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Engineering Thermodynamics

Engineering Thermodynamics
For reversible adiabatic process, change in entropy is

Maximum
Zero
Minimum
Negative

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

Increases
None of these
Decreases
Remains constant

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Engineering Thermodynamics
If a certain amount of dry ice is mixed with same amount of water at 80°C, the final temperature of mixture will be

20°C
40°C
80°C
0°C

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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.

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

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Engineering Thermodynamics
During which of the following process does heat rejection takes place in Carnot cycle?

Isothermal compression
Isentropic expansion
Isentropic compression
Isothermal expansion

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Engineering Thermodynamics
Characteristic gas constant of a gas is equal to

Cv /Cp
Cp /Cv
Cp - Cv
Cp + Cv

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MORE MCQ ON Engineering Thermodynamics

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