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Engineering Thermodynamics

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

Calorific value
Heat energy
Lower calorific value
Higher calorific value

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Engineering Thermodynamics
When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel, the process is known as __________ of fuel.

Carbonization
None of these
Atomization
Combustion

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Engineering Thermodynamics
If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as

Free expansion
Adiabatic expansion
Throttling
Hyperbolic expansion

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Engineering Thermodynamics
The efficiency of Diesel cycle approaches to Otto cycle efficiency when

Cut-off is constant
Cut-off is decreased
Cut-off is zero
Cut-off is increased

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Engineering Thermodynamics
The state of a substance whose evaporation from its liquid state is complete, is known as

Perfect gas
Air
Steam
Vapour

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Engineering Thermodynamics
Characteristic gas constant of a gas is equal to

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

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MORE MCQ ON Engineering Thermodynamics

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