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Engineering Thermodynamics

Engineering Thermodynamics
If both Stirling and Carnot cycles operate within the same temperature limits, then efficiency of Stirling cycle as compared to Carnot cycle

Less
Depends on other factors
Equal
More

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Engineering Thermodynamics
For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be

Infinity
Minimum
Zero
Maximum

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Engineering Thermodynamics
Absolute zero pressure will occur

At sea level
When molecular momentum of the system becomes zero
At a temperature of 273°K
Under vacuum conditions

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Engineering Thermodynamics
The efficiency of Diesel cycle increases with

None of these
Increase in cut-off
Constant cut-off
Decrease in cut-off

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Engineering Thermodynamics
Addition of heat at constant pressure to a gas results in

Raising its temperature and doing external work
Raising its volume
Raising its pressure
Raising its temperature

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Engineering Thermodynamics
The following cycle is used for air craft refrigeration

Carnot cycle
Brayton cycle
Joule cycle
Reversed Brayton cycle

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