Process Equipment And Plant Design - Study Mode
[#121] A shell may by termed as thin if its thickness to diameter ratio is less than 0.1. The factor which can be neglected in the calculation of membrane stresses is
Correct Answer
(A) Bending
[#122] Tubes are fixed to the tube sheet (a thick circular metallic plate) by the method of tube rolling and brazing (non-removable) or ferrule connection (removable). Thickness of the tube, sheet is normally __________ the outside diameter of the tube but in no case it should be less than 22 mm $$left( {{{frac{7}{8}}^{''}}}
ight).$$
Correct Answer
(C) Equal to
[#123] Two iron pipes of the same nominal diameter but different schedule numbers will have the same
Correct Answer
(A) Inside diameter
[#124] $$frac{{{{ ext{L}}_{ ext{e}}}}}{{ ext{D}}}$$ for fully open gate valves would be
Correct Answer
(D) Both B and C
[#125] Pick out the wrong statement about the design of seive plate column and the bubble cap column.
Correct Answer
(C) Weir height for a bubble cap plate column is the same as that for a seive plate column