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Plumbing Materials Quiz

Total questions: 77

Worksheet time: 39mins

Name
Class
Date
1.

Which of the following is NOT listed as a property of plumbing materials in the image?

a)

Steel

b)

Iron

c)

Wood

d)

Plastic

2.

Which of the following materials is mentioned in the image as a type of plumbing material?

a)

Glass

b)

Non-ferrous metals

c)

Rubber

d)

Concrete

3.

Which material listed in the image is commonly used for making pipes in plumbing?

a)

Steel

b)

Wood

c)

Glass

d)

Rubber

4.

What type of metals are included in the properties of plumbing materials according to the image?

a)

Precious metals

b)

Ferrous metals

c)

Rare metals

d)

Heavy metals

5.

Which of the following is a non-metallic material listed in the image for plumbing?

a)

Iron

b)

Plastic

c)

Steel

d)

Alloys

6.

Which of the following is NOT a pure metal used in plumbing?

a)

Iron

b)

Copper

c)

Aluminium

d)

Plastic

7.

What characteristic is true for ferrous metals?

a)

They are non-magnetic.

b)

They do not corrode.

c)

They contain iron.

d)

They are gained from ore.

8.

Which of the following metals is ferrous?

a)

Copper

b)

Aluminium

c)

Lead

d)

Iron

9.

What is a common property of ferrous metals if not treated?

a)

They become non-magnetic.

b)

They corrode easily.

c)

They become pure metals.

d)

They do not change.

10.

What are alloys commonly used in the plumbing industry?

a)

Mixtures of metals and non-metals

b)

Mixtures of two or more metals

c)

Pure metals

d)

Non-metallic compounds

11.

Which of the following is an alloy of copper and zinc?

a)

Bronze

b)

Gunmetal

c)

Brass

d)

Steel

12.

What metals make up bronze?

a)

Copper and zinc

b)

Copper and tin

c)

Copper, tin, and zinc

d)

Iron and carbon

13.

Which alloy is made of copper, tin, and zinc?

a)

Brass

b)

Bronze

c)

Gunmetal

d)

Steel

14.

What metals are combined to form steel?

a)

Copper and zinc

b)

Copper and tin

c)

Iron and carbon

d)

Copper, tin, and zinc

15.

What are non-ferrous metals?

a)

Metals that contain iron

b)

Metals that do not contain iron

c)

Metals that contain only copper

d)

Metals that contain only zinc

16.

What are some of the uses of plastics in plumbing?

a)

Only for cold water

b)

Only for hot water

c)

For cold water, hot water, central heating, guttering, above ground drainage, and below ground drainage

d)

Only for central heating

17.

What is a characteristic of thermoplastic when it is frozen?

a)

It becomes flexible

b)

It becomes brittle

c)

It melts

d)

It remains unchanged

18.

What is thermoplastic made from?

a)

Metal alloy

b)

Natural rubber

c)

Polymer resin

d)

Glass fiber

19.

Which of the following is true about thermoplastics?

a)

They cannot be recycled

b)

They can be heated and re-shaped

c)

They are only used for cold water pipes

d)

They are not suitable for any plumbing applications

20.

Which of the following materials is not suitable for hot water applications?

a)

PVCu

b)

MDPE

c)

HDPE

d)

All of the above

21.

What is a common characteristic of both MDPE and HDPE?

a)

Suitable for hot water

b)

Degrades in sunlight

c)

Used for cold water only

d)

Not suitable for underground mains

22.

Which material is used for underground mains and is color-coded blue?

a)

PVCu

b)

MDPE

c)

HDPE

d)

All of the above

23.

Which material is described as unplasticised polyvinyl chloride?

a)

MDPE

b)

HDPE

c)

PVCu

d)

All of the above

24.

Which of the following materials is used for soil pipes and waste and overflow pipes?

a)

MDPE

b)

HDPE

c)

PVCu

d)

All of the above

25.

Which thermoplastic is used for waste pipes, overflow, and CWSC?

a)

Polypropylene

b)

Polybutylene

c)

ABS Acrylonitrile Butadiene Styrene

d)

PVC

26.

