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 40 of 67

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Q391.
Stacked packing compared to dumped packing

a.

provides poorer contact between the fluids.

b.

gives lower pressure drop.

c.

both (a) and (b).

d.

gives higher pressure drop.

Discuss
Answer: (c).both (a) and (b).
Q392.
In McCabe-Thiele method of theoretical plate calculation for a distillation column, the operating lines of stripping and rectifying sections coincide with the diagonal at __________ reflux.

a.

total

b.

minimum

c.

operating

d.

maximum permissible

Discuss
Answer: (a).total
Q393.
Dryer widely used in a textile industry is __________ dryer.

a.

festoon

b.

cylinder

c.

conveyor

d.

tunnel

Discuss
Answer: (c).conveyor
Q394.
Solvent used in extractive distillation

a.

changes the relative volatility of the original components.

b.

should be of high volatility.

c.

should form azeotropes with the original components.

d.

all (a), (b) and (c)

Discuss
Answer: (a).changes the relative volatility of the original components.
Q395.
Air at a particular humidity is heated in a furnace. The new dew point

a.

decreases

b.

increases

c.

depends on the extent of heating

d.

remain unchanged

Discuss
Answer: (b).increases
Q396.
In a packed tower, the value of HETP equals HTUOG, when the equilibrium and the operating lines are (where, HETP = height equivalant to a theoretical plate HTUOG = overall gas phase height of a transfer unit)

a.

straight

b.

parallel

c.

both (a) & (b)

d.

neither (a) nor (b)

Discuss
Answer: (c).both (a) & (b)
Q397.
The vapour pressure exerted by the moisture contained in a wet solid depends upon the

a.

nature of the moisture.

b.

temperature.

c.

nature of the solid.

d.

all (a), (b) and (c).

Discuss
Answer: (d).all (a), (b) and (c).
Q398.
Heat load in a cooling tower

a.

means the amount of heat thrown away (KCal/hr.) by the cooling tower.

b.

is equal to the number of kg, of water circulated times the cooling range.

c.

both (a) & (b).

d.

neither (a) nor (b).

Discuss
Answer: (c).both (a) & (b).
Q399.
In case of absorption with exothermic reaction, for fluids having

a.

Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence.

b.

Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same.

c.

both (a) and (b)

d.

Pr = Sc ; there won't be any change in heat and mass transfer flux with changes in degree of turbulence.

Discuss
Answer: (c).both (a) and (b)
Q400.
Detergent solution is dried to a powder in a

a.

spray dryer

b.

spouted bed dryer

c.

tunnel dryer

d.

pan open to atmosphere

Discuss
Answer: (a).spray dryer
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