Chemical Engineering - Process Equipment and Plant Design

21.
In a double pipe concentric heat exchanger, the equivalent diameter of annulus for heat transfer would be (where, D1 and D2 are I.D. of inner and outer pipes)
D2 - D1
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

22.
What is the slope of the operating line in the stripping section of a distillation column ?
0
> 1
< 1
Answer: Option
Explanation:
No answer description is available. Let's discuss.

23.
__________ shaped roof is most commonly used for cylindrical tanks.
Cone
Dome
Umbrella
Flat
Answer: Option
Explanation:
No answer description is available. Let's discuss.

24.
In a thin cylindrical shell, the hoop stress is __________ stress.
radial
circumferential tensile
compressive
longitudinal
Answer: Option
Explanation:
No answer description is available. Let's discuss.

25.
Commercial packed scrubbers are normally designed for a pressure drop range of __________ mm water coloumn per metre of packed height.
4-8
17-34
52-68
88-105
Answer: Option
Explanation:
No answer description is available. Let's discuss.