Term
| Why would you apply locking dog? |
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Definition
| the lifted load must remain hanging for a given period of time. |
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Term
| shock loading can be prevented by? |
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Definition
| careful application of power |
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Term
| method for lowering heavy load, when power is not supplied? |
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Definition
| disengage master clutch, engage hoist clutch and release brake. |
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Term
| when crane is left for extended periods the boom position shall be? |
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Definition
| set according to manufacturers recommendations. |
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Term
| Where are the dead end boom lifting cables fastened? |
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Definition
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Term
| Which synthetic rope has the best energy absorbtion? |
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Definition
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Term
| Main function of gantry ? |
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Definition
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Term
| What type of stress are on main boom pins? |
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Definition
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Term
| Hydraulic pump cavitation cause by? |
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Definition
| Not enough oil getting to pump |
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Term
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Definition
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Term
| Jib is offset at 15° and boom is at 45° the angle of the jib to the ground is? |
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Definition
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Term
| Seasonal Performance of diesel engines is related to condition of hte fuel system and the proper ? |
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Definition
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Term
| A relay in electrical circuit prevents? |
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Definition
| loss of voltage to the load |
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Term
| All signals given with forefinger are for? |
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Definition
| Precision movement of the load |
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Term
| periodic inspections be made regularly and ? |
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Definition
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Term
| Boom pendants or standing rope :SF |
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Definition
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Term
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Definition
| Lessen the stress on the pendants |
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Term
| Connection type used for connecting hoist lines to boom tip?( reeving) |
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Definition
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Term
| Best way to stop swing motion on lattice boom cranes is to? |
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Definition
| Use the swing to follow the load |
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Term
| LMI primary funtion is to? |
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Definition
| Warn the operator of potential overloading |
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Term
| Grey sludge in crankcase oil indicates ? |
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Definition
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Term
| When 3, 12 volt batteries are connecting and the result is 12 volts this is called ? |
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Definition
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Term
| Minimum of __ feet should be allowed between crane cwt and nearest obstacle. |
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Definition
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Term
| Before installing the superstructure to the carrier the operator must clean all splined shafts and the ? |
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Definition
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Term
| When installing jib boom the "back stays" only are adjustable |
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Definition
| " back stays" should be equal to or longer than the "fore Stay" |
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Term
| Greatest potential for side loading boom? (config.) |
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Definition
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Term
| Prior to taking rough terrain crane on the road it is necessary to ? |
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Definition
| Lower and secure boom for the front and set the house brake |
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Term
| Internal combustion engines are most frequent in terms of Stroke cycle, number of cylinders and? |
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Definition
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Term
| Accuracy of lattice boom dial indicator? |
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Definition
| Set crane carrier level. raise boom 45° and check whether the dial also indicates 45° |
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Term
| Power to travel the crawler mounted lattice boom crane is derived from? |
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Definition
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Term
| Continuous repetitive lifts at high operating speeds? |
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Definition
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Term
| Safest point a crane can make a lift from is the with hook ? |
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Definition
| In the centre of the rear quadrant |
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Term
|
Definition
| torsional stress at boom tip |
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Term
| Crane operations are ceased when wind is at? |
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Definition
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Term
| When adding/removing cwt on the crane the operator should ensure? |
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Definition
| the boom is first lowered |
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Term
| Test all brakes and clutches for proper adjustment the operator should? |
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Definition
| lift a capacity or near cap load just enough to visibly clear the ground |
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Term
| to select a shackle you must know |
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Definition
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Term
| u bolt clip should always be placed around the dead end of the cable? |
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Definition
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Term
| the term to describe the weight of attach. in relation to the lifting caps is ? |
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Definition
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Term
| load is within cap on lattice boom crane and machine will the hoist? |
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Definition
| master clutch adjustment too loose |
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Term
| Aux load lifting winch requires what working condition? |
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Definition
| when load must be lifted with a jib |
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Term
| to level crane carrier use a carpenters level, then? |
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Definition
| sight the load line through the boom for dead centre, rotate 1/4 turn and repeat |
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Term
| result of rapid lift acceleration? |
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Definition
| loads higher than actual load weights |
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Term
| Crawler best boom angle for travel |
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Definition
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Term
| When working in confined area, good practice to |
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Definition
| make a practice run without the load |
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Term
| which type of comm for multi crane lifts? |
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Definition
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Term
| which type of comm for multi crane lifts? |
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Definition
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Term
| which type of comm for multi crane lifts? |
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Definition
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Term
| what pre caution when removing back hitch pins on a frame gantry? |
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Definition
| remove all tension from pendant lines |
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|
Term
a tagline on clamshell bucket will prevent
? |
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Definition
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Term
| 3 degrees off level when crane is set up for lift can decrease by? |
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Definition
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Term
| What percentage of level does a crane have to be for gross ratings to be valid? |
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Definition
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Term
| How many broken wires in rot. Resistant rope cause for replacement? |
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Definition
| 2 broken wire in 6 rope diameter |
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Term
| RT crane are generally greater over the? |
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Definition
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Term
| On duty cycle reduce capacity by? |
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Definition
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Term
| OSHA states accessibility to operating crane must always be barricade within? |
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Definition
| The swing radius of the rear of the rotating superstructure. |
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Term
| OSHA governing cranes in construction regulation is? |
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Definition
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Term
| When lifting personnel the total weight of the load must not exceed __% of crane capacity |
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Definition
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Term
| Side loading is only permitted with? |
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Definition
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Term
| If operator makes 2 audible signals when moving crane they intend to? |
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Definition
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Term
| Load test on repaired crane must not exceed? |
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Definition
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Term
| Tipping axis of crawler crane is? |
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Definition
| Depends if idler or sprocket are in line or offset from track rollers |
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Term
| OSHA 1926.1408 when working near powerlines of 850kV how much clearance is generally required? |
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Definition
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