Chemical Engineering - Process Equipment and Plant Design

16.
In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the
liquid gradient on the tray.
lower skirt clearance.
lower static submergence.
small downcomer liquid seal.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

17.
The minimum shell thickness for tank ≤ 15 metres diameter is limited to __________ mm, for reasons of elastic stability.
2
5
10
15
Answer: Option
Explanation:
No answer description is available. Let's discuss.

18.
If 'D' is the inside diameter of the shell of a shell and tube heat exchanger, then the baffle spacing is usually in the range of
D/2 or minimum 2" to 5D.
D/5 or minimum 2" to 5D.
D/5 or minimum 2" to D.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

19.
Brass valves are usually made for pipe sizes __________ inches.
≤1
≤2
>2.5
>3.5
Answer: Option
Explanation:
No answer description is available. Let's discuss.

20.
At the following point for a given packing and set of fluids, the pressure drop per metre of packed height, with variation in fluid rates and operating pressure
increases
decreases
remains same
may increase or decrease depending upon the solubility of the gas in the liquid
Answer: Option
Explanation:
No answer description is available. Let's discuss.