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Engineering Thermodynamics

Engineering Thermodynamics
The efficiency of a Carnot engine depends on

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

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Engineering Thermodynamics
The more effective way of increasing efficiency of Carnot engine is to

Decrease higher temperature
Increase higher temperature
Increase lower temperature
Decrease lower temperature

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Engineering Thermodynamics
First law of thermodynamics deals with

Conservation of mass
Conservation of energy
Conservation of heat
Conservation of momentum

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Engineering Thermodynamics
The energy of molecular motion appears as

Friction
Heat
Potential energy
Surface tension

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Engineering Thermodynamics
One kg of carbon monoxide requires 4/7 kg of oxygen and produces

11/7 kg of carbon dioxide gas
8/3 kg of carbon monoxide gas
11/3 kg of carbon dioxide gas
7/3 kg of carbon monoxide gas

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Engineering Thermodynamics
The specific heat of air increases with increase in

Variation of its constituents
Both pressure and temperature
Pressure
Temperature

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MORE MCQ ON Engineering Thermodynamics

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