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Hydraulics and Fluid Mechanics

71.

The flow in a pipe is neither laminar nor turbulent when Reynold number is

Answer: B

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72.

The property by virtue of which a liquid opposes relative motion between its different layers is called

Answer: C

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74.

A weir is said to be narrow-crested weir, if the width of the crest of the weir is __________ half the height of water above the weir crest.

Answer: B

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Answer: A

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76.

An opening in the side of a tank or vessel such that the liquid surface with the tank is below the top edge of the opening, is called

Answer: B

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Answer: A

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Answer: B

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Answer: C

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80.

The force exerted by a moving fluid on an immersed body is directly proportional to the rate of change of momentum due to the presence of the body. This statement is called

Answer: D

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