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

A. Overall gas transfer units to the number of ideal trays required

B. Ideal trays required to the number of real trays required

C. Real trays required to the number of ideal trays required

D. None of these

A. Tall (say 30 metres), but is full of liquid

B. Tall but empty

C. Short (< 2 m) and housed indoor

D. None of these

A. Hydrostatic head is required for refluxing the condensate

B. Only the function of condensation is to be carried out

C. Sub cooling of condensate is desired

D. Both the functions of condensation & sub cooling are carried out in a single unit

A. 1.3 to 2

B. 1.6 to 2

C. 2.5

D. 1.5 to 3

A. $$\frac{{4\left( {{{\text{p}}^2} - \pi {{\text{d}}^2}/4} \right)}}{{\pi {\text{d}}}}$$

B. $$\frac{{{{\text{p}}^2} - \pi {{\text{d}}^2}/4}}{{\pi {\text{d}}}}$$

C. $$\frac{{4{{\text{p}}^2}}}{{\pi {\text{d}}}}$$

D. $$\frac{{\pi {\text{d}}}}{{4{{\text{p}}^2}}}$$