Magnetic and Insulating Materials MCQs

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

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

Magnetic and Insulating Materials MCQs | Page 4 of 7

Q31.
An electrically insulating material has a resistivity that is ____ times greater than that of copper.
Discuss
Answer: (d).10²¹
Q32.
The resistance of an insulating material ______ as the temperature increases.
Discuss
Answer: (b).Decreases
Q33.
Ionic conductivity of a material can be increased by _______
Discuss
Answer: (a).Absorption of water
Q34.
Cork has a low thermal conductivity of _____ W/m K.
Discuss
Answer: (c).0.07
Q35.
The measure of loss of energy in a material is defined as _____
Discuss
Answer: (b).Dissipation factor
Q36.
Which of the following is both a good electrical insulator and thermal conductor?
Discuss
Answer: (a).Diamond
Q37.
The insulating materials resist degradation by stability against chemical reaction over ________
Discuss
Answer: (a).Temperature and oxygen
Q38.
Cellular concrete is used for ______ insulation.
Discuss
Answer: (c).Sound
Q39.
Which insulating material does a combination of magnesium oxychloride and gelatin produce?
Discuss
Answer: (d).Acoustic plaster
Q40.
Which of the following is an application of asbestos?
Discuss
Answer: (a).Fireproofing
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