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Engineering Thermodynamics

Engineering Thermodynamics
Petrol is distilled at

65° to 220°C
345° to 470°C
220° to 345°C
470° to 550°C

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

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

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Engineering Thermodynamics
According to Gay Lussac’s law for a perfect gas, the absolute pressure of given mass varies directly as

Volume, if temperature is kept constant
None of these
Absolute temperature, if volume is kept constant
Temperature

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Engineering Thermodynamics
In a free expansion process

Both (A) and (B) above
Work done is zero but heat increases
Work done is zero
Heat transfer is zero

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Engineering Thermodynamics
Kelvin Planck's law deals with

Conservation of work
Conversion of heat into work
Conservation of heat
Conversion of work into heat

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Engineering Thermodynamics
The following cycle is used for air craft refrigeration

Brayton cycle
Joule cycle
Carnot cycle
Reversed Brayton cycle

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MORE MCQ ON Engineering Thermodynamics

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