Engineering Thermodynamics
The behavior of a perfect gas, undergoing any change in the variables which control physical properties, is governed by

Boyle's law
All of the listed here
Gay-Lussac law
Charles' law

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Engineering Thermodynamics
Which of the following is the correct statement?

All the reversible and irreversible engines have the same efficiency.
All the reversible engines have the same efficiency.
Irreversible engines have maximum efficiency.
All engines are designed as reversible in order to obtain maximum efficiency.

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Engineering Thermodynamics
The distillation carried out in such a way that the liquid with the lowest boiling point is first evaporated and re-condensed, then the liquid with the next higher boiling point is then evaporated and re-condensed, and so on until all the available liquid fuels are separately recovered in the sequence of their boiling points. Such a process is called

Cracking
Full distillation
Carbonisation
Fractional distillation

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