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Chemical Engineering - Chemical Engineering Thermodynamics

Exercise : Chemical Engineering Thermodynamics - Section 7
31.
For a cyclic process, a fixed ratio between heat and work
always exists
may exist
never exists
is difficult to predict
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Which of the following is not a common refrigerant ?
Freon-12
Ethylene
Ammonia
Carbon dioxide
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
The most important application of distribution law is in
evaporation
liquid extraction
drying
distillation
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
Pick out the correct statement.
Entropy and enthalpy are path functions.
In a closed system, the energy can be exchanged with the surrounding, while. matter can not be exchanged.
All the natural processes are reversible in nature.
Work is a state function.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
Air-refrigeration cycle
is the most efficient of all refrigeration cycles.
has very low efficiency.
requires relatively large quantities of air to achieve a significant amount of refrigeration.
both (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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