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Understand the materials used in maintenance engineering

Total questions: 40

Worksheet time: 7mins

Name
Class
Date
1.

What is one of the key characteristics of materials that affects their ability to be shaped without breaking?

a)

Density

b)

Ductility

c)

Electrical conductivity

d)

Wear resistance

2.

Which of the following is a characteristic that describes a material's ability to return to its original shape after deformation?

a)

Elasticity

b)

Hardness

c)

Toughness

d)

Brittleness

3.

What type of materials include metals, plastics, composites, and natural solids?

a)

Organic materials

b)

Synthetic materials

c)

Metallic and non-metallic materials

d)

Ceramic materials

4.

Which characteristic is important for materials used in electrical applications?

a)

Malleability

b)

Electrical conductivity

c)

Toughness

d)

Plasticity

5.

What is the term for a material's ability to resist wear and tear?

a)

Elasticity

b)

Wear resistance

c)

Ductility

d)

Plasticity

6.

Which of the following is a thermoplastic polymer?

a)

Nylon

b)

Silicon

c)

Bakelite

d)

Urea formaldehyde

7.

What is a typical form of supply for materials used in fabrications?

a)

Strip

b)

Sheet

c)

Castings

d)

Fabrications

8.

Which type of corrosion involves the rate of change in material condition due to chemical reactions?

a)

Chemical corrosion

b)

Electrolytic corrosion

c)

Galvanic series

d)

Thermal corrosion

9.

Which of the following is a characteristic of thermosetting polymers?

a)

They can be remolded.

b)

They include materials like silicon and bakelite.

c)

They are flexible at high temperatures.

d)

They are used in lubricants.

10.

Which of the following is a factor affecting corrosion?

a)

Cladding

b)

Structural design

c)

Supply availability

d)

Physical appearance

11.

Which process is used for metal surface protection and finishing?

a)

Resistance to wear

b)

Electroplating

c)

Safety considerations

d)

Environmental demands

12.

What is a factor to consider when selecting component parts?

a)

Anodizing

b)

Temperature

c)

Cost considerations

d)

Metal composition

13.

Which of the following is related to resistance to corrosion?

a)

Non-metallic coatings

b)

Mechanical requirements

c)

Tin plating

d)

Chromating

14.

Which of the following is a standard provided by organizations such as BSI, ISO, and Lloyds?

a)

Parts and materials form

b)

Long term repair considerations

c)

Standards

d)

Parts information

15.

What is an example of parts information?

a)

Wear and tear

b)

Drawings and equipment supplier’s specification

c)

Fatigue failure

d)

Life cycle completion

16.

Which of the following is a potential failure type due to misuse?

a)

Wear and tear

b)

Fatigue failure

c)

Through misuse

d)

Sudden failure

17.

What type of failure occurs with no obvious cause?

a)

Wear and tear

b)

Fatigue failure

c)

Indication of approaching failure

d)

Sudden failure

18.

Which of the following materials is known for its high electrical conductivity?

a)

Aluminum

b)

Rubber

c)

Glass

d)

Wood

19.

What is the primary characteristic of a material that determines its ability to be drawn into wires?

a)

Hardness

b)

Brittleness

c)

Ductility

d)

Elasticity

20.

Which of the following processes is used to increase the hardness of a metal surface?

a)

Annealing

b)

Tempering

c)

Electroplating

d)

Quenching

21.

What is the term for a material's ability to absorb energy and plastically deform without fracturing?

a)

Brittleness

b)

Hardness

c)

Elasticity

d)

Toughness

22.

Which process is used to improve the surface finish and dimensional accuracy of a metal part?

a)

Annealing

b)

Grinding

c)

Quenching

d)

Tempering

23.

What is the primary factor that affects the thermal conductivity of a material?

a)

Electrical conductivity

b)

Surface finish

c)

Material composition

d)

Density

24.

What is the primary property of a material that determines its ability to conduct heat?

a)

Thermal conductivity

b)

Electrical conductivity

c)

Density

d)

Elasticity

25.

Which of the following materials is known for its high tensile strength?

a)

Plastic

b)

Wood

c)

Steel

d)

Rubber

26.

What is the term for a material's ability to withstand deformation under load?

a)

Hardness

b)

Plasticity

c)

Elasticity

d)

Strength

27.

What is the term for a material's ability to conduct electricity?

a)

Optical clarity

b)

Thermal conductivity

c)

Electrical conductivity

d)

Magnetic permeability

28.

Which of the following materials is known for its high thermal resistance?

a)

Glass

b)

Rubber

c)

Plastic

d)

Ceramic

29.

What is the process called that involves heating a material to a high temperature and then cooling it slowly to remove internal stresses?

a)

Annealing

b)

Hardening

c)

Tempering

d)

Quenching

30.

What is the process called that involves rapidly cooling a heated metal to increase its hardness?

a)

Annealing

b)

Electroplating

c)

Tempering

d)

Quenching

31.

Which property of a material is crucial for its use in high-temperature environments?

a)

Electrical conductivity

b)

Thermal resistance

c)

Ductility

d)

Elasticity

32.

What is the term for the gradual deformation of a material under constant stress over time?

a)

Brittleness

b)

Elasticity

c)

Creep

d)

Fatigue

33.

What is the primary property of a material that determines its ability to resist deformation under stress?

a)

Hardness

b)

Plasticity

c)

Elasticity

d)

Strength

34.

Which of the following materials is known for its excellent corrosion resistance?

a)

Copper

b)

Stainless steel

c)

Iron

d)

Aluminum

35.

What is the term for a material's ability to be stretched into a thin wire without breaking?

a)

Ductility

b)

Hardness

c)

Malleability

d)

Elasticity

36.

Electroplating is a process whereby a metal surface is coated with a non-metal.

a)

True

b)

False

37.

Types of corrosion?

a)

Chemical

b)

Electrolytic

c)

Metallic

d)

Di-electric

38.

Multiple select the various forms of supply of materials

a)

 Strip

b)

Sheet

c)

Castings

d)

Forgings

e)

Extrusions

39.

What is a common reason for potential failure of components

a)
Wear and tear
b)

Physical appearance

c)

Fatigue failure

d)

Being a composite

40.

What is the process called that involves coating a metal with zinc to prevent rusting?

a)

Quenching

b)

Annealing

c)

Tempering

d)

Galvanizing