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Engineering Thermodynamics

Engineering Thermodynamics
For which of the following substances, the internal energy and enthalpy are the functions of temperature only

Saturated steam
Any gas
Perfect gas
Water

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Engineering Thermodynamics
The isothermal and adiabatic processes are regarded as

Reversible or irreversible process
None of the listed here
Reversible process
Irreversible process

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Engineering Thermodynamics
Otto cycle is also known as

Constant temperature and pressure cycle
Constant volume cycle
Constant temperature cycle
Constant pressure cycle

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

Remain unchanged
Increase/decrease depending on application
Decrease
Increase

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Engineering Thermodynamics
In open cycle gas turbine plants

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

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Engineering Thermodynamics
The ratio of molar specific heats for mono-atomic gas is

1.67
1.4
1.87
1

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