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Process Equipment and Plant Design

Process Equipment and Plant Design
The practical representative values of HETP for a number of commercial operations lies within a range of __________ metre.

1.2-1.5
0.2-0.5
0.4-0.9
0.1-0.2

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Process Equipment and Plant Design
Any shell opening greater than 5 cms for a storage tank must be reinforced for reason of

Preventing the local overstressing of the shell around the opening
Making the joint leak proof
Reduction of discontinuity in shape at the junction
None of these

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Process Equipment and Plant Design
Tube side heat transfer co-efficient for turbulent flow of liquid through tubes is proportional to

G1.5
G0.2
G0.5
G0.8

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Process Equipment and Plant Design
Typical static submergence for bubble cap plate column operating at atmospheric pressure may be around

0.5"
2.5"
5"
50% of the plate spacing

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Process Equipment and Plant Design
The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is

> 20 < 50
< 7
> 7 < 15
< 30

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Process Equipment and Plant Design
The clearance between two tubes in a shell and tube heat exchanger is known as 'ligament', whose minimum value is __________ the outside diameter of the tube, but in no case it should be less than 4.5 mm.

Half
One fourth
Equal to
Three fourth

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