Downstream Processing MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Downstream Processing, a fundamental topic in the field of Biochemical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Downstream Processing 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 Downstream Processing mcq questions that explore various aspects of Downstream Processing problems. Each MCQ is crafted to challenge your understanding of Downstream Processing principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Biochemical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Downstream Processing MCQs are your pathway to success in mastering this essential Biochemical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Downstream Processing. 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 Downstream Processing knowledge to the test? Let's get started with our carefully curated MCQs!

Downstream Processing MCQs | Page 1 of 3

Discover more Topics under Biochemical Engineering

Q1.
The disk centrifuge is the type of centrifuge used most often for bio separations due to its

a.

continuous operation

b.

lesser cost

c.

higher speed

d.

ease in operation

Discuss
Answer: (b).lesser cost
Q2.
The effectiveness of a solvent can be measured by the

a.

distribution coefficients

b.

selectivity

c.

both (a) and (b)

d.

diffusivity

Discuss
Answer: (c).both (a) and (b)
Q3.
The stage wise operation of adsorption is called

a.

contact filtration

b.

conventional adsorption

c.

affinity adsorption

d.

ion exchange

Discuss
Answer: (a).contact filtration
Q4.
Which of the following is not the physical method for the cells rupturing?

a.

Milling

b.

Homogenization

c.

Ultrasonication

d.

Enzymatic digestion

Discuss
Answer: (d).Enzymatic digestion
Q5.
Conventional adsorption is a

a.

reversible process

b.

irreversible process

c.

either reversible or irreversible

d.

none of these

Discuss
Answer: (a).reversible process
Q6.
Maintenance cost varies from

a.

0-4% of the capital cost

b.

12-16% of the capital cost

c.

4-8% of the capital cost

d.

8-12% of the capital cost

Discuss
Answer: (c).4-8% of the capital cost
Q7.
The optimum wet solid content for the cell suspension for a bead mill is typically somewhere between

a.

5-15% by volume

b.

15-30% by volume

c.

30-60% by volume

d.

60-90% by volume

Discuss
Answer: (c).30-60% by volume
Q8.
Assuming the laminar flow across the filter, the rate of filtration (dVf/dt) can be expressed as a function of pressure drop Dp by the modified D'Arcy's equation as (where A is the area of filtering surface, K is the D'Arcy's filter cake permeability and L is the thickness of the filter cake)

a.

(1/A) dVf/dt = ฮ”p/ฮผ(L/K)

b.

dVf/dt = (1/A)ฮ”p/ฮผ(L/K)

c.

(1/A) dVf/dt = ฮ”p/ฮผ LK

d.

dVf/dt = (1/A)ฮ”p/ฮผ LK

Discuss
Answer: (a).(1/A) dVf/dt = ฮ”p/ฮผ(L/K)
Q9.
Filtration leaf test results indicate that the filtration rate of a protein product is 100 dry lbs/(ft2 hr). What size production filter would be required to obtain 100 dry lbs of filter cake/hr?

a.

1.54 ft2

b.

3.08 ft2

c.

65 ft2

d.

65 lbs/ ft2.hr

Discuss
Answer: (a).1.54 ft2
Q10.
Selectivity can be expressed as

a.

ratio of the distribution coefficients in different solute

b.

mass fraction of the solute in the extract phase at equilibrium

c.

mass fraction of the solute in the raffinate phase

d.

ratio of the mass fraction of the solute in the extract phase to the raffinate phase

Discuss
Answer: (a).ratio of the distribution coefficients in different solute
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