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Engineering Thermodynamics

Engineering Thermodynamics
The efficiency of Diesel cycle depends upon

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

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Engineering Thermodynamics
The efficiency of a Carnot engine depends on

Working substance
Temperatures of source and sink
Design of engine
Size of engine

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Engineering Thermodynamics
The entropy of water at 0°C is assumed to be

-1
2
1

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Engineering Thermodynamics
The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats)

1 - (1/ rγ - 1)
1 + (1/ rγ - 1)
1 + rγ - 1
1 - rγ - 1

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Engineering Thermodynamics
When a gas is heated at constant pressure

Its temperature will increase
Neither temperature not volume will increase
Its volume will increase
Both temperature and volume will increase

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Engineering Thermodynamics
Which of the following is an intensive property of a thermodynamic system?

Mass
Energy
Volume
Temperature

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MORE MCQ ON Engineering Thermodynamics

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