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Chemical Engineering - Chemical Engineering Thermodynamics

Exercise : Chemical Engineering Thermodynamics - Section 6
31.
Gibbs free energy at constant pressure and temperature under equilibrium conditions is
∞
0
maximum
minimum
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
With increase in pressure (above atmospheric pressure), the Cp of a gas
increases
decreases
remains unchanged
first decreases and then increases
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
A change in state involving a decrease in entropy can be spontaneous, only if
it is exothermic.
it is isenthalpic.
it takes place isothermally.
it takes place at constant volume.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
Joule-Thomson co-efficient which is defined as, , changes sign at a temperature known as inversion temperature. The value of Joule-Thomson co-efficient at inversion temperature is
0
∞
+ve
-ve
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
__________ calorimeter is normally used for measuring the dryness fraction of steam, when it is very low.
Bucket
Throttling
Separating
A combination of separating & throttling
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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