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Process Equipment and Plant Design

Process Equipment and Plant Design
Column support for the roof of cylindrical storage tank must be provided for

Small diameter tall tanks
All of these
Small diameter tanks
Large diameter tanks

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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).

250
750
650
450

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Process Equipment and Plant Design
In distillation columns, bubble caps are held in place over trays by

Bolts
A hold down bar
Rivets
Both B and C

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Process Equipment and Plant Design
Bubble cap plate column is

Used only for distillation, not for absorption
A continuous contactor
A differential stage contactor
A finite stage contactor

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Process Equipment and Plant Design
The operating pressure drop range in a bag filter is about __________ mm water gauge.

43961
1500-2500
50-150
500-1500

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Process Equipment and Plant Design
Steam economy is defined as the amount of evaporation per unit amount of steam used, while the capacity is the total evaporation obtained per hour. Use of multiple effect in evaporation

Increases capacity
Does not affect the capacity
Increases economy
Both B & C

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