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Chemical Engineering - Process Equipment and Plant Design

Exercise : Process Equipment and Plant Design - Section 2
16.
Cooling water fouling factors vary in the range of 0.001 to 0.003
(BTU/hr.ft2 . °F)-1
(kcal/hr.m2 .°C)-1
(W/m2.°K)-1
(kcal/hr. m. °C)-1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter )
0.2 D
0.5 D
0.66 D
0.80 D
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
The maximum liquid gradient over a tray must not exceed
0.5" -1.25".
2"-3.5".
5".
half the tray spacing.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
An underdesigned steam trap will
waste steam.
destroy itself of acceleration wear due to rapid recycling.
back up condensate and cause water hammer in steam line.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
The slope of the feed line in distillation opeartion is given by (where, q = fraction of the feed stream that is liquid.)
-q
-q/(1-q)
-q/(q-1)
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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