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Engineering Thermodynamics

Engineering Thermodynamics
General gas equation is

PV=nRT
PV=KiRT
PV=mRT
PV = C

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Engineering Thermodynamics
Second law of thermodynamics defines

Entropy
Internal energy
Work
Heat

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Engineering Thermodynamics
The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is

8314 kgfm/mol °K
427 kgfm/mol °K
848 kgfm/mol °K
29.27 kgfm/mol °K

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Engineering Thermodynamics
The __________ states that change of internal energy of a perfect gas is directly proportional to the change of temperature.

Boyle's law
Joule's law
Gay-Lussac law
Charle's law

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Engineering Thermodynamics
Which law states that the specific heat of a gas remains constant at all temperatures and pressures?

Joule's Law
Regnault's Law
Charles' Law
Boyle's Law

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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

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

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