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Question 1
In a twin-spool gas turbine engine, what does the parameter N1 represent?
Correct Answer:
The rotational speed of the low-pressure (LP) spool driving the fan and LP compressor
Question 2
Engine Pressure Ratio (EPR) used as a thrust indication on some turbofan engines is defined as the ratio of:
Correct Answer:
Turbine exhaust total pressure to compressor (engine) inlet total pressure
Question 3
Why is exhaust gas temperature (EGT) one of the most closely monitored gas turbine parameters during engine start and operation?
Correct Answer:
It is a limiting parameter that reflects turbine section thermal stress and prevents turbine blade damage
Question 4
In the Brayton cycle on which a gas turbine operates, where does the addition of heat (fuel burning) take place?
Correct Answer:
In the combustion chamber at approximately constant pressure
Question 5
What is the primary purpose of variable stator vanes (VSVs) in the compressor of a gas turbine engine?
Correct Answer:
To direct airflow onto the rotor blades at the optimum angle across the speed range and prevent compressor stall/surge
Question 1
Exam overview

About this Exam

Prepare with the GCAA CAR-66 B1 Exam Practice Questions - UAE GCAA CAR-66 Aircraft Maintenance Engineer Licence - Category B1 (Mechanical) Exam practice quiz. This question bank includes 100 questions covering aircraft, engine, turbine, maintenance, and engineer. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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GCAA CAR-66 B1 Exam Practice Questions - UAE GCAA CAR-66 Aircraft Maintenance Engineer Licence - Category B1 (Mechanical) Exam

This practice set contains 100 questions from the matching question bank and focuses on aircraft, engine, turbine, maintenance, and engineer. 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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