1.

If the pitot opening is blocked, but the drain hole is open, it will cause the system pressure to drop to __________(a) Critical pressure(b) Low pressure(c) Ambient pressure(d) Atmospheric pressureThe question was asked in exam.This question is from Instrument Shop topic in section Instrument Shop of Aircraft Maintenance

Answer»

Correct answer is (c) Ambient pressure

The explanation is: If the PITOT opening is blocked, but the DRAIN hole is open, it will cause the system pressure to drop to ambient pressure. Ambient pressure on an OBJECT refers to the pressure of the SURROUNDING MEDIUM.



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