Process Equipment and Plant Design Objective Questions and Answers

316. The value of fouling factor depends upon the

317. For identical operating conditions, the pressure drop over __________ tray is the highest out of the following.

A. Sieve

318. Vertical storage vessels are never supported by __________ support.

319. For a cylinderical vessel of moderate height, the weld joint efficiency for joints parallel to the cylinderical axis is given as 1.0, while for joints along the girth (circumference) it is given as 0.8. In calculating the shell wall thickness using code formula for an internally pressurised cylinderical vessel, what value of weld joint efficiency should be used?

320. A claming section before the liquid flows into the downcomer is privided to

A. Permit release of entrained vapour in the liquid

B. Reduce the discharge fluctuation

C. Ensure better vapour-liquid contact

D. Cool the liquid before it flows down

Discussion

321. Movement of pipeline caused by thermal expansion is taken care by providing