Mass Transfer MCQ Questions & Answers | Chemical Engineering

A. Natural

B. Forced

C. Induced

D. None of these

A. Increases

B. Decreases

C. Remains same

D. Either A or B; depends on the gas

A. Centrifugal

B. Packed

C. Plate

D. None of these

A. Decreases with increase in

B. Increases with increase in

C. Is independent of

D. None of these

A. 0.60

B. 0.24

C. 1

D. 0.72

A. $$\sqrt {{{\text{K}}_{\text{L}}}^2 \cdot {{\text{D}}_{\text{A}}}} $$

B. $${{\text{K}}_{\text{L}}}^2 \cdot {{\text{D}}_{\text{A}}}$$

C. $$\frac{{{{\text{K}}_{\text{L}}}^2}}{{{{\text{D}}_{\text{A}}}}}$$

D. $$\frac{{{{\text{K}}_{\text{L}}}}}{{{{\text{D}}_{\text{A}}}^2}}$$

A. Humidified with wet bulb temperature decreasing

B. Humidified at constant wet bulb temperature

C. Dehumidified

D. None of these

A. Higher hold up of the solid in the rotary dryer results in better exposure of the solids to the gas

B. The 'Hatta number' is important in problems involving gas absorption without chemical reaction

C. For a non-reacting binary mixture of ideal gases, the partial pressure distribution of both components is linear in the case of steady state equimolal counter-diffusion

D. Total reflux in case of distillation operation requires infinite number of plates for a binary system separation

A. 5.6 × 10^-4

B. 8.5 × 10^-4

C. 5.6 × 10^-3

D. 8.5 × 10^-3

A. Packed column

B. Sieve tray

C. Bubble cap

D. Any of these