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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
What happens in a reversible adiabatic expansion process?

Cooling takes place
Temperature is constant
Pressure is constant
Heating takes place

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Chemical Engineering Thermodynamics
__________ functions are exemplified by heat and work.

None of these
State
Point
Path

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Chemical Engineering Thermodynamics
If atmospheric temperature and dew point are nearly equal, then the relative humidity is

Zero
Almost 100%
50%
Unpredictable

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Chemical Engineering Thermodynamics
Joule-Thomson co-efficient for a perfect gas is

Negative
Positive
Zero
None of these

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Chemical Engineering Thermodynamics
At absolute zero temperature, the __________ of the gas is zero.

Mass
Pressure
None of these
Volume

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Chemical Engineering Thermodynamics
The expression for entropy change, ΔS = n Cp . ln (T₂/T₁), is valid for the __________ of a substance.

Heating
Simultaneous pressure & temperature change
Cooling
Both B and C

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