Unit Operations and Mass Transfer MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Unit Operations and Mass Transfer, 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 Unit Operations and 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 Unit Operations and Mass Transfer mcq questions that explore various aspects of Unit Operations and Mass Transfer problems. Each MCQ is crafted to challenge your understanding of Unit Operations and Mass Transfer 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 Unit Operations and Mass Transfer MCQs are your pathway to success in mastering this essential Food Engineering topic.

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

Unit Operations and Mass Transfer MCQs | Page 13 of 19

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Q121.
Statement 1: Hydrogenation of fats involves liquid-gas phases only.
Statement 2: Hydrogenation of fats is known as slurry reactor system.
Discuss
Answer: (d).False, True
Q122.
Statement 1: Vapour-liquid-Equilibria is related to by a simple expression of Raoult’s law.
Statement 2: Raoult’s law is applicable to real gases.
Discuss
Answer: (a).True, False
Q123.
Raoult’s law is when mole fraction approaches zero and Henry’s law is applicable when concentration approaches zero.
Discuss
Answer: (a).True
Q124.
Ethanol-water mixture is a popular example of a mixture exhibiting the typical VLE curve.
Discuss
Answer: (b).False
Q125.
Statement 1: Boiling point concentration diagram plots y against x. (Mole fraction in gas and liquid phase respectively).
Statement 2: VLE curve plots y against x. (Mole fraction in gas and liquid phase respectively).
Discuss
Answer: (d).False, True
Q126.
Statement 1: Batch distillation is used for small capacity operations.
Statement 2: In food processing, batch distillation is used for desolventization.
Discuss
Answer: (b).True, True
Q127.
When a system doesn’t obey Raoult’s law, the relative volatility is the ratio of the Henry’s constants for the two systems.
Discuss
Answer: (a).True
Q128.
Liquid-liquid extraction is called leaching.
Discuss
Answer: (b).False
Q129.
If extraction is done at the _____ of the solvent, it is called _____
Discuss
Answer: (b).Boiling point, decoction
Q130.
Statement 1: Soya bean has a high oil content.
Statement 2: If the oil content is high, extraction is done by solvent extraction alone.
Discuss
Answer: (c).False, False