SSC JE Mechanical Engineering 2011

Instructions

For the following questions answer them individually

Question 131

When starting a centrifugal pump, the delivery valve is kept

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Question 132

Cavitation may occur in a fluid flow if

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Question 133

A device in which some portion of waste heat of flue gases is recovered to heat the air before it passes into the furnace for combustion purpose, is known as

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Question 134

Which aspect is not valid for a fire tube locomotive boiler?

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Question 135

An ideal fluid

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Question 136

Refer to the figure:- $$P_{A} - P_{B}$$ is

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Question 137

For a body placed in water, the resultant hydrostatic force at its:

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Question 138

Flux used in brazing is

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Question 139

A Rota meter is used to measure

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Question 140

In pressure welding, the pressure required to consummate the weld is

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