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Engineering Thermodynamics

Engineering Thermodynamics
The gas turbine cycle with regenerator improves

Work ratio
None of these
Thermal efficiency
Avoid pollution

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Engineering Thermodynamics
The efficiency of Stirling cycle is __________ Carnot cycle.

Less than
Equal to
Greater than
None of these

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Engineering Thermodynamics
Temperature of a gas is produced due to

Its heating value
Surface tension of molecules
Kinetic energy of molecules
Repulsion of molecules

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Engineering Thermodynamics
One molecule of oxygen is __________ times heavier than the hydrogen atom.

16
14
32
12

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Engineering Thermodynamics
The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is equal to

γ
1
∝

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Engineering Thermodynamics
If a certain amount of dry ice is mixed with same amount of water at 80°C, the final temperature of mixture will be

40°C
20°C
80°C
0°C

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