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Engineering Thermodynamics

Engineering Thermodynamics
The heat flows from a cold body to a hot body with the aid of an external source. This statement is given by

Kelvin
Joule
Clausis
Gay-Lussac

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Engineering Thermodynamics
The efficiency of Diesel cycle approaches to Otto cycle efficiency when

Cut-off is increased
Cut-off is constant
Cut-off is zero
Cut-off is decreased

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Engineering Thermodynamics
One molecule of oxygen is __________ times heavier than the hydrogen atom.

16
12
32
14

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Engineering Thermodynamics
The entropy __________ in an irreversible cyclic process.

Decreases
Increases
Remains constant
None of these

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

Isobaric process
Hyperbolic process
Isochoric process
All of these

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Engineering Thermodynamics
The efficiency of Diesel cycle depends upon

Pressure ratio
Cut-off ratio and compression ratio
Compression ratio
Temperature limits

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MORE MCQ ON Engineering Thermodynamics

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