✅ The correct answer is option A.
Chemical Engineering MCQs
Accidents in chemical plants are mostly due to
inadequate equipment design.
faulty operating procedures.
improper layout of the equipments.
failure of equipments.
✅ The correct answer is option B.
A head comprises of straight flange section, corner torus, section and central dished section. Crown radius and knuckle radius in a head is related respectively to the
central dished section and corner torus section.
corner torus section and central dished section.
central dished section and straight flange section.
straight flange section and corner torus section.
✅ The correct answer is option A.
Triangular pitch tube layout as compared to square pitch in a shell and tube heat exchanger
permits the use of less tubes in a given shell diameter.
facilitates comparatively easier external cleaning because of large clearance.
permits the use of more tubes in a given shell diameter.
both (b) and (c).
✅ The correct answer is option C.
For pipe flows, head is proportional to __________ at constant capacity (where D = pipe diameter ).
1/D
1/D2
1/D5
D2
✅ The correct answer is option C.
A ‘rupture disc’ is provided in chemical equipments as an accessory meant for
relieving excess pressure.
creating turbulence.
enhancing mixing rate.
avoiding vortex formation.
✅ The correct answer is option A.
In the agitators, the power required will be changed with the increase of diameter of agitator (D) as
D2
D5
D
D9
✅ The correct answer is option B.
Optimum reflux ratio in a continuous distillation column is determined by the
maximum permissible vapour velocity.
flooding limit of the column.
total cost consideration (fixed cost of the column plus the cooling water & steam cost).
none of these.
✅ The correct answer is option C.
The normal range of velocity of water in pipes is __________ m/sec.
0.1-0.5
1-Feb
Oct-50
15-30
✅ The correct answer is option B.
If the vapour pressure at two temperatures of a solid phase in equilibrium with its liquid phase are known, then the latent heat of fusion can be calculated by the
A. Maxwell’s equation
B. Clayperon-Claussius equation
C. Van Laar equation
D. Nernst Heat Theorem
✅ The correct answer is option B.