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Question 1
In a transport category aircraft hydraulic system operating at 3,000 psi nominal pressure, an actuator piston has an effective surface area of 5.0 square inches. If fluid line resistance causes a 150 psi pressure drop at the actuator inlet, what is the net linear force exerted by the piston?
Correct Answer:
14,250 lbs
Question 2
Why are hydraulic fluid reservoirs in high-altitude transport aircraft pressurized with engine bleed air or regulated nitrogen?
Correct Answer:
To prevent hydraulic pump cavitation at high altitudes and maintain positive fluid head pressure
Question 3
What is the primary function of a nitrogen pre-charged accumulator in a high-pressure aircraft hydraulic system?
Correct Answer:
To damp system pressure surges, supplement pump flow during peak demand, and store emergency pressure
Question 4
During normal low-thrust engine operation (idle or descent), from which stage of a multi-stage turbofan compressor is pneumatic bleed air primarily extracted?
Correct Answer:
High-Pressure (HP) compressor stage
Question 5
What mechanical device inside an Integrated Drive Generator (IDG) maintains a constant generator rotor speed of 12,000 RPM despite varying engine N2 RPM?
Correct Answer:
Constant Speed Drive (CSD) hydro-mechanical governor
Question 1
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About this Exam

Prepare with the NCAA Flight Engineer Licence Practice Questions - NCAA Flight Engineer Licence Examination (Nigeria) Exam practice quiz. This question bank includes 100 questions covering engine, aircraft, flight, fuel, and bleed. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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NCAA Flight Engineer Licence Practice Questions - NCAA Flight Engineer Licence Examination (Nigeria) Exam

This practice set contains 100 questions from the matching question bank and focuses on engine, aircraft, flight, fuel, and bleed. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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