Chemical Engineering MCQs

A. Water-hydrochloric acid
B. Acetone-carbon disulphide
C. Water-ethyl alcohol
D. N-heptane-n-octane

A. Mccabe-thiele method
B. Ponchan-savarit method
C. Enthalpy concentration method
D. Plate absorption column

A. Area between operating line and 45° diagonal x-y diagram
B. Condenser and reboiler surfaces
C. Tower cross-section
D. None of these

A. The mixture exhibits an azeotrope at 101.3 kpa
B. The composition of the mixture, in percent by volume is: o-xylene 30, p-xylene 60. and mxylene
10
C. The composition of the mixture in mole percent is: o-xylene 30, p-xylene 60 and m-xyoene 10

A. Increase
B. Decrease
C. Remain same
D. Data insufficient, can’t be predicted

A. Low vapor pressure
B. Low viscosity
C. High gas solubility
D. None of these

A. Less than
B. More than
C. Same as
D. Very much less

A. Inverse
B. Exponential
C. Linear
D. Logarithmic

A. Ii, iii
B. Ii, iv
C. Iv, iii
D. Iv, ii

A. Cold water leaving the tower and the wet bulb temperature of the surrounding air
B. Hot water entering the tower and the wet bulb temperature of the surrounding air
C. Hot water entering and the cooled water leaving the cooling tower
D. None of these