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Process Equipment and Plant Design

Process Equipment and Plant Design
Speed of industrial paddle agitator ranges from __________ rpm.

1000 to 2000
1 to 5
500 to 750
20 to 100

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Process Equipment and Plant Design
The thickness of heat transfer plates used in the plate type heat exchanger ranges from __________ mm, pressed in a single piece provided with grooves & corrugations.

44055
1.25 to 3.125
3.5 to 7.0
0.3 to 0.8

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Process Equipment and Plant Design
__________ is the determining factor for the number of bubble caps to be used per tray.

Liquid load
Permissible slot velocity
Vapor load
Tray diameter

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Process Equipment and Plant Design
Which of the following factors determine the amount of entrainment in a distillation column?

Depth of liquid above the bubble cap slots
Plate spacing
Vapour velocity in the volume between the plates
All of these

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Process Equipment and Plant Design
Larger depth of liquid on the trays of a distillation column

Neither A nor B
Results in higher pressure drop per tray
Leads to high tray efficiency
Both A & B

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Process Equipment and Plant Design
A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of

None of these
20.8
20.2
2

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