Which thermoplastic degrades in direct sunlight and feels slightly greasy to the touch?

a)

Polypropylene

b)

Polybutylene

c)

ABS Acrylonitrile Butadiene Styrene

d)

PVC

27.

Which thermoplastic is used for cold water, hot water, and central heating?

a)

Polypropylene

b)

Polybutylene

c)

ABS Acrylonitrile Butadiene Styrene

d)

PVC

28.

Which thermoplastic is known for being solvent welded and degrades in sunlight?

a)

Polypropylene

b)

Polybutylene

c)

ABS Acrylonitrile Butadiene Styrene

d)

PVC

29.

Which thermoplastic is used for commercial water, waste, and overflow?

a)

Polypropylene

b)

Polybutylene

c)

ABS Acrylonitrile Butadiene Styrene

d)

PVC

30.

What are thermosetting plastics?

a)

Plastics that can be recycled and cope with high temperatures

b)

Rigid plastics that can cope with high temperatures but are not recyclable

c)

Flexible plastics that can be recycled and cope with low temperatures

d)

Rigid plastics that cannot cope with high temperatures and are recyclable

31.

Which of the following is an example of a thermosetting plastic?

a)

Polyethylene

b)

Polypropylene

c)

Formica

d)

Polyvinyl chloride

32.

Which of the following is NOT a property of thermosetting plastics?

a)

They are rigid

b)

They can cope with high temperatures

c)

They are recyclable

d)

They are not recyclable

33.

Which of the following is another example of a thermosetting plastic besides Formica?

a)

Polyethylene

b)

Bakelite

c)

Polypropylene

d)

Polyvinyl chloride

34.

What is mass measured in?

a)

Newtons

b)

Kilograms

c)

Pounds

d)

Grams

35.

What is the force of gravity pulling on a mass called?

a)

Mass

b)

Weight

c)

Volume

d)

Density

36.

What is the approximate value of 1 kg in newtons?

a)

5N

b)

9.81N

c)

15N

d)

20N

37.

Which of the following equations correctly represents the relationship between weight, mass, and gravity?

a)

weight = mass / gravity

b)

weight = mass + gravity

c)

weight = mass x gravity

d)

weight = gravity - mass

38.

What happens to our weight if we go to the moon?

a)

It increases

b)

It decreases

c)

It stays the same

d)

It doubles

39.

What happens to our mass if we go to the moon?

a)

It increases

b)

It decreases

c)

It stays the same

d)

It doubles

40.

What property of solid materials can cause them to have different weights even if they are the same size and shape?

a)

Color

b)

Density

c)

Temperature

d)

Flexibility

41.

What is the formula to find the density of an object?

a)

density = volume / mass

b)

density = mass * volume

c)

density = mass / volume

d)

density = volume - mass

42.

Heat transfer through differing materials can vary according to their density. Which of the following is an example of a heat exchanger that transfers heat from dry to wet?

a)

Boiler

b)

Warm air unit

c)

Radiator

d)

DHWC

43.

Which of the following materials is a good conductor of heat?

a)

Wood

b)

Plastic

c)

Copper

d)

Rubber

44.

What is the process by which heated molecules pass on heat to the adjoining material called?

a)

Convection

b)

Radiation

c)

Conduction

d)

Insulation

45.

Which of the following is an example of a heat exchanger that transfers heat from wet to dry?

a)

Boiler

b)

Warm air unit

c)

Radiator

d)

DHWC

46.

Which of the following is an example of a heat exchanger that transfers heat from wet to wet?

a)

Boiler

b)

Warm air unit

c)

Radiator

d)

DHWC

47.

What is relative density?

a)

The comparison of the volume of material

b)

The comparison of the mass of material

c)

The comparison of the weight of material

d)

The comparison of the temperature of material

48.

What is the density of water?

a)

0.5

b)

1

c)

2

d)

1.5

49.

What will happen to a solid or liquid with a density of more than 1 when placed in water?

a)

It will float

b)

It will sink

c)

It will dissolve

d)

It will evaporate

50.

What will happen to a solid or liquid with a density of less than 1 when placed in water?

a)

It will float

b)

It will sink

c)

It will dissolve

d)

It will evaporate

51.

What is the density of air?

a)

0.5

b)

1

c)

2

d)

1.5

52.

