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Engineering Thermodynamics

Engineering Thermodynamics
Reversed Joule cycle is known as

Rankine cycle
Bell-Coleman cycle
Stirling cycle
Carnot cycle

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Engineering Thermodynamics
According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) _________ with the change in pressure and temperature of the gas.

Change
None of these
Do not change
Both (A) and (B)

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Engineering Thermodynamics
First law of thermodynamics furnishes the relationship between

Heat, work and properties of the system
Various thermodynamic processes
Heat and work
Various properties of the system

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Engineering Thermodynamics
Boyle's law i.e. pV = constant is applicable to gases under

All ranges of pressures
Steady change of pressures
Only small range of pressures
High range of pressures

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Engineering Thermodynamics
In a free expansion process

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

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Engineering Thermodynamics
For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature)

T/P = constant, if v is kept constant
V/T = constant, if p is kept constant
P v = constant, if T is kept constant
P/T = constant, if v is kept constant

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MORE MCQ ON Engineering Thermodynamics

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