Heat Transfer Operations Mock Test 2

10%

Question 1 of 10

1. What are the ways can tubes be arranged in a shell and tube HE?

Hairpin arrangement & Half parallel flow arrangement

Hairpin arrangement & Full parallel flow arrangement

Full parallel flow arrangement & Half parallel flow arrangement

Half parallel flow arrangement & Semi parallel flow arrangement

Question 1 of 10

Question 2 of 10

2. What are the axes of the F-curve?

Y - Correction Factor, X - R

Y - Correction Factor, X - P

X - Correction Factor, Y - R

X - Correction Factor, Y – mean of P and R

Question 2 of 10

Question 3 of 10

3. If we are given F value and R value, which is the only one variable we cannot determine by this information?

Temperature of inlet and outlet of shell

Temperature of inlet and outlet of shell and tube

Value of P

Temperature of inlet and outlet of tube

Question 3 of 10

Question 4 of 10

4. Which of the following is the correct flow area for the shell side?

heat-transfer-operations-questions-answers-effective-diameter-shell-side-q10b

heat-transfer-operations-questions-answers-effective-diameter-shell-side-q10c

heat-transfer-operations-questions-answers-effective-diameter-shell-side-q10d

heat-transfer-operations-questions-answers-effective-diameter-shell-side-q10a

Question 4 of 10

Question 5 of 10

5. What is the equivalent diameter of a triangular pitch shell and tube HE if pitch is 40mm, the outer diameter of the tubes is 30mm?

24.1 mm

26.2 mm

28.4 mm

29.4 mm

Question 5 of 10

Question 6 of 10

6. Which of the following has the maximum Heat transfer rate for a Double Pipe Heat Exchanger?

Split Flow

Cross Flow

Parallel Flow

Counter-flow

Question 6 of 10

Question 7 of 10

7. If we know the output and input temperatures of the heat exchanging fluids, then which one of the following calculation is not required to determine the number of bends in tube for the equipment?

Pipe length

Pressure drop in the equipment

Total heat transfer area required

Overall heat transfer coefficients

Question 7 of 10

Question 8 of 10

8. We can use mean temperature difference too in place of LMTD if we can calculate it.

False

True

Question 8 of 10

Question 9 of 10

9. What is the value of Correction Factor?
Find the value from the below F-curve chart where R = 2, P = 0.3.

0.82

0.86

0.80

0.90