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ENGINEERING THERMODYNAMICS

Engineering Thermodynamics
Reversed Joule cycle is known as

Bell-Coleman cycle
Rankine cycle
Carnot cycle
Stirling cycle

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Engineering Thermodynamics
The same volume of all gases would represent their

Specific weights
Molecular weights
Gas characteristic constants
Densities

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Engineering Thermodynamics
If both Stirling and Carnot cycles operate within the same temperature limits, then efficiency of Stirling cycle as compared to Carnot cycle

More
Depends on other factors
Less
Equal

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Engineering Thermodynamics
The compression ratio for Diesel engines is

5 to 8
20 to 30
15 to 20
3 to 6

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Engineering Thermodynamics
The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle)

1 - (T1/T2)
1 + (T2/T1)
(T1/T2) - 1
1 - (T2/T1)

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