Question 1127Navigation General
70% to passA barometric pressure reading of 29.92 inches of mercury is equivalent to _______________.
A
1013.25 millibars
B
766 millimeters of mercury
C
29.92 feet of water
D
76 centimeters of water
AI Explanation
The correct answer is A) 1013.25 millibars. This is because a barometric pressure reading of 29.92 inches of mercury is equal to 1013.25 millibars, which is the standard atmospheric pressure at sea level. This conversion is based on the standard definition of the millibar unit, which is 1/1000th of a standard atmosphere. The other options are incorrect because: B) 766 millimeters of mercury is not equivalent to 29.92 inches of mercury. C) 29.92 feet of water is not the correct conversion for 29.92 inches of mercury. D) 76 centimeters of water is not the correct conversion for 29.92 inches of mercury.
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