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Engineering Thermodynamics

Engineering Thermodynamics
Heat and work are

System properties
Intensive properties
Path functions
Point functions

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Engineering Thermodynamics
The entropy __________ in an irreversible cyclic process.

Remains constant
None of these
Decreases
Increases

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Engineering Thermodynamics
The compression ratio is the ratio of

Swept volume to clearance volume
Total volume to clearance volume
Total volume to swept volume
Swept volume to total volume

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Engineering Thermodynamics
When a gas is heated, change takes place in

Volume
All of the listed here
Temperature
Pressure

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Engineering Thermodynamics
The amount of heat generated per kg of fuel is known as

Lower calorific value
Heat energy
Higher calorific value
Calorific value

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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 + rγ - 1
1 - rγ - 1
1 - (1/ rγ - 1)

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