Chemical Engineering - Process Equipment and Plant Design

36.
Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate ?
Triangular pitch.
Square pitch.
Diagonal square pitch.
Heat transfer rate is independent of tube arrangement.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

37.
In case of 1.5" heat exchanger tubes, the inside flow area __________ with decrease in BWG.
increases
decreases
remains same
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

38.
Cylindrical pressure vessels in horizontal condition is generally supported on a __________ support.
lug
skirt
saddle
guy wire
Answer: Option
Explanation:
No answer description is available. Let's discuss.

39.
Pressure drop per tray in the atmospheric distillation column is about __________ psi.
0.01 - 0.5
0.07 - 0.12
0.5 - 1.0
1 - 3
Answer: Option
Explanation:
No answer description is available. Let's discuss.

40.
Welded joint efficiency in the design of chemical process equipment is taken as
0.55
0.75
0.85
0.95
Answer: Option
Explanation:
No answer description is available. Let's discuss.