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Engineering Thermodynamics

Engineering Thermodynamics
Which law states that the specific heat of a gas remains constant at all temperatures and pressures?

Regnault's Law
Joule's Law
Charles' Law
Boyle's Law

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Engineering Thermodynamics
When two bodies are in thermal equilibrium with a third body, they are also in thermal equilibrium with each other. This statement is called

Zeroth law of thermodynamics
Second law of thermodynamics
Kelvin Planck's law
First law of thermodynamics

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Engineering Thermodynamics
One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to

1200 K
800 K
1000 K
1400 K

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Engineering Thermodynamics
In a free expansion process

Work done is zero
Both (A) and (B) above
Work done is zero but heat increases
Heat transfer is zero

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Engineering Thermodynamics
The atomic mass of nitrogen is __________ oxygen.

More than
Equal to
Less than
None of these

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Engineering Thermodynamics
A heat exchange process in which the product of pressure and volume remains constant is known as

Hyperbolic process
Isentropic process
Heat exchange process
Throttling process

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