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Engineering Thermodynamics

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

Celsius
Fahrenheit
Kelvin
Centigrade

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Engineering Thermodynamics
Temperature of a gas is produced due to

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

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Engineering Thermodynamics
During which of the following process does heat rejection takes place in Carnot cycle?

Isothermal expansion
Isentropic expansion
Isentropic compression
Isothermal compression

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

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Engineering Thermodynamics
Stirling and Ericsson cycles are

Reversible cycles
Quasi-static cycles
Semi-reversible cycles
Irreversible cycles

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Engineering Thermodynamics
The temperature at which the volume of a gas becomes zero is called

Absolute scale of temperature
None of these
Absolute zero temperature
Absolute temperature

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