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Process Equipment and Plant Design

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

43961
500-1500
50-150
1500-2500

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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

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

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Process Equipment and Plant Design
In a multiple effect evaporator system having 'n' effects, the amount of water evaporated per unit surface area in approximately equal to __________ times that in a single effect.

nth
(1/n)th
0.5 nth
1.5 nth

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Process Equipment and Plant Design
Rivets are generally specified by the

None of these
Shank diameter
Head diameter
Overall length

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Process Equipment and Plant Design
Diameter of bubble caps used in high pressure columns is __________ as compared to that used in identical vacuum columns.

Either A or B; no generalisation can be made
Less
Same
More

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Process Equipment and Plant Design
The operating velocity in the absorption tower is usually 40-50% of the flooding velocity. Packed absorption towers are normally designed for a pressure drop of about __________ mm of water column per metre height of packing.

100-150
20-40
1000-1500
43835

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