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Engineering Thermodynamics

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

kg/cm²
mm of water column
Pascal
Dyne per square cm

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

None of these
Joule
Charles
Boyle

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Engineering Thermodynamics
Total heat of a substance is also known as

Entropy
Internal energy
Enthalpy
Thermal capacity

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Engineering Thermodynamics
The efficiency of Diesel cycle with decrease in cut-off

First increases and then decreases
First decreases and then increases
Increases
Decreases

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Engineering Thermodynamics
According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) _________ with the change in pressure and temperature of the gas.

None of these
Change
Both (A) and (B)
Do not change

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Engineering Thermodynamics
The area under the temperature-entropy curve (T – s curve) of any thermodynamic process represents

Heat rejected
None of the listed here
Either heat absorbed or heat rejected
Heat absorbed

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MORE MCQ ON Engineering Thermodynamics

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