Unit 206: Domestic hot water systems practice test

1

Which one of the following pieces of information will be provided by the
installation plan?

1

The water supply (water fittings) regulations 1999 lay down:

1

Which one of the following hot water components should be fixed using flexible
connections?

1

A rigid pipework hot water system has a working pressure of 4bar. At what
pressure should the pipework be tested for soundness?

1

To prevent electrolytic corrosion taking place in a system, where can the
magnesium rod be placed?

1

Guidance on the installation procedures for domestic hot water systems can be
found in:

1

In a customer’s property, the CWSC supplies both the hot and cold water
systems. The minimum size of this cistern is:

1

Which of the following appliances is most likely to offer the customer low pressure
at a hot water outlet?

1

What is this item?

1

If hard water is allowed to be heated above 65oC, what could be the consequence
in the system?

1

What is used at a basin outlet to prevent contamination of the water system?

1

A customer has intermittent flow of hot water from their bath tap – what is the
most likely cause of the problem?

1

What is the primary function of the open vent on a domestic hot water system?

1

To overcome a dead leg for a hot water draw-off point, what course of action
could be taken?

1

To prevent the risk of legionella forming in a dead leg it should be:

1

What type of shower is this?

1

Identify one advantage of a stored hot water system in a domestic property.

1

18. Which one of the following heat sources is regarded as a renewable source of
energy?

1

19. Where would state the maximum flow rate and temperature for a particular
pumped shower that has been installed?

1

20. Under Building Regulations part G, what is a new or replacement immersion
heater required to have?

1

Which of the following cylinder types is a direct cylinder?

1

22. The connection for a secondary circulation system return should be made at what
point in the hot water cylinder?

1

23. If a system is prone to limescale build ups, this shows:

1

Unit 206: Domestic hot water systems

Unit 206: Domestic hot water systems practice test

Unit 206: Domestic hot water systems practice test

Which one of the following pieces of information will be provided by the installation plan?

The water supply (water fittings) regulations 1999 lay down:

Which one of the following hot water components should be fixed using flexible connections?

A rigid pipework hot water system has a working pressure of 4bar. At what pressure should the pipework be tested for soundness?

To prevent electrolytic corrosion taking place in a system, where can the magnesium rod be placed?

Guidance on the installation procedures for domestic hot water systems can be found in:

In a customer’s property, the CWSC supplies both the hot and cold water systems. The minimum size of this cistern is:

Which of the following appliances is most likely to offer the customer low pressure at a hot water outlet?

What is this item?

If hard water is allowed to be heated above 65oC, what could be the consequence in the system?

What is used at a basin outlet to prevent contamination of the water system?

A customer has intermittent flow of hot water from their bath tap – what is the most likely cause of the problem?

What is the primary function of the open vent on a domestic hot water system?

To overcome a dead leg for a hot water draw-off point, what course of action could be taken?

To prevent the risk of legionella forming in a dead leg it should be:

What type of shower is this?

Identify one advantage of a stored hot water system in a domestic property.

18. Which one of the following heat sources is regarded as a renewable source of energy?

19. Where would state the maximum flow rate and temperature for a particular pumped shower that has been installed?

Which one of the following pieces of information will be provided by the
installation plan?

Which one of the following hot water components should be fixed using flexible
connections?

A rigid pipework hot water system has a working pressure of 4bar. At what
pressure should the pipework be tested for soundness?

To prevent electrolytic corrosion taking place in a system, where can the
magnesium rod be placed?

Guidance on the installation procedures for domestic hot water systems can be
found in:

In a customer’s property, the CWSC supplies both the hot and cold water
systems. The minimum size of this cistern is:

Which of the following appliances is most likely to offer the customer low pressure
at a hot water outlet?

If hard water is allowed to be heated above 65oC, what could be the consequence
in the system?

A customer has intermittent flow of hot water from their bath tap – what is the
most likely cause of the problem?

To overcome a dead leg for a hot water draw-off point, what course of action
could be taken?

18. Which one of the following heat sources is regarded as a renewable source of
energy?

19. Where would state the maximum flow rate and temperature for a particular
pumped shower that has been installed?

20. Under Building Regulations part G, what is a new or replacement immersion
heater required to have?

22. The connection for a secondary circulation system return should be made at what
point in the hot water cylinder?