Aviation Maintenance Technician Exam
Questions and Correct Answers (Verified
Answers) Plus Rationales 2026 Q&A |
Instant Download Pdf
1. What is the primary purpose of a torque wrench in aircraft
maintenance?
A. Measure bolt length
B. Ensure proper tightness of fasteners
C. Detect cracks in metal
D. Balance rotating components
It ensures bolts are tightened to manufacturer specifications,
preventing over- or under-tightening.
2. Which type of inspection is required after a major repair or
alteration of an aircraft?
A. Routine inspection
B. Progressive inspection
C. Annual inspection
D. Preflight inspection
An annual inspection or equivalent is required to certify
airworthiness after major maintenance.
3. What is the primary function of an aircraft aileron?
A. Control yaw
B. Control pitch
C. Control roll
D. Reduce drag
, Ailerons move in opposite directions to roll the aircraft left or
right.
4. Which FAA regulation covers maintenance, preventive
maintenance, rebuilding, and alteration of aircraft?
A. FAR Part 61
B. FAR Part 91
C. FAR Part 43
D. FAR Part 135
FAR Part 43 sets the standards for maintenance and alterations
performed on civil aircraft.
5. What is the correct method for removing corrosion from
aluminum surfaces?
A. Sanding with steel wool
B. Using hydrochloric acid
C. Using a mild abrasive and chemical treatment
D. Scraping with a knife
Proper corrosion removal involves gentle abrasion and approved
chemical treatments to avoid further damage.
6. Which inspection is required after 100 hours of flight for aircraft
used for hire?
A. Preflight inspection
B. 100-hour inspection
C. Annual inspection
D. Progressive inspection
Aircraft used commercially require a 100-hour inspection to ensure
continued airworthiness.
7. What is the primary purpose of aircraft magnetos?
A. Generate hydraulic pressure
B. Power avionics
, C. Provide ignition for the engine
D. Operate landing gear
Magnetos generate high-voltage pulses to fire spark plugs in
piston engines.
8. Which type of fluid is used in most aircraft hydraulic systems?
A. Engine oil
B. Brake fluid DOT 3
C. MIL-H-5606 or MIL-H-83282 hydraulic fluid
D. Water
Aircraft hydraulics typically use specialized mineral-based or
synthetic hydraulic fluids.
9. What does the term "phase inspection" refer to?
A. Inspection only at night
B. Segmented inspection method dividing maintenance into
intervals
C. Inspection of electrical phases
D. Inspection before takeoff
Phase inspections split the aircraft into sections for easier and
systematic inspection.
10. Which instrument measures engine RPM?
A. Altimeter
B. Tachometer
C. Airspeed indicator
D. Manifold pressure gauge
Tachometers indicate engine revolutions per minute to monitor
performance.
11. What is the purpose of a static wick on an aircraft?
A. Increase lift
B. Control fuel flow
Questions and Correct Answers (Verified
Answers) Plus Rationales 2026 Q&A |
Instant Download Pdf
1. What is the primary purpose of a torque wrench in aircraft
maintenance?
A. Measure bolt length
B. Ensure proper tightness of fasteners
C. Detect cracks in metal
D. Balance rotating components
It ensures bolts are tightened to manufacturer specifications,
preventing over- or under-tightening.
2. Which type of inspection is required after a major repair or
alteration of an aircraft?
A. Routine inspection
B. Progressive inspection
C. Annual inspection
D. Preflight inspection
An annual inspection or equivalent is required to certify
airworthiness after major maintenance.
3. What is the primary function of an aircraft aileron?
A. Control yaw
B. Control pitch
C. Control roll
D. Reduce drag
, Ailerons move in opposite directions to roll the aircraft left or
right.
4. Which FAA regulation covers maintenance, preventive
maintenance, rebuilding, and alteration of aircraft?
A. FAR Part 61
B. FAR Part 91
C. FAR Part 43
D. FAR Part 135
FAR Part 43 sets the standards for maintenance and alterations
performed on civil aircraft.
5. What is the correct method for removing corrosion from
aluminum surfaces?
A. Sanding with steel wool
B. Using hydrochloric acid
C. Using a mild abrasive and chemical treatment
D. Scraping with a knife
Proper corrosion removal involves gentle abrasion and approved
chemical treatments to avoid further damage.
6. Which inspection is required after 100 hours of flight for aircraft
used for hire?
A. Preflight inspection
B. 100-hour inspection
C. Annual inspection
D. Progressive inspection
Aircraft used commercially require a 100-hour inspection to ensure
continued airworthiness.
7. What is the primary purpose of aircraft magnetos?
A. Generate hydraulic pressure
B. Power avionics
, C. Provide ignition for the engine
D. Operate landing gear
Magnetos generate high-voltage pulses to fire spark plugs in
piston engines.
8. Which type of fluid is used in most aircraft hydraulic systems?
A. Engine oil
B. Brake fluid DOT 3
C. MIL-H-5606 or MIL-H-83282 hydraulic fluid
D. Water
Aircraft hydraulics typically use specialized mineral-based or
synthetic hydraulic fluids.
9. What does the term "phase inspection" refer to?
A. Inspection only at night
B. Segmented inspection method dividing maintenance into
intervals
C. Inspection of electrical phases
D. Inspection before takeoff
Phase inspections split the aircraft into sections for easier and
systematic inspection.
10. Which instrument measures engine RPM?
A. Altimeter
B. Tachometer
C. Airspeed indicator
D. Manifold pressure gauge
Tachometers indicate engine revolutions per minute to monitor
performance.
11. What is the purpose of a static wick on an aircraft?
A. Increase lift
B. Control fuel flow
