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Engineering Thermodynamics

Engineering Thermodynamics
The entropy __________ in an irreversible cyclic process.

Remains constant
Decreases
None of these
Increases

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Engineering Thermodynamics
Minimum work in compressor is possible when the value of adiabatic index ‘n’ is equal to

1.35
0.75
1.27
1

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Engineering Thermodynamics
The natural petroleum may be separated into

Lubricating oil
Fuel oil
Kerosene
Petrol

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Engineering Thermodynamics
The state of a substance whose evaporation from its liquid state is complete, is known as

Air
Steam
Vapour
Perfect gas

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

Greater than
None of these
Less than
Equal to

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Engineering Thermodynamics
The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is

427 kgfm/mol °K
848 kgfm/mol °K
29.27 kgfm/mol °K
8314 kgfm/mol °K

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