Explore topic-wise MCQs in Engineering Materials Metallurgy.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Materials Metallurgy knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the nature of the coefficient of resistance of an insulator?

A. Positive
B. Negative
C. Zero
D. Infinite
Answer» E.
Discussion
2.

The insulating capacity of material against high voltages is known as _______

A. Dielectric strength
B. Thermoelectricity
C. Electromechanical effect
D. Electrochemical effect
Answer» B. Thermoelectricity
Discussion
3.

Measured using an Electrical Conductivity meter, what is the order of resistivity of superconducting materials?

A. 10-8
B. 1016
C. ∞
D. 0
Answer» E.
Discussion
4.

WHAT_IS_THE_NATURE_OF_THE_COEFFICIENT_OF_RESISTANCE_OF_AN_INSULATOR??$

A. Positive
B. Negative
C. Zero
D. Infinite
Answer» E.
Discussion
5.

What_is_the_dielectric_strength_of_mica?$

A. 118 MV/m
B. 2000 MV/m
C. 3 MV/m
D. 1012 MV/m
Answer» B. 2000 MV/m
Discussion
6.

The insulating capacity of a material against high voltages is known as ______?

A. Dielectric strength
B. Thermoelectricity
C. Electromechanical effect
D. Electrochemical effect
Answer» B. Thermoelectricity
Discussion
7.

Which of the following processes is not an application of thermoelectric effect?

A. Seebeck effect
B. Peltier effect
C. Thomson effect
D. Ettingshausen effect
Answer» E.
Discussion
8.

What is the electrical resistivity of Copper?

A. 1.59 * 10<sup>-8</sup>
B. 1.68 * 10<sup>-8</sup>
C. 2.65 * 10<sup>-8</sup>
D. 5.9 * 10<sup>-8</sup>
Answer» C. 2.65 * 10<sup>-8</sup>
Discussion
9.

What is the electrical conductivity of Aluminum?

A. 6.3 * 10<sup>7</sup>
B. 5.9 * 10<sup>7</sup>
C. 3.5 * 10<sup>7</sup>
D. 1 * 10<sup>7</sup>
Answer» D. 1 * 10<sup>7</sup>
Discussion
10.

What is the attribute of a material which resists the flow of electricity known?

A. Conductivity
B. Thermoelectricity
C. Dielectric strength
D. Resistivity
Answer» E.
Discussion