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Engineering Thermodynamics

Engineering Thermodynamics
The atomic mass of oxygen is

16
14
121
18

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Engineering Thermodynamics
The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will

Remain unchanged
Increase/decrease depending on application
Decrease
Increase

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Engineering Thermodynamics
The behavior of super-heated vapour is similar to that of

Ordinary gas
Air
Perfect gas
Steam

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Engineering Thermodynamics
The value of n = 1 in the polytropic process indicates it to be

Reversible process
Isothermal process
Adiabatic process
Irreversible process

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Engineering Thermodynamics
The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as

Entropy
External energy
Internal energy
Enthalpy

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Engineering Thermodynamics
The heat and work are mutually convertible. This statement is called ___ law of thermodynamics.

Zeroth
Second
Third
First

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