SSC JE Mechanical Engineering 23rd Jan 2018 Shift-1

Instructions

For the following questions answer them individually

Question 171

The channel section considered to have the highest efficiency is

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Question 172

Any liquid flow, obeys the following

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Question 173

According to principle of floatation, the weight of liquid displaced as compared to the weight of the body is

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Question 174

The wetted perimeter for a pipe running full of water is equal to: Where d is the diameter of the pipe

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Question 175

Metacentric height is the distance between

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Question 176

Surface tension is caused by the force of ______ at the free surface.

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Question 177

The intensity of pressure in a liquid due its depth will, vary with depth:

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Question 178

The metacentric height of sailing ships is

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Question 179

The discharge through a pipe can be measured with

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Question 180

According to Nikuradse's the boundary behaves hydrodynamically smooth when

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