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 12 of 67

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Q111.
At the same gas flow rate, the pressure drop in a packed tower being irrigated with liquid __________ that in dry packed tower.
Discuss
Answer: (a).is greater than
Discuss
Answer: (a).Ponchan-Savarit method is more accurate than McCabe-Thiele method to determine the number of theoretical stages required for the separation of non-ideal binary system by distillation.
Q113.
When the liquid phase and vapour phase of a binary system obeys Raoult's and Dalton's law respectively, the relative volatility is the ratio of
Discuss
Answer: (a).vapour pressure of component A to that of component B.
Q114.
The operation involved when the soluble material is largely on the surface of an insoluble solid and is merely washed off by the solvent is called
Discuss
Answer: (c).elutriation or elution
Discuss
Answer: (c).surface evaporation of unbound moisture occurs.
Q116.
It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%).
Discuss
Answer: (c).71 min
Q117.
The binary diffusivity in gases at atmospheric conditions is about
Discuss
Answer: (b).10โป¹ cm²/sec
Q118.
Percentage saturation is __________ the relative saturation.
Discuss
Answer: (a).always smaller than
Discuss
Answer: (a).differential distillation equation
Q120.
Which of the following is the correct ternery diagram for liquid-liquid extraction system comprising of one pair partly soluble (e.g. water-benzene-acetic acid in which A-diluent, B - solvent and C - solute)?

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A