SSC JE Mechanical Engineering 4th March 2017 Shift-1

Instructions

For the following questions answer them individually

Question 11

Maximum work by an expansion of a gas in a closed system is possible when process takes place at constant

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Question 12

In an isothermal process, the internal energy

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Question 13

Which of the following represents the perpetual motion of the first kind

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Question 14

The door of a running refrigerator inside a room was left open. Which of the following statement is correct?

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Question 15

A perfect gas at $$27^\circ C$$ was heated until its volume was doubled. The temperature of the gas will now be

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Question 16

For same compression ratio and for same heat added

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Question 17

The efficiency of Diesel cycle with decrease in cut off

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Question 18

The ideal efficiency of an Ericsson cycle with perfect regeneration and operating between two given temperature limits is

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Question 19

A steam nozzle converts______.

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Question 20

Which is the wrong assumption for calculation of air standard efficiency?

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