Sedimentation and Centrifuge Techniques MCQs

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

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Sedimentation and Centrifuge Techniques MCQs | Page 4 of 8

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Q31.
Statement 1: Which mixture is used when one of the components is very less in quantity?
Statement 2: This mixer is used to mix items in savory or a snack item.

a.

Ribbon mixer, planetary mixer

b.

Planetary mixer, double cone mixer

c.

Double cone mixer, double cone mixer

d.

Planetary mixer, planetary mixer

Discuss
Answer: (c).Double cone mixer, double cone mixer
Q32.
Which of the following is true with respect to mixing operations in the food industry?

a.

Ice creams

b.

Confectionery products

c.

Chlorinated waters

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q33.
Which of the following is NOT an application of mixing solids in the food industry?

a.

Biscuit/bakery making

b.

Poultry and cattle feed

c.

Chips and snacks industry

d.

None of the mentioned

Discuss
Answer: (d).None of the mentioned
Q34.
Which of the following is NOT a mixing involved with fluids in the food industry?

a.

Soup powders

b.

Carbonated drinks

c.

Oxygen transfer in fermentation broths

d.

None of the mentioned

Discuss
Answer: (a).Soup powders
Q35.
Which of the following does NOT include power required for mixing by an impeller?

a.

Rheological nature of the fluid

b.

Friction in the motor

c.

Speed, nature and type of the impeller

d.

None of the mentioned

Discuss
Answer: (b).Friction in the motor
Q36.
Power required for a gassed system is more than that required for an ungassed system.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q37.
Statement 1: Froude number relates the gravitational effect which is important when the liquid is agitated by an impeller.
Statement 2: When NΚ€β‚‘,α΅’ < 300, NFr is ineffective.

a.

True, False

b.

True, True

c.

False, False

d.

False, True

Discuss
Answer: (b).True, True
Q38.
With respect to the relationship between the power number and the impeller Reynolds’s number, which amongst the following statements is true?

a.

In the turbulent region, the NΚ€β‚‘,α΅’ has no impact over Nβ‚šβ‚’

b.

In the transient region, the NΚ€β‚‘,α΅’ has no impact over Nβ‚šβ‚’

c.

In the laminar region, the Nβ‚šβ‚’ continually falls as NΚ€β‚‘,α΅’ increases

d.

None of the mentioned

Discuss
Answer: (a).In the turbulent region, the NΚ€β‚‘,α΅’ has no impact over Nβ‚šβ‚’
Q39.
Statement 1: In the transient zone, the power input depends on the density and viscosity of the fluid.
Statement 2: In the laminar zone, the power input depends on the density only. It is independent of the viscosity of the fluid.

a.

True, False

b.

True, True

c.

False, False

d.

False, True

Discuss
Answer: (a).True, False
Q40.
Statement 1: For non-Newtonian fluids, another term called apparent viscosity is used as their viscosity changes with the change in the shear rate.
Statement 2: For non-Newtonian fluids, between the transition region, the power number for non-Newtonian fluids is slightly higher than that for Newtonian fluids.

a.

True, False

b.

True, True

c.

False, False

d.

False, True

Discuss
Answer: (a).True, False
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