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Process Equipment and Plant Design

Process Equipment and Plant Design
Welded joint efficiency in the design of chemical process equipment is taken as

0.55
0.95
0.75
0.85

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Process Equipment and Plant Design
The slope of the feed line in distillation opeartion is given by (where, q = fraction of the feed stream that is liquid.)

-q/(q-1)
None of these
-q/(1-q)
-q

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

Low viscosity
Low dirt factor
Low corrosiveness
High specific heat

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Process Equipment and Plant Design
Optimum economic pipe diameter for fluid flow is determined by the

Density of the fluid
Total cost considerations (pumping cost plus fixed cost of the pipe)
None of these
Viscosity of the fluid

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Process Equipment and Plant Design
Vertical vessels are not supported by

Brackets
Saddles
Skirts
Columns

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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
1000-1500
43835
20-40

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