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Process Equipment and Plant Design

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.

15-20
43961
35-40
30-35

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Process Equipment and Plant Design
The approximate liquid depth in an agitation tank is equal to (where, d = tank diameter)

0.75 d
D
2 d
0.5 d

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Process Equipment and Plant Design
Rotary driers are most economically designed for the number of heat transfer units (HTU) from

0.01 to 1
5 to 10
1.5 to 2.5
10 to 20

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Process Equipment and Plant Design
__________ tray arrangement is recommended for distillation column having diameter upto 4 ft.

Cross flow
Cascade
Split flow
Radial flow

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Process Equipment and Plant Design
The thickness of segmental baffles (25 -35% cut truncated plates usually) is generally __________ the tube wall thickness.

Twice
Equal to
Four times
Half

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Process Equipment and Plant Design
The raio, (properller agitator dia/tank dia) is normally taken as

0.75-0.85
0.60-0.90
0.15-030
0.5-0.65

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