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Engineering Thermodynamics

Engineering Thermodynamics
The atomic mass of oxygen is

16
18
14
121

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Engineering Thermodynamics
The ratio of molar specific heats for mono-atomic gas is

1
1.67
1.87
1.4

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Engineering Thermodynamics
The efficiency of a Carnot engine depends on

Size of engine
Working substance
Temperatures of source and sink
Design of engine

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Engineering Thermodynamics
Kinetic energy of the molecules in terms of absolute temperature (T) is proportional to

J²
T
Vr
J

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Engineering Thermodynamics
Isochoric process is one in which

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

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Engineering Thermodynamics
The main cause for the irreversibility is

Mechanical and fluid friction
Heat transfer with a finite temperature difference
Unrestricted expansion
All of these

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MORE MCQ ON Engineering Thermodynamics

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