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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
1.27
1.35
0.75

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Engineering Thermodynamics
In an isothermal process

There is no change in enthalpy
There is no change in internal energy
All of the listed here
There is no change in temperature

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Engineering Thermodynamics
Reversed joule cycle is called

Rankine cycle
Bell Coleman cycle
Brayton cycle
Carnot cycle

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Engineering Thermodynamics
The thermal efficiency of an ideal gas turbine plant is given by (where r = Pressure ratio)

1 - (1/r) γ - 1/ γ
1 - (1/r) γ/γ - 1
1 - rγ - 1
rγ - 1

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Engineering Thermodynamics
One kg of carbon monoxide requires __________ kg of oxygen to produce 11/7 kg of carbon dioxide gas.

11/4
9/7
All of the listed here
4/7

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Engineering Thermodynamics
The unit of universal gas constant is

None of these

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