SSC JE Mechanical Engineering 24th Jan 2018 Shift-2

Instructions

For the following questions answer them individually

Question 181

Fire hose nozzle is generally made of

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Question 182

Profile drag is equal to

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Question 183

Highest efficiency is obtained with following channel section

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Question 184

Gate is an opening

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Question 185

The vertical component of pressure force on a submerged curved surface is equal to

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Question 186

The rise of liquid along the walls of a revolving cylinder above the initial level

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Question 187

The discharge in a Sultro weir varies as proportional to

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Question 188

The component of the force of the fluid on the body (which is generally inclined to the direction of motion of the body) parallel to the direction of motion is called

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Question 189

The pressure coefficient may take the form

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Question 190

The actual velocity at vena contracta for flow through an orifice from a reservoir of height H =

A] $$\sqrt{2gH}$$

B] $$C_v \sqrt{2gH}$$

C] $$\frac{\sqrt{2gH}}{C_v}$$

D] $$C_d \sqrt{2gH}$$

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