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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following items is not a path function?

Heat
Thermal conductivity
Kinetic energy
Work

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

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

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Engineering Thermodynamics
In an isothermal process, the internal energy

Decreases
Increases
First increases and then decreases
Remain constant

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

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

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Engineering Thermodynamics
A cycle consisting of ___ and two isothermal processes is known as Stirling cycle.

One constant pressure, one constant volume
Two constant volume
Two constant pressure
Two isentropic

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Engineering Thermodynamics
Isochoric process is one in which

Free expansion takes place
Very little mechanical work is done by the system
All parameters remain constant
No mechanical work is done by the system

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MORE MCQ ON Engineering Thermodynamics

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