Rationales.
DHL Interview – ATPL Question Bank
Questions 1–30
Question 1
What is the primary purpose of the Minimum Equipment List (MEL)?
A. To authorize all deferred defects
B. To determine aircraft airworthiness with inoperative equipment
C. To replace the AFM
D. To allow dispatch without maintenance
Correct Answer: B
Rationale:
The MEL specifies which equipment may be inoperative while still allowing the aircraft to be legally
airworthy under defined conditions.
Question 2
At what altitude does Class A airspace normally begin?
A. 10,000 ft AMSL
B. 14,500 ft AMSL
C. FL180
D. FL245
Correct Answer: C
Rationale:
Class A airspace begins at FL180, requiring IFR clearance.
Question 3
What is V1?
A. Rotation speed
B. Takeoff safety speed
,C. Decision speed
D. Best climb speed
Correct Answer: C
Rationale:
V1 is the takeoff decision speed—after passing it, the takeoff must continue even with an engine
failure.
Question 4
What happens to stall speed when aircraft weight increases?
A. Decreases
B. Remains constant
C. Increases
D. Becomes unpredictable
Correct Answer: C
Rationale:
Higher weight requires more lift, increasing the stall speed.
Question 5
Which instrument is most affected by gyroscopic rigidity?
A. Altimeter
B. Turn coordinator
C. Attitude indicator
D. Vertical speed indicator
Correct Answer: C
Rationale:
The attitude indicator relies on rigidity in space to maintain orientation.
Question 6
What is the function of a yaw damper?
A. Prevent pitch oscillations
B. Reduce Dutch roll
C. Control roll rate
D. Increase climb performance
Correct Answer: B
Rationale:
Yaw dampers counteract Dutch roll, improving stability and passenger comfort.
, Question 7
Which system pressurizes the aircraft cabin?
A. Hydraulic system
B. Pneumatic/bleed air system
C. Electrical system
D. Fuel system
Correct Answer: B
Rationale:
Cabin pressurization uses engine bleed air controlled by outflow valves.
Question 8
What is the primary hazard of fuel contamination?
A. Increased fuel burn
B. Engine flameout
C. Higher oil temperature
D. Reduced thrust reverser effectiveness
Correct Answer: B
Rationale:
Water or debris can interrupt fuel flow, causing engine flameout.
Question 9
What does ETOPS primarily address?
A. Cabin crew scheduling
B. Navigation accuracy
C. Extended twin-engine operations
D. Cargo loading limits
Correct Answer: C
Rationale:
ETOPS sets standards for extended operations away from diversion airports.
Question 10
What is the effect of icing on wings?
A. Increased lift
B. Reduced drag