Exercise: Hydraulics And Fluid Mechanics

Questions for: Hydraulics And Fluid Mechanics

The dynamic viscosity of the liquid __________ with rise in temperature.
A:
remain unaffected
B:
increases
C:
decreases
D:
Answer: C
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The mass of 2.5 m3 of a certain liquid is 2 tonnes. Its mass density is
A:
200 kg/m3
B:
400 kg/m3
C:
600 kg/m3
D:
800 kg/m3
Answer: D
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A closed tank is completely filled with an oil. If it is made to move with a horizontal acceleration, then the pressure at the back end will be more than that at the front end.
A:
Correct
B:
Incorrect
C:
D:
Answer: A
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Barometer is used to measure
A:
velocity of liquid
B:
atmospheric pressure
C:
pressure in pipes and channels
D:
difference of pressure between two points in a pipe
Answer: B
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The hydraulic gradient line is always parallel to the centre line of the pipe.
A:
Correct
B:
Incorrect
C:
D:
Answer: B
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