specified or required,aircraft bolts  should be installed so that the bolthead is? Definition upward, or in a rearward direction Term Alclad is a metal consisting of Definition pure aluminum surface layers on an aluminum alloy core. Term A fiber type, self locking nut must never be used on an aircraft if the bolt is? Definition Subject to rotation Term The SAE made up a numbering system for metals. In the number 4130 the first digit indicates?  Definition basic alloying element Term Which bolthead code markings shown identifies an AN corrosion resistant steel bolt? Definition the one with the minus sign. Term Aircraft bolts with a cross or asterisk marked on the bolthead are Definition standard steel bolts Term Which statement regrading aircraft bolts is correct? Definition In general, bolt grip lengths should equal the material thickness Term Generally speaking,bolt grip lengths should be ? Definition equal to the thickness of the material which is fastened together Term When the specified torque value for nuts is not given, where can the recommended torque value be found? Definition AC 43.13-1B Term Identify the clevis bolt? Definition # 3, can use a flat head to thread in Term A bolt with a single raised dash on the head is classified as an Definition AN corrosion-resistant steel bolt Term How is a clevis bolt used with a fork end cable terminal secured? Definition With a shear nut tightened to a snug fit, but with no strain imposed on the fork and safe tied with a cotter pin Term Where is an AN clevis bolt used in an airplane? Definition Only for shear load applications Term A bolt with an X inside a triangle on the head is classified as an? Definition NAS close tolerance bolt. Term The core material of Alclad 2024-t4 is Definition heat treated aluminum alloy, and the surface material is commercially pure aluminum Term The aluminum code number 1100 identifies what type of aluminum? Definition 99 percent commercially pure aluminum Term Aircraft bolts are usually manufactured with a Definition class 3 fit for the threads Term In the four digit aluminum numbering system the first digit indicates? Definition the major alloying element Term How is the locking feature of the fiber-type locknut obtained? Definition By the use of an unthreaded fiber locking insert. Term Why should an aircraft maintenance technician be familiar with weld nomenclature? Definition In order to gain familiarity with the welding technique, filler material, anf temperature range used. Term (1) Schematic diagrams indicate the location of individual components in the aircraft.   (2) Schematic diagrams indicate the location of components with respect to each other within a system. Definition only No.2 is true Term (1) According to 14 cfr Part 91,repairs to an aircraft skin should have a detailed dimensional sketch included in the permanent records.   (2) On occasion, a mechanic may need to make a simple sketch of a proposed repair on an aircraft, a new design, or a modification Definition only No.2 is true Term (1) in the corrosion process, it is the cathodic area or dissimilar cathodic material that corrodes.   (2) In the galvanic or Electro-Chemical Series for metals, the most anodic metals are those that will give up electrons most easily. Definition Only No.2 is true Term (1) A supplemental Type certificate may be issued to more than one applicant for the same design change, providing each applicant shows compliance with the applicable airworthiness requirement.   (2) An installation of an item manufactured in accordance with the technical Standard Order system requires no further approval for installation in a particular aircraft. Definition Only No.1 is true Term (1) The Federal Aviation Regulations require approval after compliance with the data of a Supplemental Type Certificate. (2) An installation of an item manufactured in accordance with the Technical Standard Order system requires no further approval for installation in a particular aircraft. Definition Only No. 1 is true Term (1) Propellers are NOT included in the Airworthiness Directive system.   (2) A certified powerplant mechanic may take a minor repair on an aluminum propellor and approve for return to service. Definition Only No.2 is true Term (1) Manufacturer's data and FAA publications such as Air Worthiness Directives, Type Certificate Data Sheets, and advisory circulars are all approved data. (2) FAA publications such as Technical Standard Orders,Airworthiness Directives, Type Certificate Data Sheets, and Aircraft Specifications and supplemental Type Certificates are all approved data Definition only No.2 is true Term Definition