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Process Equipment and Plant Design

Process Equipment and Plant Design
In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter.

Less than
2.5 times
One-fourth of
1.25-1.50 times

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Process Equipment and Plant Design
Le/D for 90° elbow (medium radius) and 90°square elbow would be respectively around

100 and 250
3 and 5
25 and 60
250 and 600

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Process Equipment and Plant Design
The necessary wall thickness for a metallic storage vessel is a function of the

Operating pressure and welding/joint efficiency
All of these
Ultimate tensile strength (or yield point) of the material and operating temperature
Diameter of the vessel

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Process Equipment and Plant Design
The ratio of down take area to cross-sectional area of the tube, for calendria type evaporator ranges from

1 to 1.5
0.5 to 1
1.5 to 2
2 to 2.5

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

1500-2500
500-1500
50-150
43961

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Process Equipment and Plant Design
In a shell and tube heat exchanger, the 'tube pitch' is defined as the

None of these
O.D. of the tube for square pitch
Shortest centre to centre distance between adjacent tubes
Shortest distance between two adj acent tube holes

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