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

In a twin-spool gas turbine engine, what does the parameter N1 represent?

The rotational speed of the high-pressure (HP) spool driving the HP compressor The rotational speed of the low-pressure (LP) spool driving the fan and LP compressor The exhaust gas temperature at the turbine outlet The pressure ratio across the whole engine

Correct Answer:

The rotational speed of the low-pressure (LP) spool driving the fan and LP compressor

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