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Brake pads video exercise

Total questions: 1

Worksheet time: 7mins

Name
Class
Date

1-10.

Answer the questions below after watching the video

1.

Who is credited with inventing the first brake pads?

a)

Henry Ford

b)

Bertha Benz

c)

Enzo Ferrari

d)

Karl Benz

2.

What type of friction involves a thin layer of brake pad material bonding to the rotor?

a)

Abrasive friction

b)

Adherent friction

c)

Kinetic friction

d)

Static friction

3.

What is the dynamic friction coefficient (DFC) of a normal commercial brake pad?

a)

Around 0.62 to 0.70

b)

Around 0.50 to 0.55

c)

Around 0.35 to 0.42

d)

Around 0.15 to 0.25

4.

What is a unique feature of most consumer brake pads?

a)

Magnetic attachment

b)

Carbon coating

c)

Warning tang

d)

Self-cleaning mechanism

5.

Which material was previously used in brake pads due to its heat dissipation properties but discontinued for health reasons?

a)

Copper

b)

Steel

c)

Asbestos

d)

Carbon Fiber

6.

What is the primary component of organic brake pads?

a)

Rubber and resin

b)

Copper and graphite

c)

Glass and Kevlar

d)

Steel and iron

7.

What is the main disadvantage of organic brake pads?

a)

They wear out quickly

b)

They are very expensive

c)

They only work in high temperatures

d)

They produce a lot of noise

8.

What percentage of metal do semi-metallic brake pads contain?

a)

30% to 65%

b)

90% to 100%

c)

70% to 85%

d)

10% to 25%

9.

What is the main advantage of ceramic brake pads?

a)

They offer the highest dynamic friction coefficient

b)

They are the cheapest option

c)

They produce minimal noise and dust

d)

They are the most durable in cold climates

10.

What is the cost range of carbon ceramic brake pads?

a)

More than $15,000

b)

Up to $1,000

c)

Up to $5,000

d)

Up to $10,000