Metals

Question 1

What is the primary characteristic of metals?

Answer 1

Metals are good conductors of heat and electricity.

Question 2

True or False: Metals are typically malleable.

Answer 2

True

Question 3

Fill in the blank: The process of shaping metal by hammering or rolling is called ______.

Answer 3

forging

Question 4

What is the main difference between ferrous and non-ferrous metals?

Answer 4

Ferrous metals contain iron, while non-ferrous metals do not.

Question 5

Name a common example of a ferrous metal.

Answer 5

Steel

Question 6

What is an example of a non-ferrous metal?

Answer 6

Aluminum

Question 7

Multiple Choice: Which of the following is NOT a property of metals? A) Ductility B) Brittleness C) Conductivity

Answer 7

B) Brittleness

Question 8

What term describes the ability of a metal to be drawn into wires?

Answer 8

Ductility

Question 9

True or False: All metals rust when exposed to moisture.

Answer 9

False

Question 10

What is the process of removing impurities from metal called?

Answer 10

Refining

Question 11

Fill in the blank: The alloy made from copper and tin is known as ______.

Answer 11

Bronze

Question 12

What is the primary use of aluminum in design and technology?

Answer 12

Structural applications and lightweight components.

Question 13

Multiple Choice: Which metal is commonly used for electrical wiring? A) Iron B) Copper C) Lead

Answer 13

B) Copper

Question 14

What is the term for the ability of a metal to withstand deformation without breaking?

Answer 14

Toughness

Question 15

True or False: Stainless steel is resistant to corrosion.

Answer 15

True

Question 16

What is the primary alloying element in stainless steel?

Answer 16

Chromium

Question 17

Fill in the blank: The process of heating a metal to remove internal stresses is called ______.

Answer 17

Annealing

Question 18

What type of metal is typically used for making tools and machinery due to its hardness?

Answer 18

Tool steel

Question 19

Multiple Choice: Which of the following metals is known for its lightweight properties? A) Lead B) Titanium C) Gold

Answer 19

B) Titanium

Question 20

What is metal fatigue?

Answer 20

The weakening of a metal due to repeated stress or strain.

Question 21

True or False: Metal can be recycled without losing its properties.

Answer 21

True

Question 22

Name one advantage of using aluminum in design.

Answer 22

It is lightweight and resistant to corrosion.

Question 23

What is the main environmental concern associated with mining metals?

Answer 23

Habitat destruction and pollution.

Question 24

Fill in the blank: The process of applying a protective coating to metal is called ______.

Answer 24

Galvanizing

Question 25

What is the main difference between hot working and cold working of metals?

Answer 25

Hot working is done above the metal's recrystallization temperature, while cold working is done below.

Question 26

Multiple Choice: Which metal is most commonly used for construction? A) Bronze B) Steel C) Copper

Answer 26

B) Steel

Question 27

What is an alloy?

Answer 27

A mixture of two or more metals, or a metal and another element.