SSC JE Mechanical Engineering 25th May 2014 Shift-1

Instructions

For the following questions answer them individually

Question 161

The process in which no heat enters or leaves the system is called as:

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Question 162

Two gases X and Y having the same temperature T, the same pressure P and the same volume V are mixed. If the mixture has the volume V and temperature T, then the pressure of the mixture will be:

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Question 163

Which gas among the following has the highest value of adiabatic index?

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Question 164

Rotameter is a device used to measure:

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Question 165

The piston of a vertical piston-cylinder device containing a gas has a mass of 60 kg and a cross-sectional area 0.04 m$$^2$$. The entire system is placed in a vacuum chamber. If temperature of the gas is $$70^\circ C$$. What is the pressure of gas inside the cylinder? g = 9.8 m/s$$^2$$

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Question 166

The only angle on which the strength of the tool depends, is:

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Question 167

The size of the gear is usually specified by:

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Question 168

The circumferential stress in a thin shell due to internal fluid is given by:

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Question 169

A long circular cylinder has a diameter D and length L. The slenderness ratio of the column is:

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Question 170

Rivets generally specified by:

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