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Engineering Thermodynamics

Engineering Thermodynamics
Characteristic gas constant of a gas is equal to

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

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Engineering Thermodynamics
The kinetic energy per kg molecule of any gas at absolute temperature T is equal to (where Ru = Universal gas constant)

3 Ru × T
Ru × T
2 Ru × T
1.5 Ru × T

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Engineering Thermodynamics
For same compression ratio and for same heat added

Otto cycle is more efficient than Diesel cycle
Both Otto and Diesel cycles are equally efficient
Efficiency depends on other factors
Diesel cycle is more efficient than Otto cycle

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Engineering Thermodynamics
The measurement of a thermodynamic property known as temperature is based on

Second law of thermodynamics
Zeroth law of thermodynamics
First law of thermodynamics
None of these

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Engineering Thermodynamics
The value of 1 mm of Hg is equal to

1.333 N/m2
133.3 N/m2
1333 N/m2
13.33 N/m2

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Engineering Thermodynamics
Boyle's law i.e. pV = constant is applicable to gases under

High range of pressures
All ranges of pressures
Steady change of pressures
Only small range of pressures

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MORE MCQ ON Engineering Thermodynamics

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