Process Equipment And Plant Design MCQ Questions & Answers | Chemical Engineering

A. 75% cut segmental baffle

B. 25% cut segmental baffle

C. Orifice baffle

D. Disk and doughnut baffle

A. 1

B. 5

C. 15

D. 25

A. $$\frac{{{\text{D}}_2^2 - {\text{D}}_1^2}}{{{\text{D}}_1^2}}$$

B. D₂ - D₁

C. $$\frac{{{\text{D}}_2^2 - {\text{D}}_1^2}}{{{\text{D}}_2^2}}$$

D. None of these

A. 0.5 to 1

B. 1 to 1.5

C. 1.5 to 2

D. 2 to 2.5

A. < 30

B. < 7

C. > 7 < 15

D. > 20 < 50

A. Is always less than arithmetic average value

B. Is always more than arithmetic mean value and the geometric mean value

C. Is always less than arithmetic mean value, but more than geometric mean value

D. May be either more or less than geometric mean and arithmetic mean value depending upon whether the flow of stream is co-current or counter-current

A. Decreases with increase in gas flow rate

B. Is inversely proportional to the mass of the dust particle

C. Is directly proportional to the radius of the dust particle path

D. None of these

A. When highly corrosive fluids are to be handled, the plate towers prove to be cheaper and easier to construct than packed tower

B. Packed towers are generally preferred over plate towers, if the liquids have a foaming tendency

C. The pressure drop through the packed towers is generally more than the pressure drop through plate towers designed for same duty

D. None of these

A. It is preferred to use a vertical condenser for condensation of vapor from a distillation column without sub-cooling

B. Draining of residual liquid on tray during shut down of distillation column is facilitated by weep holes

C. Random packing a packed tower offers the advantage of lower pressure drop and higher throughput of fluids as compared to regular/stacked packing

D. Risers are generally not connected to the plate in a distillation coloumn by bolts, rivets or welding

A. Overall plate efficiency

B. Murphree plate efficiency

C. Point efficiency

D. None of these