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Engineering Thermodynamics

Engineering Thermodynamics
On weight basis, air contains following parts of oxygen

21
73
25
23

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Engineering Thermodynamics
The absolute zero pressure will be

At sea level
At the center of the earth
At the temperature of - 273 K
When molecular momentum of the system becomes zero

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Engineering Thermodynamics
The efficiency of a Carnot engine depends on

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

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Engineering Thermodynamics
Carnot cycle has maximum efficiency for

Irreversible engine
Reversible engine
Petrol engine
Diesel engine

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

Temperature
Volume
All of these
Pressure

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Engineering Thermodynamics
Characteristic gas constant of a gas is equal to

Cv /Cp
Cp /Cv
Cp - Cv
Cp + Cv

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MORE MCQ ON Engineering Thermodynamics

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