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37.SSC JE (ME)II Thermodynamics Boster Quiz-5
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Question 1
A heat engine performs a work of 100 kJ per cycle. The efficiency of the engine of the engine is 50%. What will be the amount of heat rejected (in kJ) per cycle?
Question 2
The piston of vertical piston-cylinder device containing a gas has a mass of 60 kg and a cross-sectional area 0.04 m2. The entire system is placed in a vacuum chamber. If temperature of the gas is 700C. What is the pressure of gas inside the cylinder ? g = 9.8 m/s2
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Question 3
When a gas flows through a very long pipe of uniform cross section, the flow approximately
Question 4
Maximum work is done in compressing air when the compression is ________.
Question 5
Gibbs free energy is considered at which one of the following condition?
Question 6
Which of the following laws is applicable for the behaviour of a perfect gas?
Question 7
As the pressure increases, the saturation temperature of the vapour
Question 8
Which of the following equation signifies reversible and possible processes using the inequality equations of Clausius ______.
Question 9
A Carnot engine operates between
and
If the engine produces 300 kJ of work, what is the magnitude of entropy change during heat rejection?
![Description: Description: E:\Gate\SSC JE Mechanical Part 1\Practice-Set-1_files\image088.png](https://gradeup-question-images.grdp.co/liveData/PROJ1036/1478513969497141.png)
![Description: Description: E:\Gate\SSC JE Mechanical Part 1\Practice-Set-1_files\image089.png](https://gradeup-question-images.grdp.co/liveData/PROJ1036/1478513970329631.png)
Question 10
Slope of constant pressure line on temperature entropy diagram is given by.
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