Separation Processes Questions and Answers – Desublimation

This set of Separation Processes Multiple Choice Questions & Answers (MCQs) focuses on “Desublimation”.

1. If the amount of sublimate per tube is m=2kg
Time to reach the maximum thickness of N is t=5h
The size of heat exchanger is S=100kg/h
Calculate the number of tubes required.
a) 100
b) 200
c) 250
d) 300
View Answer

Answer: c
Explanation: The number of tubes required N= S*t/m, hence N=250.

2. If the amount of sublimate per tube is m=0.4kg
Time to reach the maximum thickness of N is t=5h
The size of heat exchanger is S=100kg/h
Calculate the number of tubes required.
a) 100
b) 200
c) 250
d) 300
View Answer

Answer: b
Explanation: The number of tubes required N= S*t/m, hence N=200.

3. If the amount of sublimate per tube is m=1.2kg
Time to reach the maximum thickness of N is t=5h
The size of heat exchanger is S=100kg/h
Calculate the number of tubes required.
a) 100
b) 200
c) 250
d) 300
View Answer

Answer: d
Explanation: The number of tubes required N= S*t/m, hence N=300.
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4. If the amount of sublimate per tube is m=5kg
Time to reach the maximum thickness of N is t=5h
The size of heat exchanger is S=100kg/h
Calculate the number of tubes required.
a) 100
b) 200
c) 250
d) 300
View Answer

Answer: a
Explanation: The number of tubes required N= S*t/m, hence N=100.

5. If the amount of sublimate per tube is m=2kg
Time to reach the maximum thickness of N is t=5h
The size of heat exchanger is S=200kg/h
Calculate the number of tubes required.
a) 190
b) 560
c) 500
d) 300
View Answer

Answer: c
Explanation: The number of tubes required N= S*t/m, hence N=500.
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6. If the amount of sublimate per tube is m=2kg
Time to reach the maximum thickness of N is t=3h
The size of heat exchanger is S=100kg/h
Calculate the number of tubes required.
a) 100
b) 150
c) 250
d) 300
View Answer

Answer: b
Explanation: The number of tubes required N= S*t/m, hence N=150.

7. If the amount of sublimate per tube is m=4kg
Time to reach the maximum thickness of N is t=8h
The size of heat exchanger is S=100kg/h
Calculate the number of tubes required.
a) 100
b) 200
c) 250
d) 300
View Answer

Answer: b
Explanation: The number of tubes required N= S*t/m, hence N=200.
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8. If the amount of sublimate per tube is m=2kg
Time to reach the maximum thickness of N is t=5h
The size of heat exchanger is S=50kg/h
Calculate the number of tubes required.
a) 100
b) 150
c) 250
d) 350
View Answer

Answer: b
Explanation: The number of tubes required N= S*t/m, hence N=150.

9. If the amount of sublimate per tube is m=2kg
Time to reach the maximum thickness of N is t=5h
The size of heat exchanger is S=200kg/h
Calculate the number of tubes required.
a) 100
b) 900
c) 750
d) 500
View Answer

Answer: d
Explanation: The number of tubes required N= S*t/m, hence N=500.
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10. If the amount of sublimate per tube is m=2kg
Time to reach the maximum thickness of N is t=2h
The size of heat exchanger is S=100kg/h
Calculate the number of tubes required.
a) 100
b) 200
c) 250
d) 300
View Answer

Answer: a
Explanation: The number of tubes required N= S*t/m, hence N=100.

Sanfoundry Global Education & Learning Series – Separation Processes.

To practice all areas of Separation Processes, here is complete set of 1000+ Multiple Choice Questions and Answers.

If you find a mistake in question / option / answer, kindly take a screenshot and email to [email protected]

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Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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