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Engineering Thermodynamics

Engineering Thermodynamics
If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly

Internal energy
Entropy
Enthalpy
Temperature

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Engineering Thermodynamics
In open cycle gas turbine plants

Direct combustion systems is used
All of these
A condenser is used
The indirect heat exchanger and cooler is avoided

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Engineering Thermodynamics
In an isothermal process

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

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Engineering Thermodynamics
In S. I. units, the value of the universal gas constant is

83.14 J/kg mole-K
8.314 J/kg mole-K
8314 J/kg mole-K
831.4 J/kg mole-K

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Engineering Thermodynamics
The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will

Increase
Increase/decrease depending on application
Remain unchanged
Decrease

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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

Clausis
Kelvin
Joule
Gay-Lussac

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MORE MCQ ON Engineering Thermodynamics

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