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Engineering Thermodynamics

Engineering Thermodynamics
For reversible adiabatic process, change in entropy is

Minimum
Maximum
Zero
Negative

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Engineering Thermodynamics
The sum of internal energy (U) and the product of pressure and volume (p.v) is known as

Work done
Enthalpy
Entropy
Power

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Engineering Thermodynamics
The atomic mass of nitrogen is __________ oxygen.

Equal to
More than
None of these
Less than

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Engineering Thermodynamics
An adiabatic wall is one which

Discourages thermal interaction
Permits thermal interaction
Prevents thermal interaction
Encourages thermal interaction

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Engineering Thermodynamics
Carnot cycle efficiency is maximum when

Initial temperature is 0°K
Final temperature is 0°K
Difference between initial and final temperature is 0°K
Final temperature is 0°C

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Engineering Thermodynamics
A perfect gas at 27°C is heated at constant pressure till its volume is double. The final temperature is

654°C
108°C
54°C
327°C

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MORE MCQ ON Engineering Thermodynamics

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