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 2 of 7

Q11.
What is the temperature at which a change from the anti-ferromagnetic phase to paramagnetic phase occurs?
Discuss
Answer: (b).Curie
Q12.
The hysteresis loss in soft magnetic materials must be kept ______
Discuss
Answer: (b).Minimum
Q13.
The supermaloy primarily composed of ________________
Discuss
Answer: (a).Nickel
Q14.
Which of the following is an example of soft magnetic material?
Discuss
Answer: (a).Permalloy
Q15.
What is the relative permeability of iron?
Discuss
Answer: (a).250
Q16.
The heat treatment of alnico alloys at _____ results in phase separation.
Discuss
Answer: (d).800°C
Q17.
What is the hysteresis loss of permalloy?
Discuss
Answer: (b).120
Q18.
Which of the following is a property of a hard magnetic material?
Discuss
Answer: (d).High residual induction
Q19.
A _____ cooling rate solidifies metallic glass made from iron- base alloys.
Discuss
Answer: (d).10000°C s⁻¹
Q20.
Which of the following is not a use of magnesium-manganese ferrites?
Discuss
Answer: (c).Wires
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