This set of Chemical Process Calculation Multiple Choice Questions & Answers (MCQs) focuses on “Degrees of Freedom – II”.

1. For a given system, number of variables is 6 and number of equations is 4. What is the number of degrees of freedom?

a) 2

b) 4

c) 6

d) 8

View Answer

Explanation: Number of degrees of freedom = 6 – 4 = 2.

2. For a given system, number of variables is x and number of equations is y. What is the number of degrees of freedom?

a) x + y

b) x – y

c) x * y

d) x / y

View Answer

Explanation: Number of degrees of freedom = x – y.

3. Degrees of freedom calculation treat ____________ variables.

a) Intensive

b) Extensive

c) Both Intensive and Extensive

d) None of the mentioned

View Answer

Explanation: Degrees of freedom calculation treat intensive variables.

4. Work cannot be treated as a variable for degrees of freedom calculation. The given statement is

a) Correct

b) Incorrect

c) Depends on the type of work

d) None of the mentioned

View Answer

Explanation: Work is an intensive variable, it can be treated as a variable for degrees of freedom calculation.

5. Entropy cannot be treated as a variable for degrees of freedom calculation. The statement is

a) Correct

b) Incorrect

c) Depends on the type of work

d) None of the mentioned

View Answer

Explanation: Entropy is an extensive variable, it cannot be treated as a variable for degrees of freedom calculation.

6. Number of variables associated with a process stream, if the number of species in the stream are 3?

a) 1

b) 3

c) 5

d) 7

View Answer

Explanation: Nv = Nsp + 2.

7. Number of compositions associated with a process stream, if the number of species in the stream are 5?

a) 1

b) 2

c) 3

d) 4

View Answer

Explanation: Number of compositions = Nsp – 1.

8. Number of variables associated with a process stream if the number of species in the stream are 10?

a) 10

b) 12

c) 15

d) 17

View Answer

Explanation: Nv = Nsp + 2.

9. What are the number of equations associated with 2 process stream, if the number of species in the stream are 5?

a) 7

b) 14

c) 21

d) 28

View Answer

Explanation: Number of equations = 2(5+ 2) = 14.

10. Number of equations associated with 6 process stream, if the number of species in the stream are 4?

a) 6

b) 24

c) 36

d) 72

View Answer

Explanation: Number of equations = 4(2 + 2) = 12.

**Sanfoundry Global Education & Learning Series – Chemical Process Calculation.**

To practice all areas of Chemical Process Calculation, __here is complete set of 1000+ Multiple Choice Questions and Answers__.