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Gibbs Phase Rule - Materials Science MCQ Questions

Gibbs Phase Rule MCQs : Here you will find MCQ Questions related to "Gibbs Phase Rule" in Materials Science. These Gibbs Phase Rule MCQ Questions Will help you to improve your Materials Science knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations




Question 1

What is the formulation for Gibbs Phase Rule?

A. P - F = C + 2
B. P + F = C + 1
C. P + F = C + 2
D. P + F = C - 1

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Question 2

Does Gibb's Phase Rule provides the theoretical foundation, based in thermodynamics?

A. Yes
B. No
C. Can be yes or no
D. Can not say

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Question 3

In Gibbs phase rule, P stands for?

A. P is the minimum number of chemical components required to constitute all the phases in the system
B. P is the number of degrees of freedom in the system
C. P is the number of phases in the system
D. None of the above

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Question 4

In which equilibria, in which either P or T can be changed independently?

A. Invariant
B. Univariant
C. Divariant
D. All of the above

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Question 5

Invariant equilibria, in which neither P or T can be changed; on a phase diagram, this is represented as a singular invariant point.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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Question 6

What is Gibbs phase rule for metallurgical system?

A. F = C – 1 – P
B. P + F = C – 2
C. P + F = C + 2
D. F = C + 1 – P

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Question 7

The degree of freedom at a triple point in the unary diagram for water is ________

A. 3
B. 2
C. 1
D. 0

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Question 8

What is degree of freedom when two phases co – exist?

A. 0
B. 1
C. 2
D. 3

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Question 9

For single component system when degree of freedom is 1(one) then number of phases _______

A. 0
B. 2
C. 1
D. 3

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Question 10

Divariant equilibria, in which both P and T are free to change independently without changing the state of the system

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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