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Engineering Thermodynamics

Engineering Thermodynamics
Minimum work in compressor is possible when the value of adiabatic index ‘n’ is equal to

1.35
0.75
1.27
1

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Engineering Thermodynamics
If a system after undergoing a series of processes, returns to the initial state then

Process is executed in closed system cycle
Process is thermodynamically in equilibrium
Its entropy will change due to irreversibility
Sum of heat and work transfer will be zero

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Engineering Thermodynamics
One watt is equal to

1 Nm/hr
1 N/m
1 Nm/s
1 kNm/hr

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

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

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Engineering Thermodynamics
Temperature of a gas is produced due to

Surface tension of molecules
Its heating value
Kinetic energy of molecules
Repulsion of molecules

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Engineering Thermodynamics
The fuel mostly used in cement industry and in metallurgical processes is

Coke
Bituminous coke
Wood charcoal
Pulverized coal

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MORE MCQ ON Engineering Thermodynamics

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