Term
| 3 types of pneumatic systems |
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Definition
High pressure (1000-3300 psi)
Medium pressure (35 - 150 psi)
Low pressure (0-30 psi) |
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Term
| 2 types of landing gear configurations? |
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Definition
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Term
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Definition
Single disk
Dual disk
Multi disk
Segmented rotor
Expander tube
Drum brake |
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Term
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Definition
Mechanical
Independent
Power boost
Power brake |
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Term
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Definition
In line/ Integral
Cone
Ball
Flapper |
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Term
| Types of hydraulic filters |
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Definition
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Term
| 3 types of hydraulic fluid |
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Definition
Vegetable
Petroleum
Phosphate-Ester |
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Term
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Definition
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Term
| 3 methods of pressurizing Reservoirs |
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Definition
Engine bleed air
Variable displacement pump
Hydraulic system pressure |
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Term
| Delta P indicator? What does it do? |
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Definition
Differential Pressure indicator
-Prevents over pressurization
-Indicates clogged filter |
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Term
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Definition
Synthetic
Phosphate ester (skydrol) |
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Term
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Definition
Ensures components move in order
Manually operated check valve |
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Term
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Definition
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Term
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Definition
Used between actuators and controls
Relieves pressure due to heat expansion
Relieves small amount of fluid |
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Term
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Definition
Relief valves
Pressure regulators
Pressure reducers |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
| 2 types of spring steel landing gears |
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Definition
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Term
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Definition
Oleo strut
Spring steel
Shock cords
Trailing link |
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Term
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Definition
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Term
| 4 Types of extension methods |
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Definition
Electrical
Hydraulic
Pneumatic
Emergency |
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Term
| 2 types of hydraulic systems |
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| Air conditioning pressurization |
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Term
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Definition
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Term
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Definition
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Term
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Definition
-Selector
-Check
-Sequence
-Prority
-Quick disconnect
-Hydraulic fuses
-Pressure control |
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Term
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Definition
-Blue
-Natural Rubber seals
-Flammable
--7644 |
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Term
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Definition
-Red
-Neoprene/ Buna-N Seals
-Flammable
--5606 |
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Term
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Definition
-Purple
-Butyl Rubber Seals
-Fire Resistant
-Skydrol |
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Term
| A flow control valve that allows full flow in one direction, but no flow in the opposite direction is known as... |
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Definition
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Term
| A flow control valve that allows full flow in one direction and restricted flow in the other direction is known as... |
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Definition
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Term
| What is the purpose of a hydraulic fuse? |
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Definition
| Closes line should leak occur |
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Term
| What is the purpose of the "Stand Pipe" in a hydraulic reservoir? |
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Definition
To not use all fluid in a reservoir.
Its at a higher point of the reservoir. |
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Term
| What are 3 reasons for pressurizing a reservoir? |
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Definition
-Better fluid flow
-High altitudes
-Prevent fluid foaming |
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Term
| Difference between priority valve and sequence valves? |
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Definition
Priority - Actuated by hydraulic pressure
Sequence - Mechanically actuated |
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Term
| When adjusting pressure in a system with multiple relief valves, what order should they be adjusted in? |
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Definition
| Highest pressure to lowest pressure |
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Term
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Definition
| Stores hydraulic pressure |
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Term
| 3 types of pumps used in hydraulic systems |
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Definition
Hand pump
Variable displacement
Constant displacement |
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Term
| 4 types of Constant displacement pumps |
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Definition
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Term
| Why should minimum fuel load be considered when operating hydraulic components on some aircraft? |
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Definition
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Term
| What is the purpose of a shimmy damper? |
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Definition
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Term
| What is the purpose of a fusible plug? |
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Definition
| Melts at high temp to allow tire to deflate to reduce risk of explosion |
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Term
| What is the purpose of a compensator port in a brake master cylinder? |
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Definition
-keeps pressure chamber full
-allows for thermal expansion |
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Term
| What is the purpose of chines on a tire? |
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Definition
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Term
| 3 defects that render a tire un-airworthy |
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Definition
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Term
| Where should tires be stored? |
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Definition
-cool / dry / dark location
-32 - 80 F
-away from fuel & oil
-original container not bins or nail
-wrap in heavy paper and dust w/talc
-away from electric motors & ozone |
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Term
| Safety precautions used when servicing a tire |
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Definition
-regulator.
-inflation cages.
-Following established maintenance manual procedures.
-Outfitting all servicing equipment with regulators.
-Inflating wheel/tire assemblies only with nitrogen. |
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Term
| What is a debooster valve? |
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Definition
-reduce pressure & gain in volume
-compensating port |
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Term
| 2 advantages of carbon over steel brakes |
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Definition
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Term
| 3 main components of an anti-skid system |
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Definition
-A/S valves
-Wheel speed sensor
-Computer
-Fluid lines |
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Term
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Definition
| 2 pieces of sheet metal with small amount of grease between to place under tire so tire can be moved easily during alignment |
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