PSTAR Practice Test · Question
What is the standard atmospheric pressure at sea level in inches of mercury?
The standard atmospheric pressure at sea level is 29.92 inches of mercury (Hg) or 1013.25 millibars (mb). This value is used as a reference for altimeter settin
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Question: What is the standard atmospheric pressure at sea level in inches of mercury?
Answer options: ✅ 29.92 inches Hg
- 30.00 inches Hg
- 1013.25 mb
- 29.29 inches Hg
Correct answer: 29.92 inches Hg
Explanation: The standard atmospheric pressure at sea level is 29.92 inches of mercury (Hg) or 1013.25 millibars (mb). This value is used as a reference for altimeter settings and atmospheric calculations.
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- Within a control zone, what is the minimum flight visibility for VFR flight by day?
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