Mass Transfer - Practice Test

(A) Packing may be crushed due to thermal expansion/contraction of the components of the equipments

(B) Pressure drop in the equipment will be very high

(C) Viscosity variation of the fluids may cause channeling/flooding

(D) None of these

(A) Packing may be crushed due to thermal expansion/contraction of the components of the equipments

(A) Increases pressure drop, increases surface area

(B) Increases pressure drop, decreases surface area

(C) Decreases pressure drop, increases surface area

(D) Decreases pressure drop, decreases surface area

(C) Decreases pressure drop, increases surface area

(A) 7

(B) 70

(C) 0.7

(D) 150

(A) 7

(A) Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities

(B) Increases the scale forming tendencies of water

(C) Is undesirable

(D) All of the above

(A) Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities

(A) Not affected by pressure

(B) Affected by pressure

(C) A plot of temperature vs. liquid composition

(D) A plot of temperature vs. vapour composition

(B) Affected by pressure

Mass Transfer - Study Mode