PP1 Hot Water Systems Quiz

Which document contains guidelines for designing and installing a hot water system?

• Building Regulations

• British Standards

• WRAS standards

• City and Guilds regulations

What is the new British Standard that covers the supply of water at domestic properties?

• BS1566

• BS806

• BS6700

• BS8558

What factors should be considered in the selection and design of a hot water system?

• Type of fuel

• Installation costs

• Available services

• All the above

What are the two main categories of hot water systems installed in properties?

• Direct and indirect

• Gas-fired and electric

• Single feed and double feed

Which type of hot water system is no longer installed but commonly found in older properties?

• Direct system

• Indirect single feed

• Indirect double feed

• Combination unit

What is the main advantage of an indirect single feed system?

• Less risk of scale formation

• Heating can be easily incorporated

• Quick heat-up time

• Can use inhibitor on primary side

How is the primary and secondary water separated in an indirect cylinder

• By air lock system

• By the coil

• By thermostat control

• By pump circulation

What is the purpose of a thermostatic mixing valve in a hot water system?

• To store water at high temperature

• To distribute water at high temperature

• To blend water to a safe temperature

• To deliver water at low temperature

What is the maximum temperature of the water supplied to prevent scalding?

• 43–46⁰C

• 35–43⁰C

• 60–65⁰C

• 50–55⁰C

What is the purpose of a recovery chart in a hot water system?

• To estimate time to reheat used hot water

• To measure hot water usage

• To control discharge temperatures

• To determine storage quantity