Process Equipment and Plant Design
Spherical shaped pressure vessel is considered to be the most ideal, because it can

Be supported very easily
Be fabricated very easily
Withstand higher pressure for a given metallic shell thickness
Be designed without wind load considerations

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Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of a long tube vertical evaporator.

Tube dia is 3-6 cms, while tube length in 3-6 metres
None of these
Liquor level is maintained at l/3rd to 1/2 of the height of the tube
Steam is fed to the shell, whereas the liquor is filled inside the tube

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