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Process Equipment and Plant Design

Process Equipment and Plant Design
Hold up of material in a operating rotary drier is in the range of

0.25 to 0.50
0.5 to 0.8
0.8 to 0.9
0.05 to 0.15

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Process Equipment and Plant Design
Hole diameter of the seive trays in the distillation column ranges from __________ mm.

L to 3
3 to 12.5
4 to 8
12.5 to 18.5

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Process Equipment and Plant Design
Tube side pressure drop in a 1-2 heat exchanger (for turbulent flow of fluids through the tubes) is about __________ times, that in a 1-1 heat exchanger having the same size & number of tubes and operated at the same liquid flow rate.

1/2
4
2
8

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Process Equipment and Plant Design
__________ of water makes it a widely used coolant in heat exchangers.

Low corrosiveness
Low viscosity
High specific heat
Low dirt factor

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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.

17-34
88-105
43929
52-68

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Process Equipment and Plant Design
Movement of pipeline caused by thermal expansion is taken care by providing

Expansion joint
Change in the shape of pipeline
All of these
Changes in its direction

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