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Engineering Thermodynamics

Engineering Thermodynamics
Entropy change depends on

Thermodynamic state
Mass transfer
Change of temperature
Heat transfer

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Engineering Thermodynamics
Molecular volume of any perfect gas at 600 × 103 N/m² and 27°C will be

41.7 m3/kg mol
4.17 m3/kg mol
0.15 m3/kg mol
400 m3/kg mol

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Engineering Thermodynamics
The value of gas constant (R) in S. I. units is

287 J/kgK
0.287 J/kgK
2.87 J/kgK
28.7 J/kgK

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

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

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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

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

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Engineering Thermodynamics
No liquid can exist as liquid at

Centre of earth
273°K
Vacuum
Zero pressure

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MORE MCQ ON Engineering Thermodynamics

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