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Strength of Materials

Total questions: 35

Worksheet time: 18mins

Name
Class
Date
1.

Using the stress-strain curve above, what is the yield strength for aluminum?

a)

≈ 130 Mpa

b)

≈ 250 Mpa

c)

≈ 230 Mpa

d)

≈ 200 Mpa

2.

Using the stress-strain curve above, what is the tensile strength for steel?

a)

≈ 350 Mpa

b)

≈ 250 Mpa

c)

≈ 230 Mpa

d)

≈ 200 Mpa

3.

What does point A, B, D, E represent, respectively?

a)

A: Yield Strength, B: Modulus of Elasticity, D: Tensile Strength, E: Strength at Failure

b)

A: Modulus of Elasticity, B: Yield Strength, D: Tensile Strength, E: Strength at Failure

c)

A: Modulus of Elasticity, B: Yield Strength , D: Tensile Strength, E: Strength at Failure

d)

A: Yield Strength, B: Modulus of Elasticity, D: Strength at Failure, E: Tensile Strength

4.

Which of the following are items that do not affect the tensile strength of a member?

a)

cross-sectional area

b)

length

c)

material

d)

shape

e)

density

5.

Using the stress-strain curves provided, which of the two materials experiences more plastic deformation?

a)

Material #1

b)

Material #2

6.

Using the stress-strain curves provided above, which of the two materials shown is more brittle?

a)

Material #1

b)

Material #2

7.

These materials can be easily shaped, stretched, and are sometimes elastic.

a)

metals

b)

polymers

c)

ceramics/glass

d)

composites

8.

Material can conduct heat and electricity, can be hammered into a shape, or drawn into a wire.

a)

metals

b)

polymers

c)

ceramics

d)

glass

9.

A force is defined as a

a)

push

b)

pull

c)

stretch

d)

push & pull

10.

A material’s ability to resist denting or scratching is called:

a)

toughness

b)

hardness

c)

tension

d)

torsion

11.

You push your finger into a ball of play-doh and it keeps its new shape. This is an example of

a)

elasticity

b)

plasticity

c)

hardness

d)

tensile strength

12.

Toughness is the ability to absorb energy and:

a)

twist

b)

resist fracture or breaking

c)

bend

d)

dent

13.

Rusting is an example of a(n)

a)

chemical property

b)

physical property

c)

toughness

d)

amorphous property

14.

Name the following mechanical property

a)

shear

b)

torsional

c)

compressional

d)

tensional

15.

Name the following mechanical property

a)

Shear

b)

compressional

c)

torsional

d)

tensional

16.

According to the stress-strain curve below, which of the following materials are the strongest?

a)

metal

b)

ceramic/glass

c)

polymer

d)

composite

17.
Respond to changes in temperature by changing colour, t-shirts, mugs and temperature strips
a)
Nanomaterials
b)
Thermochromic materials
c)
Integrated electronics
d)
Thermochronic Materials
18.
Amazing strength to weight ratio and is easily moulded/shaped. Resistant to corrosion, rigid/stiff and quite expensive.
a)
Kevlar
b)
Carbon fibre
c)
GRP
d)
Tungsten
19.
They change colour depending on the amount of light hitting the surface. By far the most common use of this is in light-sensitive glasses, such as sunglasses.
a)
Reflective Films
b)
Phosphorescent pigments
c)
Holograms
d)
Photochromic Materials
20.
Good strength to weight ratio. Easily moulded/shaped and is resistant to corrosion. Durable and relatively inexpensive.
a)
GRP ( Glass reinforced plastic)
b)
Polmorphic
c)
Kevlar
d)
Smart Ceramics
21.
Material made from a combination if two or more different materials, in layers or in a mixture
a)
Lamination
b)
Layering
c)
Composite
d)
Alloy
22.
A composite material is made of 
a)
A single material
b)
Two or more separate materials
c)
Two or more chemically combined materials
d)
None of these
23.

What is Ferrous metal

a)

Material that has good electrical resistance

b)

Metal that consists of Chromium

c)

Metal that has non magnetic properties

d)

Metal that has iron as a base metal

24.

Which metal is commonly used for Car bodies and girders?

a)

Tin

b)

Mild steel

c)

high Carbon steel

d)

Stainless steel

25.

Which metal is commonly used for Machine tools, vices and engine blocks

a)

Cast iron

b)

Mild steel

c)

high Carbon steel

d)

Stainless steel

26.

The main component of glass is ...

a)

silium

b)

silica

c)

sodium

d)

boride

27.

What type of glass does the image show?

a)

Tempered

b)

Laminated

28.

Toughened or Tempered glass does what when it breaks?

a)

Breaks into sharp shards

b)

Forms a shatter but is kept held together

c)

Breaks into small, unsharp pieces

d)

Doesn't really break at all

29.

Identify the metal forming process shown in the image

a)

Shell Casting

b)

Hot Rolling

c)

Extrusion

d)

Lost Wax Casting

30.

Which of the following stress–strain curves is typical of glass under tensile load?

a)
b)
c)
d)
31.

Which metal is commonly used for Cutlery, kitchen sinks, door handles?

a)

Tin

b)

Lead

c)

Aluminium

d)

Stainless steel

32.

Which metal is commonly used for Coating steel food cans, solder?

a)

Tin

b)

Lead

c)

Aluminium

d)

Copper

33.

Which metal is commonly used for Roof flashing, batteries, radiation shielding?

a)

Brass

b)

Lead

c)

Aluminium

d)

Copper

34.

Which metal is commonly used for Alloyed with other materials to make bike frames, aeroplane parts?

a)

Brass

b)

Bronze

c)

Aluminium

d)

Copper

35.

Which metal is commonly used for Electrical wires, heating pipes and pots?

a)

Brass

b)

Bronze

c)

zinc

d)

Copper