What will happen to a gas with a density of more than 1 when placed in air?

a)

It will rise

b)

It will sink

c)

It will dissolve

d)

It will evaporate

53.

What will happen to a gas with a density of less than 1 when placed in air?

a)

It will rise

b)

It will sink

c)

It will dissolve

d)

It will evaporate

54.

Which of the following materials has a relative density of 0.90 and floats in water?

a)

Aluminium

b)

Polythene

c)

uPVC

d)

Copper

55.

What is the relative density of water?

a)

0.90

b)

1.28

c)

1.00

d)

2.70

56.

Which material has the highest relative density among the following?

a)

Aluminium

b)

Cast Iron

c)

Copper

d)

uPVC

57.

Which of the following materials will rise in air due to its relative density?

a)

Natural gas

b)

Propane

c)

Butane

d)

uPVC

58.

Which material has a relative density of 1.5 and sinks in water?

a)

Natural gas

b)

Air

c)

Propane

d)

Butane

59.

What is the behavior of air in water based on its relative density?

a)

Float

b)

Sink

c)

Mix

d)

Rise

60.

Which of the following properties of plumbing materials is determined by the arrangement and behavior of molecules under certain conditions?

a)

Color

b)

Strength

c)

Shape

d)

Size

61.

Which property of plumbing materials refers to their ability to withstand deformation under stress?

a)

Hardness

b)

Malleability

c)

Elasticity

d)

Durability

62.

What property of plumbing materials is related to their ability to conduct heat and electricity?

a)

Thermal expansion

b)

Conductivity

c)

Hardness

d)

Durability

63.

Which property of plumbing materials describes their ability to be shaped or bent without breaking?

a)

Strength

b)

Hardness

c)

Malleability

d)

Elasticity

64.

What is the term for the property of plumbing materials that allows them to return to their original shape after being stretched or compressed?

a)

Durability

b)

Elasticity

c)

Ductility

d)

Hardness

65.

What does tensile strength measure in plumbing materials?

a)

How well a material conducts electricity

b)

How strong a material is when stretched or pulled

c)

The thermal resistance of a material

d)

The density of a material

66.

In what units is tensile strength measured?

a)

Kilograms

b)

Liters

c)

Newtons per square meter (N/m²) or pascals

d)

Joules

67.

Which of the following materials might break when subjected to tensile strength testing?

a)

Plastic

b)

Metal

c)

Concrete

d)

All of the above

68.

What does compressive strength measure in plumbing materials?

a)

The ability of a material to conduct electricity

b)

The ability of a material to resist being crushed

c)

The ability of a material to absorb water

d)

The ability of a material to resist heat

69.

What can happen to materials with low compressive strength when they are crushed?

a)

They will melt

b)

They will shatter or distort

c)

They will expand

d)

They will become more flexible

70.

What is shear strength in the context of plumbing materials?

a)

The ability of a material to withstand compressive forces.

b)

The ability of a material to withstand tensile forces.

c)

The ability of a material to withstand opposing forces.

d)

The ability of a material to withstand thermal forces.

71.

Which of the following is an example of shear strength?

a)

Bending a metal rod.

b)

Compressing a spring.

c)

Scissors cutting paper.

d)

Heating a metal plate.

72.

What is ductility sometimes known as?

a)

Hardness

b)

Toughness

c)

Brittleness

d)

Elasticity

73.

Which material is mentioned as being very ductile in the text?

a)

Steel

b)

Aluminum

c)

Copper

d)

Plastic

74.

What does ductility refer to in materials?

a)

The ability to conduct electricity

b)

The ability to resist corrosion

c)

The ability to be pulled, pushed, or stretched without breaking

d)

The ability to absorb heat

75.

What does malleability refer to in materials?

a)

The ability to conduct electricity

b)

The ability to resist corrosion

c)

The ability to be compressed without fracturing

d)

The ability to float on water

76.

Which material is mentioned as being very malleable?

a)

Copper

b)

Iron

c)

Lead

d)

Aluminum

77.

What happens to a material when it is hammered or rolled if it is malleable?

a)

It changes shape without cracking

b)

It breaks into pieces

c)

It melts

d)

It becomes brittle

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