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Chemical Engineering - Process Equipment and Plant Design

Exercise : Process Equipment and Plant Design - Section 4
31.
An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by
an increase in liquid viscosity.
an increase in relatived volatility for rectification columns.
decrease in gas solubility for absorbers.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
In the design of a bag filter, the gas temperature is an important consideration, as it affects the
gas density
gas viscosity
fibre selection
all (a), (b) & (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
With increase in temperature drop (in a shell and tube heat exchanger), the LMTD correction factor, FT
decreases very rapidly
increases very rapidly
remains constant
increases linearly
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
The normal range of velocity of steam in pipes is __________ m/sec.
0.1-0.5
1-5
10-20
80-100
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
__________ dished head is the strongest of all.
Hemispherical
Elliptical
Torispherical
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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