Unit 306: Hot Water Systems PPT1 PH2

What is the primary difference between vented and unvented hot water systems?

• Vented systems use a storage tank, while unvented systems do not.

• Unvented systems use a storage tank, while vented systems do not.

• Both systems use storage tanks.

• Neither system uses storage tanks.

In a hot water system, a _______ system typically requires a storage tank.

• vented

• unvented

• both

• neither

Which of the following is a criterion to consider when designing a hot water system for a dwelling?

• Color of the walls

• Size of the property

• Type of flooring

• Brand of appliances

When installing a hot water system, the _______ of fuel to be used is an important consideration.

• color

• type

• brand

• price

What is a 'passive dead leg' in the context of water supply regulations?

• A pipe that is too short

• A pipe that is too long

• A pipe that has no water flow

• A pipe that is not insulated.

Larger properties require more hot water, which may be supplied by ________.

• Smaller hot water cylinder

• Instantaneous hot water

• Cold water storage

• Electric heaters

Which of the following is an important factor when considering the number of hot water outlets?

• The color of the boiler

• The type of fuel used

• The exclusion of certain appliances like a combination boiler

• The size of the room.

The property location and fuels available need to be considered when choosing the types of fuel. This includes rural or urban locations and the possible need for ________.

• color matching

• fuel storage

• window size

• furniture arrangement

What are the costs that need to be considered over the lifetime of a plumbing and heating system?

• Initial purchase costs

• Installation costs

• Ongoing maintenance costs

• All of the above.

Systems and appliances are becoming more efficient due to regulations like ______.

• Approved Document Part L

• Renewable Energy Act

• Energy Efficiency Directive