How can ferrous metals be identified?

Steel contains iron and is used in _______ and some baths.

Ferrous metals can corrode easily if not protected and will form rust as a result.

Non ferrous metals do not rust, but can ______ over time.

List any three examples of non ferrous metals mentioned in the passage.

BRASS is a mixture of ______ and zinc.

BRONZE is a mixture of copper and ______.

STEEL is a mixture of iron and ______.

Plastics are used by plumbers for which of the following purposes?

Fill in the blank: Plumbers use plastics for ________ and cold water supplies.

Fill in the blank: Plastics are commonly used in ________ heating pipework by plumbers.

Fill in the blank: One of the uses of plastics in plumbing is for ________, which helps direct rainwater away from buildings.

Fill in the blank: Plumbers use plastics for above ground ________ pipe.

The two basic types of plastics are:

Thermoplastics can become ______ when heated and hard when cooled.

Thermoplastics can be recycled.

What happens to thermoplastics when they are frozen?

PVCu is used in ________ installations, gutterings and above ground drainage pipes.

MDPE is used for ________ cold water mains pipes.

Polypropylene is used to make cold water storage cistern and ________ ground drainage pipes.

Polybutylene is used for hot, cold and ________ heating pipes.

ABS is used for commercial cold water and above ground ________ pipes.

What is a thermosetting plastic?

Which of the following is a common thermosetting plastic used to manufacture light switches and plug sockets?

Thermosetting plastics can be reheated and reshaped after they have been set.

Ceramics are mainly used in which of the following?

Ceramics offer a ______ surface which is easily cleaned.

Which property makes ceramics suitable for sanitary appliances and tiles?

Viteous china uses a clay material with an _______ surface, and is used to manufacture bathroom appliances.

Fireclay uses a clay and _______ surface and is used to produce heavy duty appliances that are at greater risk of damage, like shower trays and sinks.

Ceramic tiles use a clay and _______ surface to offer a finish to floors and walls.

Fill in the blank: The property of a material that refers to its ability to withstand tensile, compressive, and shear forces is called _________

Fill in the blank: The property of a material that measures its resistance to deformation or scratching is called _________.

Fill in the blank: The property of a material that allows it to be drawn into wires is called _________.

Fill in the blank: The property of a material that allows it to be hammered or rolled into thin sheets is called _________.

Fill in the blank: The property of a material that enables it to conduct electricity or heat is called _________.

What is tensile strength?

Fill in the blank: The tensile strength of a material is a measure of how well or badly it reacts to being ______ or _______.

Some materials will snap, some may stretch before breaking.

Strength: The compressive strength is a measure of how much force a material can cope with before being ________.

What does compressive strength measure?

According to the passage, what are two possible outcomes when a material is subjected to compressive strength?

Strength: The ________ of a material is a measure of how a material can withstand two opposing forces acting in parallel lines – like a pair of scissors.

What is the property in a material that resists bending, scratching, abrasion, or cutting?

Fill in the blank: A _______ is the hardest material known and is used by plumbers to cut holes in masonry.

According to the passage, the material doing the cutting needs to be _______ than the material being cut.

Ductility: This is a property of a material that describes how much a material can be pulled, pushed, stretched and deformed without _________.

If a material can be hammered, bossed, rolled or pressed into shape without breaking, it is called: