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Process Equipment and Plant Design

Process Equipment and Plant Design
Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer).

450
650
750
250

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Process Equipment and Plant Design
Which of the following is used to set the diameter of the distillation column?

Allowable vapour velocity
Number of theorectical plates
Static submergence
Length of straight rectangular weir on cross-flow tray

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Process Equipment and Plant Design
Speed of the drum of the rotary vacuum filter normally ranges from __________ rpm.

3 to 8
8 to 15
5 to 7
0.1 to 2

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

1/D⁵
1/D²
1/D
D²

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Process Equipment and Plant Design
The minimum tray spacing in distillation column of diameter less than 3 ft is normally __________ inches.

34
18
24
6

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Process Equipment and Plant Design
In a heat exchanger, shell side fluid velocity can be changed by changing the tube

Pitch
Both A & B
Neither A nor B
Layout

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