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Engineering Thermodynamics

Engineering Thermodynamics
The heat and mechanical energies are mutually convertible. This statement was established by

Joule
Charles
None of these
Boyle

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Engineering Thermodynamics
If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as

Free expansion
Adiabatic expansion
Hyperbolic expansion
Throttling

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Engineering Thermodynamics
The efficiency of the Carnot cycle may be increased by

Decreasing the highest temperature
Increasing the highest temperature
Increasing the lowest temperature
Keeping the lowest temperature constant

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

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

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Engineering Thermodynamics
The value of gas constant (R) in S. I. units is

2.87 J/kgK
28.7 J/kgK
0.287 J/kgK
287 J/kgK

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Engineering Thermodynamics
The unit of mass in S.I. units is

Gram
Kilogram
Quintal
Tonne

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