< 10
> 10
> 20
30
✅ The correct answer is option B.
Chemical Engineering MCQs
Bracket supports are the most suitable for supporting __________ vessels.
thick walled vertical
horizontal
thin shperical (e.g. Horton sphere)
none of these
✅ The correct answer is option A.
Where does the maximum tensile strength occur in a thick cylindrical vessel subjected to internal pressure ?
At the inner surface.
At the mid thickness of the cylindrical wall.
At the outer surface.
None of these.
✅ The correct answer is option A.
Value of Peclet number = ∞, is the representative of
laminar flow.
complete back mixing,
plug flow.
eddy diffusivity = 0.
✅ The correct answer is option C.
Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about __________ percent.
5
20
35
55
✅ The correct answer is option B.
Width and depth of grooves in the tube sheet holes normally are __________ inch respectively.
✅ The correct answer is option A.
Wall thickness of schedule 40 pipe as compared to that of schedule 80 pipe is
more
less
same
cither (a) or (b); depends upon the I.D. of the pipe
✅ The correct answer is option B.
In a shell and tube heat exchanger, tube side __________ of the mass velocity.
heat transfer co-efficient is proportional to 0.8th power
pressure drop is proportional to the square
both ‘a’ & ‘b’
neither ‘a’ nor ‘b’
✅ The correct answer is option C.
The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches.
6
12
18
34
✅ The correct answer is option C.
Maximum allowable vapour velocity in a bubble cap tower is determined by the
entrainment considerations.
vapour density.
diameter of the column.
none of these.
✅ The correct answer is option A.