Engineering Thermodynamics
The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume, is called

Specific heat at constant pressure
Specific heat at constant volume
None of these
Kilo Joule

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Engineering Thermodynamics
Gases have

No value of specific heat
Two values of specific heat
Under some conditions one value and sometimes two values of specific heat
Only one value of specific heat

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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

Full distillation
Cracking
Fractional distillation
Carbonisation

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