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Process Equipment and Plant Design

Process Equipment and Plant Design
A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.

80
60
45
95

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Process Equipment and Plant Design
In common bubble cap distillation column design practice, riser area is approximately equal to (where, Aa = Annular passage area, and Sa = Slot area)

1.2 Aa = 1.2 Sa
Aa = Sa
Aa = 1.5 Sa
Sa = 1.5 Aa

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Process Equipment and Plant Design
Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor.

30-35
43961
15-20
35-40

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Process Equipment and Plant Design
Tube side heat transfer co-efficient for turbulent flow of liquid through tubes is proportional to

G0.5
G0.8
G0.2
G1.5

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Process Equipment and Plant Design
In a distillation column, the minimum residence time for liquid in the downspout is about __________ seconds.

80
1
8
180

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

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

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