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Process Equipment and Plant Design

Process Equipment and Plant Design
Maximum plate efficiency is achieved in case of __________ flow.

Cascade
Cross
Reverse
Split

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Process Equipment and Plant Design
In a rotary drier, the average retention time of solid is(where Z = length of the drier, metres ρ = apparent solid density, kg/m³ L = flow rate of dry solids, kg/see. m² drier cross-section H = hold up of solid.)

H.ρ/L
Z.H.ρ/L
Z.H/L.ρ
L/Z.H.ρ

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Process Equipment and Plant Design
The normal range of velocity of water in pipes is __________ m/sec.

10-50
1-2
15-30
0.1-0.5

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Process Equipment and Plant Design
Fresh water carrying pipelines in chemical industries are coloured with __________ color.

Red
Sea green
Yellow
Brown

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

Tray diameter
Permissible slot velocity
Liquid load
Vapor load

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

500-1500
43961
50-150
1500-2500

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