Cold Water Storage Cistern

Which of the following is a requirement for a cold water cistern?

• It should be painted in bright colors

• It should be fitted with an effective inlet control device

• It should be made of glass

• It should be placed outdoors

What is the purpose of fitting screened warning/overflow pipes in a cistern?

• To enhance the aesthetic appeal

• To warn of overflow

• To increase water pressure

• To reduce noise

Why should cisterns be insulated?

• To prevent prevent freezing and warming in hot weather

• To make them heavier

• To improve water taste

• To increase water flow

What materials are most new cisterns made from?

• Galvanised low carbon steel

• Polyethylene

• Copper

• Aluminum

Which of the following is NOT a characteristic of cisterns made from plastic materials?

• Light

• Strong

• Brittle

• Hygienic

What should be used to cut holes for pipe connections in a plastic cistern?

• Drill

• Saw

• Hole saw

• Hammer

What is required by the Water Regulations for a pipe supplying water to a cold water storage cistern?

• A non-adjustable shut-off device

• An effective adjustable shut-off device

• A manual shut-off valve

• A fixed shut-off device

Which British Standard must float-operated valves comply with for most domestic applications?

• BS1212

• BS2020

• BS3030

• BS4040

What material is the Part 2 diaphragm valve made of?

• Steel

• Copper

• Brass

• Aluminum

Why is the Part 1 Portsmouth valve not widely used on new installations?

• It is too expensive

• It is difficult to install

• It does not provide an effective air gap

• It is prone to leaks