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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following processes is irreversible process?

Throttling
Isothermal
All of these
Adiabatic

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Engineering Thermodynamics
Energy can neither be created nor destroyed, but it can be transformed from one form to another. This statement is known as

Zeroth law of thermodynamics
Second law of thermodynamics
First law of thermodynamics
Kinetic theory of gases

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Engineering Thermodynamics
The value of gas constant (R) in S. I. units is

0.287 J/kgK
2.87 J/kgK
287 J/kgK
28.7 J/kgK

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Engineering Thermodynamics
The pressure exerted by an ideal gas is ________ of the kinetic energy of all the molecules contained in a unit volume of gas.

Two-third
Three-forth
One-third
One-half

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Engineering Thermodynamics
Petrol is distilled at

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

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Engineering Thermodynamics
An isothermal process is governed by

Charles' law
Gay-Lussac law
Boyle's law
Avogadro's law

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