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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is

Zero
Negative
Positive
None of these

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Chemical Engineering Thermodynamics
COP of a refrigerator drawing 1 kW of power per ton of refrigeration is about

3.5
4.5
0.5
8.5

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Chemical Engineering Thermodynamics
For any system, what is the minimum number of degrees of freedom?

2
1
3
0

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Chemical Engineering Thermodynamics
In a turbine, the fluid expands almost

Isothermally
Isobarically
Adiabatically
None of these

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Chemical Engineering Thermodynamics
A solid is transformed into vapour without going to the liquid phase at

Below triple point
Always
Triple point
Boiling point

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Chemical Engineering Thermodynamics
Dryness fraction of wet steam is defined as the ratio of mass of vapour in the mixture to the mass of mixture __________ calorimeter is not used for measuring the dryness fraction of steam.

Separating
Bucket
Throttling
Bomb

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