Chemical Engineering - Chemical Engineering Thermodynamics - Discussion

Discussion Forum : Chemical Engineering Thermodynamics - Section 1 (Q.No. 1)
1.
Maximum work that could be secured by expanding the gas over a given pressure range is the __________ work.
isothermal
adiabatic
isentropic
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
24 comments Page 3 of 3.

Ashish patel said:   7 years ago
Answer should be A.

As we know that, the here expansion process is occurring. And also it is a closed process. So from graph of P-V you can see the maximum area covered is by ISOTHERMAL LINE.
(1)

Anupam said:   7 years ago
The graph under the PV diagram for closed system gives the work. In the expansion region the graph of isotherm is above the graph of adiabatic curve, as the slope of adiabatic curve (gamma) is greater than that of isotherm curve. So the area under the isotherm is larger.
(6)

Manjit Gangwar said:   7 years ago
Only isothermal process exists in this question due to expansion process of a gas over a given pressure.
(1)

Deepak Dharmveer said:   4 years ago
Isothermal is the correct answer.
(2)


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