Chemical Engineering MCQs

A. 1 lb/hr.ft3.atm. = 4.8182 kg/hr.m2.bar
B. 1 kg/hr.m2.atm= 0.98687 kg/hr. m .bar
C. 1 lb/hr.ft2 = 4.8823 kg/hr.m2
D. 1 kg/hr.m2 = 4.8823 lb/hr.ft2

A. Increases
B. Decreases
C. Remains unchanged
D. Either a. or b.; depends on the liquid

A. Heat of solvation
B. Heat of hydration
C. Standard integral heat of solution
D. Heat of mixing

A. Inventory changes do not take place
B. Ratio of streams entering/leaving are independent of time
C. Flow rates & composition both are time dependent
D. None of these

A. 109
B. 10-12
C. 1012
D. 1015

A. 1 atm absolute pressure & 0°c
B. 760 mm hg gauge pressure & 0°c
C. 760 torr & 15°c
D. 101.325 kpa gauge pressure & 0°c

A. Deviate from ideal gas behaviour to the same degree
B. Have nearly the same compressibility factor
C. Both a. and b.
D. Neither a. nor b.

A. Basic
B. More acidic
C. Neutral
D. Of the same acidity

A. No component is concentrated at the surface of the solution
B. The component molecules are non polar and are of almost equal size
C. In the formation of solution, chemical combination/molecular association between unlike
MolEcules takes place

A. Total pressure
B. Absolute humidity at a given temperature
C. Both a. and b.
D. Neither a. nor b.