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Engineering Thermodynamics

Engineering Thermodynamics
A perfect gas at 27°C is heated at constant pressure till its volume is double. The final temperature is

327°C
54°C
108°C
654°C

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

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

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Engineering Thermodynamics
For the same compression ratio, the efficiency of dual combustion cycle is

Greater than Diesel cycle
Greater than Diesel cycle and less than Otto cycle
Less than Diesel cycle and greater than Otto cycle
Less than Diesel cycle

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Engineering Thermodynamics
The efficiency of Joule cycle is

Equal to Carnot cycle
Greater than Carnot cycle
None of these
Less than Carnot 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
Thermodynamic cycle
Thermodynamic process
None of the listed here

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Engineering Thermodynamics
The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume, is called

Kilo Joule
None of these
Specific heat at constant volume
Specific heat at constant pressure

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MORE MCQ ON Engineering Thermodynamics

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