PSTAR Practice Test · Question
What is the primary function of the altimeter?
The altimeter is an instrument that measures the absolute pressure of the ambient air and displays it as an altitude above a reference pressure level, typically
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Question: What is the primary function of the altimeter?
Answer options:
- To indicate true airspeed. ✅ To measure the aircraft's altitude above sea level.
- To show the aircraft's rate of climb or descent.
- To display the aircraft's heading.
Correct answer: To measure the aircraft's altitude above sea level.
Explanation: The altimeter is an instrument that measures the absolute pressure of the ambient air and displays it as an altitude above a reference pressure level, typically corresponding to sea level pressure.
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