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FREE AND STUDY GAMES ABOUT AVMT 2206 FINAL EXAM
QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -100 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: The removal, installation, and repair of landing gear tires by the holder of a private pilot certificate on an aircraft owned or operated is considered to be
Answer:
preventive maintenance Question 2: When bleeding aircraft brakes, one of the indications that the air has been purged from the system is
Answer:
firm brake pedals
Question 3: A hydraulic pump is a constant-displacement type if it
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delivers a uniform rate of fluid flow Question 4: (1) When servicing aircraft hydraulic systems, use the type fluid specified in the aircraft manufacturer's maintenance manual or on the instruction plate affixed to the reservoir or unit.(2) Hydraulic fluids for aircraft are dyed a specific color
Answer:
both No. 1 and No. 2 are true
Question 5: Which characteristics apply to aircraft hydraulic systems?
- Minimum maintenance requirements.
- Lightweight.
- About 80 percent operating efficiency (20 percent loss due to fluid friction).
- Simple to inspect.
Answer:
1, 2, 4
Question 6: A hydraulic motor converts fluid pressure to
Answer:
rotary motion Question 7: Pressure is a term used to indicate the force per unit area. Pressure is usually expressed in
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pounds per square inch Question 8: Before removing the filler cap of a pressurized hydraulic reservoir, in order to service the system, you must
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relieve the air pressure Question 9: To prevent external and internal leakage in aircraft hydraulic units, the most commonly used type of seal is the
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O-ring seal Question 10: What action, if any, should be taken when there is a difference of more than 5 pounds of air pressure in tires mounted as duals?
Answer:
Correct the discrepancy and enter in the aircraft records
Question 11: How can it be determined that all air has been purged from a master cylinder brake system?
Answer:
By noting whether the brake is firm or spongy
Question 12: The purpose of a hydraulic pressure regulator is to
Answer:
relieve the pump of its load when no actuating units are being operated
Question 13: Internal leakage in a brake master cylinder unit can cause
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the pedal to slowly creep down while pedal pressure is applied Question 14: The internal resistance of a fluid which tends to prevent it from flowing is called
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viscosity Question 15: Which of the following is adversely affected by atmospheric humidity if left unprotected?
- MIL-H-5606 hydraulic fluid.
- Skydrol hydraulic fluid.
- None of the above.
Answer:
2 Question 16: What safety device is usually located between the driving unit and hydraulic pump drive shaft?
Answer:
Pump drive coupling shear section
Question 17: Chatter in a hydraulic system is caused by
Answer:
air in the system
Question 18: (1) Relief valves are used in pneumatic systems as damage-preventing units.(2) Check valves are used in both hydraulic and pneumatic systems.Regarding the above statements,
Answer:
both No. 1 and No. 2 are true
Question 19: The purpose of restrictors in hydraulic systems is to
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control the rate of movement of hydraulically operated mechanisms Question 20: Seals used with a mineral base hydraulic fluid are identified by which color code?
Answer:
Blue dot or stripe
Question 21: Aircraft tire pressure should be checked
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at least once a week or more often Question 22: How long should you wait after a flight before checking tire pressure?
Answer:
At least 2 hours (3 hours in hot weather) Question 23: After a hydraulic accumulator has been installed and air chamber charged, the main system hydraulic pressure gauge will not show a hydraulic pressure reading until
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the fluid side of the accumulator has been charged Question 24: The component in the hydraulic system that is used to direct the flow of fluid is the
Answer:
selector valve Question 25: If it is determined that spongy brake action is not caused by air in the brake system, what is the next most likely cause?
Answer:
Deteriorated flexible hoses