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Engineering Thermodynamics

Engineering Thermodynamics
Which law states that the specific heat of a gas remains constant at all temperatures and pressures?

Joule's Law
Boyle's Law
Regnault's Law
Charles' Law

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Engineering Thermodynamics
The gas constant (R) is equal to the

Difference of two specific heats
Product of two specific heats
Ratio of two specific heats
Sum of two specific heats

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Engineering Thermodynamics
Compressed air coming out from a punctured football

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

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Engineering Thermodynamics
In a steady flow process, the ratio of

All of these
Mass flow at inlet and outlet is same
Work transfer is constant
Heat transfer is constant

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Engineering Thermodynamics
A cycle consisting of ___ and two isothermal processes is known as Stirling cycle.

Two constant pressure
Two constant volume
Two isentropic
One constant pressure, one constant volume

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Engineering Thermodynamics
The efficiency of a Carnot engine depends on

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

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MORE MCQ ON Engineering Thermodynamics

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