Brunei DCA CPL(A) Instrumentation Practice Questions - Brunei DCA CPL(A) Theoretical Knowledge - Aircraft General Knowledge Instrumentation Exam

What internal mechanism enables a Vertical Speed Indicator (VSI) to measure rate of climb or descent?

A pitot-static dual diaphragm connected to a gyroscopic rate sensor A flexible diaphragm inside a case, equipped with a calibrated metering leak An electronic pressure transducer measuring total temperature variations A sealed aneroid capsule expanding against an internal vacuum

Correct Answer:

A flexible diaphragm inside a case, equipped with a calibrated metering leak

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