Pressure Barometer NDA Questions

NDA Physics

Pressure Barometer MCQ Questions


13.
A barometer is used to measure
A.
Temperature
B.
Humidity
C.
Atmospheric pressure
D.
Altitude
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ANSWER :
C. Atmospheric pressure
14.
Which of the following gases is commonly used in barometers?
A.
Oxygen
B.
Carbon dioxide
C.
Mercury
D.
Nitrogen
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ANSWER :
C. Mercury
15.
A manometer is used to measure?
A.
Flow rate of fluids
B.
Atmospheric pressure
C.
Pressure difference between two points
D.
Temperature
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ANSWER :
C. Pressure difference between two points
16.
The pressure exerted by a column of liquid is proportional to?
A.
Its volume
B.
Its density
C.
Its height
D.
Its temperature
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ANSWER :
C. Its height
17.
What is the typical unit for expressing atmospheric pressure at sea level?
A.
mmHg
B.
atm
C.
psi
D.
kPa
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ANSWER :
B. atm
18.

Pascal is defined as?

A.

N/m2

B.

kg/m2

C.

m/s2

D.

J/m3

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ANSWER :

A. N/m2