Chemical Engineering - Process Equipment and Plant Design

11.
In a distillation column, minimum clearance to be maintained betweeen the overflow weir and the last row of the bubble caps is __________ cms.
2.5
7.5
15
20
Answer: Option
Explanation:
No answer description is available. Let's discuss.

12.
Which of the following lengths of heat exchanger tubes are normally not used in practice ?
2.5 metres
6 metres
10 metres
0.5 metre
Answer: Option
Explanation:
No answer description is available. Let's discuss.

13.
A pipe is generally made of circular cross-section, because a circular cross-section has the
higher structural strength.
lowest surface area requirement for a given volume.
both (a) & (b).
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

14.
In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of
1000
3000
5000
10000
Answer: Option
Explanation:
No answer description is available. Let's discuss.

15.
Equivalent diameter for heat transfer calculation for a duct of square cross-section having each side as 'd' will be
d
d
d
2d
Answer: Option
Explanation:
No answer description is available. Let's discuss.