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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following processes is irreversible process?

All of these
Isothermal
Throttling
Adiabatic

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Engineering Thermodynamics
The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is

427 kgfm/mol °K
8314 kgfm/mol °K
29.27 kgfm/mol °K
848 kgfm/mol °K

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Engineering Thermodynamics
According to kinetic theory of gases, the velocity of molecules __________ with the increase in temperature.

Decreases
Remains constant
None of these
Increases

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Engineering Thermodynamics
A cycle consisting of two isothermal and two isentropic processes, is known as

Ericsson cycle
Joule cycle
Stirling cycle
Carnot cycle

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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
Gay-Lussac
Joule

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

Enthalpy
Internal energy
Temperature
Entropy

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