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Engineering Thermodynamics

Engineering Thermodynamics
The efficiency of Diesel cycle depends upon

Cut-off ratio and compression ratio
Compression ratio
Pressure ratio
Temperature limits

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Engineering Thermodynamics
The statement that molecular weights of all gases occupy the same volume is known as

Law of thermodynamics
Dalton's law
Gas law
Avogadro's hypothesis

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Engineering Thermodynamics
In S. I. units, the value of the universal gas constant is

831.4 J/kg mole-K
8314 J/kg mole-K
83.14 J/kg mole-K
8.314 J/kg mole-K

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Engineering Thermodynamics
In an isothermal process

There is no change in temperature
There is no change in enthalpy
There is no change in internal energy
All of the listed here

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Engineering Thermodynamics
In an isothermal process, the internal energy of gas molecules

Decreases
Remain constant
Increases
May increase/decrease depending on the properties of gas

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Engineering Thermodynamics
For the constant pressure and heat input, the air standard efficiency of gas power cycle is in the order

Diesel cycle, Otto cycle, Dual cycle
Dual cycle, Diesel cycle, Otto cycle
Dual cycle, Otto cycle, Diesel cycle
Otto cycle, Diesel cycle, Dual cycle

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MORE MCQ ON Engineering Thermodynamics

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