ECA101 Week 2 Topic

Question 1

What is the primary focus of Material Science and Engineering (MSE)?

Accepted Answer

Understand the relationships structure,properties,and performance of mat'ls

Question 2

Who primarily uses knowledge of material science in their field?

Accepted Answer

Electronics Engineers

Question 3

Which of the following best defines “properties” in MSE?

Accepted Answer

The measurable characteristics of a material under certain conditions

Question 4

Which of the following is NOT a typical class of engineering materials?

Accepted Answer

Liquids

Question 5

What connects the Stone Age, Bronze Age, and today’s smartphones?

Accepted Answer

The use and advancement of materials

Question 6

Which era marked the first major use of materials by humans?

Accepted Answer

Stone Age

Question 7

Which of the following is a key reason why material selection is critical in electronics?

Accepted Answer

Electrical and thermal performance

Question 8

The structure of a material refers to:

Accepted Answer

The arrangement of atoms or molecules

Question 9

What type of material is commonly used as a semiconductor in electronics?

Accepted Answer

Silicon

Question 10

Why is it important to understand the structure–property–performance relationship?

Accepted Answer

To predict how a material will behave in a specific application

Questions 10