This set of Separation Processes Multiple Choice Questions & Answers (MCQs) focuses on “Ideal gas and Ideal Liquid-Solution Model”.
1. 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. How is the molar volume calculated?
a) RT/V
b) RT/n
c) RT/P
d) RT/np
View Answer
Explanation: Using ideal gas equation, the molar volume is calculated.
3. 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. 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. 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. The liquid enthalpy is calculated using:
a)
b)
c)
d)
View Answer
7. How is the liquid mass density calculated?
a)
b)
c)
d)
View Answer
8. 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.
9. 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.
Sanfoundry Global Education & Learning Series – Separation Processes.
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