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Hydraulics and Fluid Mechanics

31.

The point in the immersed body through which the resultant pressure of the liquid may be taken to act is known as

Answer: B

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32.

An object having 10 kg mass weighs 9.81 kg on a spring balance. The value of 'g' at this place is

Answer: A

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33.

According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to

Answer: A

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34.

The value of coefficient of velocity for a sharp edged orifice __________ with the head of water.

Answer: B

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35.

When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called

Answer: B

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Answer: B

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Answer: D

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38.

The atmospheric pressure with rise in altitude decreases

Answer: B

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39.

A flow through an expanding tube at constant rate is called

Answer: B

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40.

The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the Centroid, if

Answer: D

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