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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following is the property of a system?

Enthalpy and entropy
Volume and density
Pressure and temperature
All of these

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Engineering Thermodynamics
When the gas is cooled at constant pressure,

Its volume increases but temperature decreases
Its temperature increases but volume decreases
Both temperature and volume decreases
Both temperature and volume increases

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Engineering Thermodynamics
Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant

Internal energy
Pressure
Temperature
Volume

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Engineering Thermodynamics
Energy can neither be created nor destroyed, but it can be transformed from one form to another. This statement is known as

Kinetic theory of gases
Second law of thermodynamics
Zeroth law of thermodynamics
First law of thermodynamics

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

Gay-Lussac
Joule
Kelvin
Clausis

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