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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following is the extensive property of a thermodynamic system?

Volume
Temperature
Pressure
Density

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Engineering Thermodynamics
The efficiency of Carnot cycle depends upon

Pressure ratio
Temperature limits
Cut-off ratio and compression ratio
Volume compression ratio

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Engineering Thermodynamics
The unit of pressure in S.I. units is

mm of water column
kg/cm²
Pascal
Dyne per square cm

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Engineering Thermodynamics
The value of cp/cv for air is

1.45
2.3
1
1.4

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Engineering Thermodynamics
In an isothermal process, the internal energy

Remain constant
Decreases
Increases
First increases and then decreases

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Engineering Thermodynamics
The efficiency of Diesel cycle increases with

Increase in cut-off
None of these
Constant cut-off
Decrease in cut-off

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