Chemical Engineering MCQs

A. 1
B. ∞
C. 0.5
D. 2

A. Moles transferred/ [(time) (area) (mole fraction)]
B. Moles transferred/ [(time) (area) (mass a/mass b)]
C. Moles transferred/ [(time) (area) (pressure)]
D. None of these

A. Less than
B. More than
C. Equal to
D. None of these

AzeOtropic mixture is
A. More
B. Less
C. Same

A. And humidified
B. And dehumidified with increase in wet bulb temperature
C. At the same relative humidity
D. And dehumidified with decrease in wet bulb temperature

A. 1
B. 0.24
C. 3.97
D. 600

A. Decreases with decrease in pressure
B. At constant humidity & total pressure is fixed
C. Corresponding to any point on the humidity chart is obtained by projecting a line through this
PoiNt parallel to the temperature axis and to the saturation curve

A. Heat and mass
B. Mass and momentum
C. Heat and momentum
D. Heat, momentum and mass

A. Uses molal units for material and energy balance
B. Uses weight fractions to express liquid and vapour composition
C. Can use any type of units
D. Is more accurate than ponchon-savarit method

A. 100
B. > 100
C. < 100
D. None of these