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Process Equipment and Plant Design

Process Equipment and Plant Design
Commercial packed scrubbers are normally designed for a pressure drop range of __________ mm water coloumn per metre of packed height.

43929
52-68
88-105
17-34

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Process Equipment and Plant Design
For turbine agitator, the impeller diameter is about

0.1 to 0.2 d
0.65 to 0.85 d
0.95 d
0.3 to 0.5 d

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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
2
20.8
20.2

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Process Equipment and Plant Design
Width and depth of grooves in the tube sheet holes normally are __________ inch respectively.

1/8 and 1/64
1/2 and 5
1/2 and 8
1/64 and 1/8

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Process Equipment and Plant Design
Bracket supports are the most suitable for supporting __________ vessels.

Thick walled vertical
Thin shperical (e.g. Horton sphere)
None of these
Horizontal

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Process Equipment and Plant Design
Baffles may be eliminated for

None of these
Low viscosity liquids (< 200 poise)
High viscosity liquids (> 600 poise)
Large diameter tanks

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