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Process Equipment and Plant Design

Process Equipment and Plant Design
Generally, no corrosion allowance in wall thickness of a part is required, if the thickness is more than __________ mm.

30
20
10
5

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Process Equipment and Plant Design
Reflux ratio variation in a distillation column is between

None of these
Zero and one
Zero and infinity
Minimum and infinity

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Process Equipment and Plant Design
The diameter of a propeller agitator used in agitation tank ranges from __________ percent of the tank diameter and its peripherial speed is normally 300 to 500 metres/minute.

40 to 50
55 to 75
5 to 10
15 to 30

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Process Equipment and Plant Design
The retention time of material in a rotary dryer depends upon its

Rpm
All of these
Flights arrangement
Slope & length

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Process Equipment and Plant Design
A minimum clearance of about __________ mm is maintained between the distillation column wall and the bubble cap.

76
95
38
19

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Process Equipment and Plant Design
Wind load consideration in the design of a support can be neglected, when the vessel is

Short (< 2 m) and housed indoor
Tall (say 30 metres), but is full of liquid
Tall but empty
None of these

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