Mass Transfer MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Mass Transfer, a fundamental topic in the field of Basic Chemical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Mass Transfer MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Mass Transfer mcq questions that explore various aspects of Mass Transfer problems. Each MCQ is crafted to challenge your understanding of Mass Transfer principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Basic Chemical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Mass Transfer MCQs are your pathway to success in mastering this essential Basic Chemical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Mass Transfer. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Mass Transfer knowledge to the test? Let's get started with our carefully curated MCQs!

Mass Transfer MCQs | Page 62 of 67

Discover more Topics under Basic Chemical Engineering

Q611.
Flooding in a distillation column is detected by a sharp

a.

increase in Murphree plate efficiency.

b.

decrease in pressure drop.

c.

decrease in liquid hold up in the coloumn.

d.

increase in pressure drop.

Discuss
Answer: (d).increase in pressure drop.
Q612.
In case of unsaturated air

a.

dew point < wet bulb temperature

b.

wet bulb temperature < dry bulb temperature

c.

both (a) and (b)

d.

neither (a) not (b)

Discuss
Answer: (c).both (a) and (b)
Q613.
For a binary mixture with low relative volatility,

a.

use steam distillation.

b.

use molecular distillation.

c.

use high pressure distillation.

d.

an azeotrope may be formed during distillation.

Discuss
Answer: (d).an azeotrope may be formed during distillation.
Q614.
Plate efficiency

a.

is a function of the mass transfer between liquid and vapour.

b.

increases due to foaming.

c.

increases due to liquid entrainment.

d.

increases due to weeping and dumping of liquid.

Discuss
Answer: (a).is a function of the mass transfer between liquid and vapour.
Q615.
Absorption accompanied by heat evolution results in

a.

increased capacity of the absorber.

b.

increase in equilibrium solubility.

c.

decrease in equilibrium solubility.

d.

none of these.

Discuss
Answer: (c).decrease in equilibrium solubility.
Q616.
Even though bubble cap towers are very effective for humidification operation, they are not used commonly in industries, because of the

a.

high evaporation losses of water.

b.

high pressure drop of the gas.

c.

difficulty in its fabrication.

d.

none of these.

Discuss
Answer: (b).high pressure drop of the gas.
Q617.
Mass transfer co-efficient 'K' according to penetration theory varies with mass dif-fusivity as

a.

D^0.5

b.

D

c.

1/D

d.

D^1.5

Discuss
Answer: (a).D^0.5
Q618.
Most important factor to be considered in the selection of packings for absorbers is the __________ of packing.

a.

size

b.

durability

c.

porosity

d.

cost

Discuss
Answer: (c).porosity
Q619.
__________ is the separation technique used for desalination of sea water.

a.

Thermal diffusion

b.

Reverse osmosis

c.

Adsorption

d.

absorption

Discuss
Answer: (b).Reverse osmosis
Q620.
The relative saturation of a partially saturated mixture of vapour and gas can be increased by __________ of the mixture.

a.

reducing the total pressure

b.

increasing the total pressure

c.

reducing the temperature

d.

both (b) and (c)

Discuss
Answer: (d).both (b) and (c)
Page 62 of 67