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Engineering Thermodynamics

Engineering Thermodynamics
Carnot cycle has maximum efficiency for

Petrol engine
Reversible engine
Irreversible engine
Diesel engine

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Engineering Thermodynamics
The same volume of all gases would represent their

Gas characteristic constants
Molecular weights
Specific weights
Densities

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Engineering Thermodynamics
The heat supplied to the gas at constant volume is (where m = Mass of gas, cv = Specific heat at constant volume, cp = Specific heat at constant pressure, T2 - T1 = Rise in temperature, and R = Gas constant)

mR (T2 - T1)
mcv (T2 - T1)
mcp (T2 + T1)
mcp (T2 - T1)

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Engineering Thermodynamics
Which of the following is the lightest and most volatile liquid fuel?

None of these
Kerosene
Gasoline
Fuel oil

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Engineering Thermodynamics
Which law states that the internal energy of a gas is a function of temperature?

Joule's law
Boyle's law
There is no such law
Charles' law

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Engineering Thermodynamics
The hard coke is obtained when carbonization of coal is carried out at

500° to 700°C
900° to 1100°C
300° to 500°C
700° to 900°C

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