Mechanical Engineering - Hydraulics and Fluid Mechanics

31. 

The coefficient of viscosity may be determined by

A. capillary tube method
B. orifice type viscometer
C. rotating cylinder method
D. all of these

Answer: Option D

Explanation:

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32. 

The stability of a dam is checked for

A. tension at the base
B. overturning of the wall or dam
C. sliding of the wall or dam
D. all of these

Answer: Option D

Explanation:

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33. 

An ideal fluid is frictionless and incompressible.

A. Correct
B. Incorrect

Answer: Option A

Explanation:

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34. 

A manometer is used to measure

A. low pressure
B. moderate pressure
C. high pressure
D. atomospheric pressure

Answer: Option C

Explanation:

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35. 

The centre of gravity of the volume of the liquid displaced is called

A. centre of pressure
B. centre of buoyancy
C. metacentre
D. none of these

Answer: Option B

Explanation:

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