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Engineering Thermodynamics

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

1.35
1.27
0.75
1

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Engineering Thermodynamics
Which of the following processes are thermodynamically reversible?

Constant volume and constant pressure
Throttling
Isothermal and adiabatic
Free expansion

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Engineering Thermodynamics
According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) _________ with the change in pressure and temperature of the gas.

Both (A) and (B)
Do not change
None of these
Change

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Engineering Thermodynamics
Which of the following variables controls the physical properties of a perfect gas?

All of these
Temperature
Volume
Pressure

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Engineering Thermodynamics
Change in enthalpy of a system is the heat supplied at

Constant pressure
Constant entropy
Constant temperature
Constant volume

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Engineering Thermodynamics
The fuel mostly used in blast furnace for extracting pig iron from iron ores is

Pulverized coal
Soft coke
Bituminous coal
Hard coke

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MORE MCQ ON Engineering Thermodynamics

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