Plate
Baffle
Packed
None of these
✅ The correct answer is option B.
Chemical Engineering MCQs
CO₂ can be absorbed by
Hot cupric oxide
Heated charcoal
Cold Ca(OH)₂
Alumina
✅ The correct answer is option B.
Dry bulb temperature of unsaturated air is more than its __________ temperature.
Dew point
Wet bulb
Both A & B
Neither A nor B
✅ The correct answer is option C.
During drying operation, it is easier to remove the __________ moisture.
Equilibrium
Critical
Unbound
Bound
✅ The correct answer is option C.
__________ diffusion is used for separating the isotopes of methane.
Thermal
Pressure
Concentration
Force
✅ The correct answer is option A.
With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas
Increases
Decreases
Decreases linearly
Remains unaffected
✅ The correct answer is option B.
Total energy at a point comprises of __________ energy.
Potential & kinetic
Pressure
Internal
All of the above
✅ The correct answer is option D.
The vapour pressure of a solution (made by dissolving a solute in a solvent) is __________ that of the pure solvent.
Less than
More than
Equal to
Either more or less; depends on the solvent
✅ The correct answer is option A.
One micron is equal to
10⁻⁴ mm
10⁻⁴ cm
10⁻⁶ m
Both B & C
✅ The correct answer is option D.
The molecules of a liquid which is in equilibrium with its vapor at its boiling point on an average have equal __________ in the two phases.
Potential energy
Intermolecular forces
Kinetic energy
Total energy
✅ The correct answer is option C.