This set of Basic Chemical Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Gibbs Phase Rule”.
1. What is the degree of freedom of a system with 2 phases and 1 component?
a) 1
b) 2
c) 3
d) 4
View answer
Explanation: F = 2 – 2 + 1 = 1.
2. What is the number of phases in a system with 2 degrees of freedom and 2 components?
a) 1
b) 2
c) 3
d) 4
View answer
Explanation: P = 2 – 2 + 2 = 2.
3. What is the number of components in a system with 3 degrees of freedom and 2 phases?
a) 1
b) 2
c) 3
d) 4
View answer
Explanation: C = 2 – 2 + 3 = 3.
4. What is the degree of freedom of a system with 3 phases and 5 components?
a) 1
b) 2
c) 3
d) 4
View answer
Explanation: F = 2 – 3 + 5 = 6.
5. What is the degrees of freedom of a system with 5 phases and 5 components?
a) 1
b) 2
c) 3
d) 4
View answer
Explanation: F = 2 – 5 + 5 = 2.
6. What is the degrees of freedom of a system with pure water?
a) 2
b) 4
c) 5
d) 7
View answer
Explanation: F = 2 – 1 + 1 = 2.
7. What is the degrees of freedom of a system with a mixture of water and ice?
a) 1
b) 2
c) 3
d) 4
View answer
Explanation: F = 2 – 2 + 1 = 1.
8. What is the degrees of freedom of a system with a mixture of water, liquid benzene and oxygen?
a) 1
b) 2
c) 3
d) 4
View answer
Explanation: F = 2 – 2 + 3 = 3.
9. What is the degrees of freedom of a system with a mixture of ice, water and neon?
a) 1
b) 2
c) 3
d) 4
View answer
Explanation: F = 2 – 3 + 2 = 3.
10. What is the degrees of freedom of a system with a mixture of copper pyrites, liquid benzene and helium?
a) 1
b) 2
c) 3
d) 4
View answer
Explanation: F = 2 – 3 + 3 = 2.
11. What is the degree of freedom of a gas mixture composed of CO2, SO2, SO3, CH4, H2CO3?
a) 2
b) 3
c) 5
d) 7
View answer
Explanation: F = 2 – 1 + 4 = 5.
12. What is the degree of freedom of a gas mixture composed of O2, H2O and H2O2?
a) 1
b) 2
c) 3
d) 4
View answer
Explanation: F = 2 – 1 + 2 = 3.
13. What is the degree of freedom of a mixture composed Liquid H2O, solid Br2 and gaseous CO2, NO2?
a) 1
b) 2
c) 3
d) 4
View answer
Explanation: F = 2 – 3 + 4 = 3.
14. What is the degree of freedom of a mixture composed of liquid O2, gaseous H2 and ice?
a) 1
b) 2
c) 3
d) 4
View answer
Explanation: F = 2 – 3 + 2 = 1.
15. What is the degree of freedom of a gaseous mixture composed of CH4, CO2, H2CO3, H2O and H2O2?
a) 1
b) 2
c) 3
d) 4
View answer
Explanation: F = 2 – 1 + 3 = 4.
Sanfoundry Global Education & Learning Series – Basic Chemical Engineering.
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