Chemical Engineering - Fluid Mechanics

11. 

The rate of change of moment of momentum represents the __________ by the fluid.

A. torque applied
B. force exerted
C. work done
D. power developed

Answer: Option A

Explanation:

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12. 

Cd for the orifice plate varies from

A. 0.58 to 0.8
B. 0.93 to 0.98
C. 0.2 to 0.3
D. 0.02 to 0.03

Answer: Option A

Explanation:

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13. 

The discharge through a V-notch weir varies as

A. H3/2
B. H1/2
C. H5/2
D. H2/3

Answer: Option C

Explanation:

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14. 

Water flow rate in a pipe of 3.5 metres diameter can be most economically and conveniently measured by a/an

A. pitot tube
B. venturimeter
C. orificemeter
D. rotameter

Answer: Option A

Explanation:

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15. 

The specific speed of a pump is defined as the speed of a unit of such a size, that it

A. delivers unit discharge at unit head.
B. requires unit power for unit head.
C. delivers unit discharge at unit power.
D. none of these.

Answer: Option A

Explanation:

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