Practice Module 15 — Gas Turbine Engines Questions
Try 3 free questions from the EASA Part-66 Module 15 — Gas Turbine Engines exam. Covers compressors, combustion, turbines, exhaust, bearings, lubrication, and fuel systems.
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Question 1 of 3 — Section 15.1
Vibration signals picked up
Explanation: Vibration pickup signals pass through a half-wave rectifier to convert the AC signal to a DC value suitable for gauge indication.
Question 2 of 3 — Section 15.10
In a full flow oil system, what determines the oil flow to bearings?
Explanation: Full flow systems determine oil delivery through pump speed (RPM), jet orifice size, oil viscosity (temperature), and pressure differential across spray nozzles.
Question 3 of 3 — Section 15.11
The velocity of supersonic air as it flows through a divergent nozzle
Explanation: In supersonic divergent flow, as velocity increases temperature decreases - velocity is inversely proportional to temperature.
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