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Engineering Thermodynamics

Engineering Thermodynamics
The following cycle is used for air craft refrigeration

Brayton cycle
Joule cycle
Reversed Brayton cycle
Carnot cycle

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Engineering Thermodynamics
Compressed air coming out from a punctured football

Becomes hotter
May become hotter or cooler depending upon the humidity of the surrounding air
Becomes cooler
Remains at the same temperature

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Engineering Thermodynamics
A process, in which the temperature of the working substance remains constant during its expansion or compression, is called

Adiabatic process
Polytropic process
Isothermal process
Hyperbolic process

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Engineering Thermodynamics
The work ratio of simple gas turbine cycle depends upon

Maximum cycle temperature
Pressure ratio
All of these
Minimum cycle temperature

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

4.086
0.086
1.086
1.086

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Engineering Thermodynamics
Kinetic theory of gases assumes that the collisions between the molecules are

Partly inelastic
Perfectly elastic
Perfectly inelastic
Partly elastic

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MORE MCQ ON Engineering Thermodynamics

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