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Engineering Thermodynamics

Engineering Thermodynamics
For which of the following substances, the gas laws can be used with minimum error

Dry steam
Saturated steam
Wet steam
Superheated steam

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Engineering Thermodynamics
A process, in which the gas is heated or expanded in such a way that the product of its pressure and volume remains constant, is called

Polytropic process
Isothermal process
Adiabatic process
Hyperbolic process

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

Isothermal compression
Isentropic expansion
Isothermal expansion
Isentropic compression

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Engineering Thermodynamics
The main cause for the irreversibility is

All of these
Mechanical and fluid friction
Heat transfer with a finite temperature difference
Unrestricted expansion

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Engineering Thermodynamics
The amount of heat required to raise the temperature of __________ water through one degree is called kilojoules.

1 g
100 g
1000 g
10 g

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Engineering Thermodynamics
In closed cycle gas turbine, the air is compressed

None of these
Isothermally
Isentropically
Polytropically

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