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Engineering Thermodynamics

Engineering Thermodynamics
The throttling process is __________ process.

Reversible or irreversible
Reversible
Irreversible
None of these

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

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

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Engineering Thermodynamics
The efficiency of Carnot cycle is maximum for

Steam engine
Petrol engine
Reversible engine
Gas engine

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

Isobaric process
Hyperbolic process
All of these
Isochoric process

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Engineering Thermodynamics
Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits?

O₂, N₂, H₂, air
SO₂, NH₃, CO₂, moisture
O₂, N₂, steam, CO₂
O₂, N₂, water vapour

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Engineering Thermodynamics
Temperature of a gas is produced due to

Its heating value
Kinetic energy of molecules
Surface tension of molecules
Repulsion of molecules

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