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Engineering Thermodynamics

Engineering Thermodynamics
Characteristic gas constant of a gas is equal to

Cp + Cv
Cp /Cv
Cv /Cp
Cp - Cv

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Engineering Thermodynamics
1 kgf/cm² is equal to

Zero mm Hg
1 mm Hg
760 mm Hg
735.6 mm Hg

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Engineering Thermodynamics
The compression ratio for Diesel engines is

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

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Engineering Thermodynamics
The reading of the pressure gauge fitted on a vessel is 25 bar. The atmospheric pressure is 1.03 bar and the value of 'g' is 9.81 m/s2. The absolute pressure in the vessel is

34.81 bar
25 bar
23.97 bar
26.03 bar

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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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Engineering Thermodynamics
The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will

Increase
Increase/decrease depending on application
Decrease
Remain unchanged

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MORE MCQ ON Engineering Thermodynamics

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