8202 Cold water PT1

Multiple Choice

Which of the following processes is responsible for water returning to the atmosphere in the rainwater cycle?

• Evaporation

• Condensation

• Precipitation

• Infiltration

Multiple Choice

Which process in the rainwater cycle involves water molecules moving apart?

• Evaporation

• Precipitation

• Condensation

• Filtration

Multiple Select

Which of the following are considered surface sources of water in the UK?

• Lakes

• Wells

• Streams

• Reservoirs

Open Ended

Explain how underground sources of water are accessed and why they are not covered by Water Regulations.

Fill in the Blanks

A small drilled hole made into the ground to pump water to the surface is called a

.

Fill in the Blanks

The ability of water to absorb minerals is called

.

Open Ended

What is the difference between hard water and soft water, and how does the type of ground affect water hardness in the UK?

Multiple Choice

Which type of hard water can have its hardness removed by boiling?

• Permanent hard water

• Temporary hard water

• Soft water

• Distilled water

Fill in the Blanks

Soft water is free from calcium

and sulphates.

Multiple Choice

Which of the following water types has a Degrees Clark value between 10.5 and 14.0?

• Soft

• Moderately hard

• Slightly hard

• Very hard

Multiple Select

Select all statements that are true about the pH scale and its relevance to plumbing systems.

• A pH value of 7 indicates pure water.

• Water with a pH below 7 is acidic and can damage pipework.

• Alkaline water is represented by pH values above 7.

• Acidic water is beneficial for plumbing systems.

Open Ended

Why is it important for plumbers to be aware of the type and quality of water supplied to a property?

Multiple Choice

Which fluid category represents the highest health risk according to the table?

• Category 1

• Category 3

• Category 4

• Category 5

Fill in the Blanks

Fresh, clean water is described as

or potable.

Multiple Select

Which of the following are uses of wholesome water?

• Drinking water

• Gardening

• Personal hygiene

• Cleaning of clothes

Open Ended

Reflecting on today's lesson about the sources and properties of water, what is one question you still have or one aspect you would like to explore further?

Multiple Choice

What are the main stages of the rainwater cycle as shown in the diagram?

• Evaporation, condensation, precipitation, collection

• Evaporation, melting, freezing, runoff

• Condensation, infiltration, transpiration, precipitation

• Precipitation, absorption, filtration, evaporation