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Engineering Thermodynamics

Engineering Thermodynamics
Work done is zero for the following process

Free expansion
All of the listed here
Throttling
Constant volume

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Engineering Thermodynamics
A cycle consisting of two constant pressure and two isentropic processes is known as

None of the listed here
Stirling cycle
Carnot cycle
Otto cycle

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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
None of the listed here
Thermodynamic process
Thermodynamic cycle

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Engineering Thermodynamics
The efficiency of Carnot cycle depends upon

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

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Engineering Thermodynamics
The absolute zero pressure will be

At sea level
When molecular momentum of the system becomes zero
At the temperature of - 273 K
At the center of the earth

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Engineering Thermodynamics
The hard coke is obtained when carbonization of coal is carried out at

700° to 900°C
900° to 1100°C
500° to 700°C
300° to 500°C

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