8202L3HWPPT7Q2

What must the pressure in the system be in relation to the resistance offered by the fitting for the system to flow?

• Less than the resistance

• Equal to the resistance

• Greater than the resistance

• Not related to the resistance

What is the equivalent of 1 bar in kPa according to the plumbing material document?

• 10 kPa

• 100 kPa

• 1000 kPa

• 1 kPa

What is the purpose of cold water storage cisterns in domestic properties?

• To heat water for domestic use

• To assist in the delivery of cold water to appliances at low pressure

• To store hot water for domestic use

• To generate water pressure for appliances

Why are cold water storage cisterns (CWSC) no longer required with the introduction of certain systems?

• Because of the introduction of solar water heating systems

• Due to the introduction of electrical water heating systems

• With the introduction of combination boilers and unvented hot water systems (high pressure)

• After the implementation of water conservation regulations

Where do traditional designs store cold water in a plumbing system?

• In the basement

• In the loft area in a cistern

• Outside the building

• In the kitchen

What is the purpose of using head pressure in traditional plumbing designs?

• To heat the water

• To distribute hot water through the house

• To distribute cold water through the hot water cylinder via a cold feed

• To reduce water usage

According to BS 6700, what is the recommended minimum storage of cold water for indirect systems that supply both cold and hot water outlets?

• 115L

• 230L

• 150L

• 200L

If a cistern is only supplying either the hot or the cold water outlets, what can the minimum storage be reduced to?

• 115L

• 230L

• 150L

• 200L

What has been changing over recent years in plumbing systems?

• The increase in the use of traditional cisterns

• The preference for systems that require more stored water

• The use of combination boilers and unvented systems that do not require stored water

• The requirement for larger cisterns

What is the primary use of bronze pumps in hot water systems?

• They are used to increase water pressure.

• They are used for secondary hot water circulation.

• They are used to purify water.

• They are used to heat the water.