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Engineering Thermodynamics

Engineering Thermodynamics
The ratio of molar specific heats for mono-atomic gas is

1.4
1.87
1.67
1

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Engineering Thermodynamics
The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will

Increase/decrease depending on application
Decrease
Remain unchanged
Increase

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Engineering Thermodynamics
The efficiency of Diesel cycle increases with

None of these
Constant cut-off
Increase in cut-off
Decrease in cut-off

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

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

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Engineering Thermodynamics
For same compression ratio and for same heat added

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

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Engineering Thermodynamics
First law of thermodynamics deals with

Conservation of mass
Conservation of heat
Conservation of energy
Conservation of momentum

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MORE MCQ ON Engineering Thermodynamics

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