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Engineering Thermodynamics

Engineering Thermodynamics
The efficiency of Diesel cycle increases with

Increase in cut-off
Constant cut-off
None of these
Decrease in cut-off

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Engineering Thermodynamics
The entropy __________ in an irreversible cyclic process.

None of these
Remains constant
Decreases
Increases

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Engineering Thermodynamics
Which of the following is a reversible non-flow process?

Isobaric process
All of these
Isochoric process
Hyperbolic process

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Engineering Thermodynamics
The process is adiabatic, if the value of n in the equation pvn = C, is

One
∝
Zero
γ

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Engineering Thermodynamics
The reading of the pressure gauge fitted on a vessel is 25 bar. The atmospheric pressure is 1.03 bar and the value of 'g' is 9.81 m/s2. The absolute pressure in the vessel is

34.81 bar
26.03 bar
23.97 bar
25 bar

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Engineering Thermodynamics
If in the equation pvn = C, the value of n = ∝, then the process is called

Adiabatic process
Constant volume process
Isothermal process
Constant pressure process

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MORE MCQ ON Engineering Thermodynamics

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