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Engineering Thermodynamics

Engineering Thermodynamics
Change in enthalpy of a system is the heat supplied at

Constant volume
Constant entropy
Constant pressure
Constant temperature

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Engineering Thermodynamics
The efficiency of the dual combustion cycle for the same compression ratio is __________ Diesel cycle.

Equal to
Greater than
Less than
None of these

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Engineering Thermodynamics
The volumetric or molar specific heat at constant pressure is the product of

Molecular mass of the gas and the gas constant
None of the listed here
Atomic mass of the gas and the gas constant
Molecular mass of the gas and the specific heat at constant volume

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Engineering Thermodynamics
The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant)

pv = RTm
pvm = C
pv = (RT)m
pv = mRT

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Engineering Thermodynamics
One kg of carbon monoxide requires __________ kg of oxygen to produce 11/7 kg of carbon dioxide gas.

11/4
4/7
All of the listed here
9/7

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Engineering Thermodynamics
When coal is first dried and then crushed to a fine powder by pulverizing machine, the resulting fuel is called

Wood charcoal
Briquetted coal
Bituminous coal
None of these

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MORE MCQ ON Engineering Thermodynamics

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