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Process Equipment and Plant Design

Process Equipment and Plant Design
What is the slope of the operating line in the stripping section of a distillation column?

?
> 1
< 1

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Process Equipment and Plant Design
Which of the following material is seldom used for pressure vessel construction?

Semi-killed steel
Mild steel
Killed steel
Rimmed still

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Process Equipment and Plant Design
The dust collection efficiency of a cyclone separator

Decreases with increase in gas flow rate
Is directly proportional to the radius of the dust particle path
Is inversely proportional to the mass of the dust particle
None of these

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Process Equipment and Plant Design
Angled baffles are preferred in the agitation tank to control the swirling action; if the viscosity of the liquid to be mixed is about 200 poise. However, the baffle may be completely eliminated for mixing liquids having viscoisty above __________ poise.

300
1500
600
1000

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Process Equipment and Plant Design
Normally, the length to diameter ratio of rotary dryers varies form 4 to 10 and for its economic operation, the number of transfer units (NTU) for such dryers varies from

3.5-5.5
7.5-10.0
1.5-2.5
44119

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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
Short tube vertical evaporator
Long tube vertical evaporator

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