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Process Equipment and Plant Design

Process Equipment and Plant Design
__________ heat exchanger is also known as 'hair pin type' exchanger,

Regenerative
Finned
Plate type
Double pipe

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Process Equipment and Plant Design
In a shell and tube heat exchanger, tube side __________ of the mass velocity.

Heat transfer co-efficient is proportional to 0.8th power
Neither A nor B
Both A & B
Pressure drop is proportional to the square

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Process Equipment and Plant Design
For pipe flows, head is proportional to __________ at constant capacity (where D = pipe diameter ).

1/D
1/D⁵
D²
1/D²

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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.

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

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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.

180
80
8
1

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Process Equipment and Plant Design
The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter.

0.6-0.8 times
Twice
2 ft irrespective of (for column > 3 ft diameter)
Equal to

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