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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
A gas performs the maximum work, when it expands

Isobarically
Isothermally
Adiabatically
Non-uniformly

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Chemical Engineering Thermodynamics
Out of the following refrigration cycles, which one has the minimum COP (Co-efficient of performance)?

Air cycle
Ordinary vapour compression cycle
Carnot cycle
Vapour compression with a reversible expansion engine

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Chemical Engineering Thermodynamics
With increase in temperature, the internal energy of a substance

May increase or decrease; depends on the substance
Decreases
Increases
Remains unchanged

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Chemical Engineering Thermodynamics
Those solutions in which there is no volume change upon mixing the components in the liquid state and which, when diluted do not undergo any heat change (i.e. heat of dilution is zero), are called __________ solutions.

Real
Isotonic
Ideal
None of these

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Chemical Engineering Thermodynamics
A gas can be liquified by pressure alone only, when its temperature is __________ its critical temperature.

Less than
Equal to or higher than
More than
Less than or equal to

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Chemical Engineering Thermodynamics
For water at 300°C, it has a vapour pressure 8592.7 kPa and fugacity 6738.9 kPa Under these conditions, one mole of water in liquid phase has a volume of 25.28 cm³ and that in vapour phase in 391.1 cm³.Fugacity of water (in kPa) at 9000 kPa will be

9000
6738.9
6753.5
7058.3

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