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Chemical Engineering - Chemical Engineering Thermodynamics

Exercise : Chemical Engineering Thermodynamics - Section 6
6.
A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then(where, Δ S1 and Δ SR are the entropy changes of the system for the irreversible and reversible processes respectively)
Δ S1 is always < Δ SR
Δ S1 is sometimes > Δ SR
Δ S1 is always > Δ SR
Δ S1 is always = Δ SR
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
What is the value of Joule-Thomson co-efficient for an ideal gas ?
+ve
-ve
0
∞
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the __________ mean of P1 and P2.(where, P1 and P2 are initial and final pressures respectively)
logarithmic
arithmetic
geometric
harmonic
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
y = specific heat ratio of an ideal gas is equal to
Cp/Cv
Cp/(CP-R)
1 + (R/CV)
all (a), (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Consider the process A & B shown in the figure given below

In this case, it is possilbe that
both the processes are adiabatic.
both the processes are isothermal.
process A is isothermal while B is adiabatic.
process A is adiabatic while B is isothermal.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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