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Engineering Thermodynamics

Engineering Thermodynamics
The ratio of root mean square velocity to average velocity of gas molecules at a particular temperature is

0.086
4.086
1.086
1.086

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Engineering Thermodynamics
An open cycle gas turbine works on

Joule's cycle
Stirling cycle
Carnot cycle
Otto cycle

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Engineering Thermodynamics
The oxygen atom is ________ times heavier than the hydrogen atom.

16
32
8
2

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Engineering Thermodynamics
In an isothermal process

There is no change in temperature
There is no change in internal energy
All of the listed here
There is no change in enthalpy

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Engineering Thermodynamics
If a system after undergoing a series of processes, returns to the initial state then

Process is executed in closed system cycle
Process is thermodynamically in equilibrium
Its entropy will change due to irreversibility
Sum of heat and work transfer will be zero

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Engineering Thermodynamics
Which of the following variables controls the physical properties of a perfect gas?

All of these
Temperature
Pressure
Volume

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MORE MCQ ON Engineering Thermodynamics

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