Temperature and Atmospheric Pressure NDA Questions

NDA Physical Geography

Temperature and Atmospheric Pressure MCQ Questions


1.
What is the average atmospheric pressure at sea level?
A.
1025 mb
B.
998 mb
C.
1000 mb
D.
1013.2 mb
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ANSWER :
D. 1013.2 mb
2.
Atmospheric pressure is defined as the weight of a column of air per unit area from:
A.
Surface to 10 km height
B.
Troposphere only
C.
Earth's core to the surface
D.
Mean sea level to the top of the atmosphere
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ANSWER :
D. Mean sea level to the top of the atmosphere
3.
Which instrument is used to measure atmospheric pressure?
A.
Barometer
B.
Thermometer
C.
Anemometer
D.
Hygrometer
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ANSWER :
A. Barometer
4.
Atmospheric pressure is expressed in the unit of:
A.
Atmosphere only
B.
Newton/m² only
C.
Pascal only
D.
Millibar (mb)
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ANSWER :
D. Millibar (mb)
5.
How does atmospheric pressure change with increasing altitude?
A.
Decreases with altitude
B.
Remains constant
C.
Increases with altitude
D.
First increases then decreases
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ANSWER :
A. Decreases with altitude
6.
The approximate rate of decrease of atmospheric pressure with altitude in the lower atmosphere is:
A.
10 mb per 1 m increase
B.
1 mb per 100 m increase
C.
1 mb per 10 m increase
D.
5 mb per 10 m increase
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ANSWER :
C. 1 mb per 10 m increase