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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following has the minimum atomic mass?

Sulphur
Carbon
Oxygen
Nitrogen

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Engineering Thermodynamics
Which of the following is the lightest and most volatile liquid fuel?

Gasoline
None of these
Fuel oil
Kerosene

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Engineering Thermodynamics
Which of the following processes are thermodynamically reversible?

Constant volume and constant pressure
Free expansion
Isothermal and adiabatic
Throttling

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Engineering Thermodynamics
If a system after undergoing a series of processes, returns to the initial state then

Its entropy will change due to irreversibility
Process is executed in closed system cycle
Sum of heat and work transfer will be zero
Process is thermodynamically in equilibrium

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Engineering Thermodynamics
The standard value of atmospheric pressure taken at sea level is

All of these
1.013 bar
1013 × 102 N/m2
760 mm of Hg

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Engineering Thermodynamics
For the same compression ratio, the efficiency of Diesel cycle is __________ Otto cycle.

None of these
Greater than
Equal to
Less than

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MORE MCQ ON Engineering Thermodynamics

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