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Process Equipment and Plant Design

Process Equipment and Plant Design
Pressure drop per tray in the atmospheric distillation column is about __________ psi.

0.5 - 1.0
43833
0.07 - 0.12
0.01 - 0.5

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Process Equipment and Plant Design
In which of the following evaporators, steam is fed inside the tube while the liquor is outside the tube?

Horizontal tube evaporator
None of these
Long tube vertical evaporator
Short tube vertical evaporator

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Process Equipment and Plant Design
Power required for agitation depends upon the

All of these
Height & properties of the liquid
Agitator type & speed of agitation
Size of agitator & the tank

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Process Equipment and Plant Design
The slope of the feed line in distillation opeartion is given by (where, q = fraction of the feed stream that is liquid.)

-q
-q/(q-1)
None of these
-q/(1-q)

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Process Equipment and Plant Design
In a multipass shell and tube heat exchanger, the problem of differential expansion between the shell and tube passes is taken care of by using a

Floating head tube sheet
Either A or B
Neither A nor B
U-bend

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Process Equipment and Plant Design
To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of

(1.2)5/3
(1.2)2/3
(1.2)3/5
(1.2)3/2

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