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Engineering Thermodynamics

Engineering Thermodynamics
Which law states that the specific heat of a gas remains constant at all temperatures and pressures?

Charles' Law
Joule's Law
Regnault's Law
Boyle's Law

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Engineering Thermodynamics
The value of 1 mm of Hg is equal to

133.3 N/m2
1.333 N/m2
13.33 N/m2
1333 N/m2

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Engineering Thermodynamics
When gas is heated at constant pressure, the heat supplied is utilized in

Increasing the internal energy of gas and also for doing some external work
None of these
Doing some external work
Increasing the internal energy of gas

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

Constant temperature
Constant volume
Constant pressure
Constant entropy

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Engineering Thermodynamics
The work ratio of simple gas turbine cycle depends upon

Minimum cycle temperature
All of these
Pressure ratio
Maximum cycle temperature

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Engineering Thermodynamics
The heat flows from a cold body to a hot body with the aid of an external source. This statement is given by

Gay-Lussac
Kelvin
Clausis
Joule

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