Engineering Questions with Answers - Multiple Choice Questions
Separation Processes MCQ’s – Desublimation
1 - Question
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 - Question
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 - Question
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.
4 - Question
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 - Question
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.
6 - Question
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 - Question
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.
8 - Question
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 - Question
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.
10 - Question
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.