Engineering Questions with Answers - Multiple Choice Questions
Separation Processes MCQ’s – Ideal gas and Ideal Liquid-Solution Model
1 - Question
The ideal equations apply only till what pressure?
a) 305kPa
b) 315kPa
c) 325kPa
d) 345kPa
View Answer
Explanation: The ideal equation can be applied only till 345kPa for components of similar molecular structure.
2 - Question
How is the molar volume calculated?
a) RT/V
b) RT/n
c) RT/P
d) RT/np
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Explanation: Using ideal gas equation, the molar volume is calculated.
3 - Question
If the temperature of vapor is 400K and pressure is 20000 Pascal, what is the molar volume?
a) 0.15m3
b) 0.16 m3
c) 10 m3
d) 20 m3
View Answer
Explanation: ϑv = RT/P.
4 - Question
Which equation is used to calculate liquid molar volume?
a) M/dL
b) M/P
c) M/RT
d) RT/P
View Answer
Explanation: The equation M/dL is used.
5 - Question
Which equation is used for non-ideal solutions at ambient pressure?
a) K i = ϕ iL / ϕ iV
b) K i = γ iL ϕiL/ ϕ iV
c) K i = P i s /P
d) K i =γ iL P i s /P
View Answer
Explanation: Modified Roult’s law is used here.
6 - Question
If the temperature of vapor is 300K and pressure is 1atm , what is molar volume?
a) 0.04m3
b) 0.025 m3
c) 0.113 m3
d) 0.456 m3
View Answer
Explanation: ϑv = RT/P.
7 - Question
If the temperature of vapor is 100 oC and pressure is 2 atm, what is molar volume?
a) 0.23 m3
b) 0.34 m3
c) 0.015 m3
d) 0.234 m3
View Answer
Explanation: ϑv = RT/P.