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What will the ASI pointer read, if both the Pitot tube and the static system are blocked?(a) Zero(b) Positive Infinite(c) No reading(d) Negative InfiniteThe question was asked at a job interview.My doubt is from Instrument Shop topic in division Instrument Shop of Aircraft Maintenance

Answer»

The correct option is (a) Zero

Easiest explanation: If both the Pitot TUBE and the STATIC system are blocked, the ASI POINTER will read zero on its SCALE. However, if the static ports are blocked but the Pitot tube remains open, the ASI will continue to operate, but will give INACCURATE readings.



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