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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 1
41.
Which of the following liquid-vapor contacting devices provides maximum contact surface area for a particular duty ?
Sieve plate column
Bubble cap column
Randomly packed column
Wetted wall column
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
The equipment frequently used for adiabatic humidification-cooling operation with recirculating liquid is
natural draft cooling tower
induced draft cooling tower
spray chamber
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
Chemisorption (chemical adsorption) is
same as "Van der Waals" adsorption.
characterised by adsorption of heat.
an irreversible phenomenon.
a reversible phenomenon.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
The rate of solid-liquid extraction is limited by the
phase change of the solute as it dissolves in the solvent.
diffusion of the solute through the solvent in the pores to the outside of the particle.
diffusion of the solute from the solution in contact with the particle to the main bulk of the solution.
all 'a', 'b' & 'c'.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
Raoult's law applies to the
all liquid solutions
non-ideal solution only.
non-volatile solute.
solvents.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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