A Test Quiz On Basic Aircraft Landing Gear System

14 Questions | By Truonghungngoc | Last updated: Mar 21, 2022 | Total Attempts: 188

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Questions and Answers

1.

If the liquid level gauge in vapor- cycle cooling system indicates a low freon charge, the system should
- A.
  
  Not be operated until freon and oil have been added
- B.
  
  Be operated for a period of time to reach a stable condition and then the freon level rechecked
- C.
  
  Be operated and pressure check performed
2.

Where does the breakage of control cable wires occur most frequently?
- A.
  
  Breakage usually occurs where the cables are swaged to turnbuckle and ball terminals
- B.
  
  Breakage usually occurs where cable pass over pulleys and through fairleads
- C.
  
  Breakage sites are unpredictable and usually occur randomly anywhere along the length of a cable
3.

What controls the inflation sequence in a pneumatic deicer boot system?
- A.
  
  Vacuum pump
- B.
  
  Distributor valve
- C.
  
  Shuttle- valve
4.

Which condition would be most likely to cause excessive vacuum in vacuum system?
- A.
  
  Vacuum relief valve spring weak
- B.
  
  Vacuum relief valve improperly adjusted
- C.
  
  Vacuum pump over speed
5.

After installation of a rebuilt hydraulic hand pump, it is found that the handle cannot be moved in the pumping direction (pressure stoke). The most likely cause is an incorrectly installed
- A.
  
  Hand pump inport check valve
- B.
  
  Inport/outport orifice check valve
- C.
  
  Hand pump outport check valve
6.

Chattering of the hydraulic pump during operation is an indication
- A.
  
  That air is entering the pump
- B.
  
  That the main system relief valve is sticking open
- C.
  
  Of low accumulator preload
7.

What will be the result of the instrument static pressure line become disconnected inside a pressurized cabin during cruising flight?
- A.
  
  The altimeter will read low and the airspeed indicator will read high
- B.
  
  The altimeter and airspeed indicator will both read high
- C.
  
  The altimeter and airspeed indicator will both read low
8.

A "tap test" is conducted to find damage in a
- A.
  
  Composite inspection
- B.
  
  Sheet metal inspection
- C.
  
  Both composite and sheet metal inspection
9.

A loud hammering noise in a hydraulic system having an accumulator usually indicates
- A.
  
  Too low or nor preload in the accumulator
- B.
  
  Too much preload in the accumulator
- C.
  
  Air in the fluid
10.

Upon completion of the landing gear extension cycle, the green light illuminated and the red light remained lit. What is the probable cause
- A.
  
  Short in the up limit switch
- B.
  
  Short in the down limit switch
- C.
  
  Short in the gear safety switch
11.

Excessive wear on both of the side of the control cable pulley grove is evidence of
- A.
  
  Pulley misalignment
- B.
  
  Cable misalignment
- C.
  
  Excessive cable tension
12.

Which statement regarding an aircraft instrument vacuum system is true?
- A.
  
  If the air to each vacuum instrument is connected to a common atmospheric pressure manifold, the system generally will be equipped with instrument filters only
- B.
  
  Vacuum systems are generally more effective at high altitudes than positive pressure systems
- C.
  
  Dry- type vacuum pump with carbon vanes are susceptible to damage form solid airborne particles particles and must take in only filtered air
13.

If and aircraft shock strut (air/ oil type) bottoms upon initial landing contact, but functions correctly during taxi, the most probably cause is
- A.
  
  Low fluid
- B.
  
  Low air charge
- C.
  
  A restricted metering pin orifice
14.

Movement of the cockpit control toward the nose down position during operation check of the elevator trim tab system will cause the trailing edge of the trim tab to move in which direction?
- A.
  
  Upward, regardless of elevator position
- B.
  
  Downward, regardless of elevator positon
- C.
  
  Downward if the elevator is in the UP position and upward if the elevator is in the down position