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Engineering Thermodynamics

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

0.75
1.27
1
1.35

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

Bituminous coke
Coke
Wood charcoal
Pulverized coal

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Engineering Thermodynamics
For the same compression ratio, the efficiency of Diesel cycle is __________ Otto cycle.

Greater than
None of these
Equal to
Less than

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Engineering Thermodynamics
When a system changes its state from one equilibrium state to another equilibrium state, then the path of successive states through which the system has passed, is known as

Thermodynamic law
Thermodynamic process
None of the listed here
Thermodynamic cycle

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

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

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

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