Hot Water Systems 1.4 part 2 Quiz

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

• To prevent scalding by mixing hot and cold water to a safe temperature

• To limit the flow of water to a specific rate

• To circulate hot water in a secondary system

• To control the flow rate of water

Which type of TMV offers better control of water temperature when subject to variations and pressure fluctuations?

• TMV3

• TMV2

• Flow limiting taps

• Circulating pumps

Where are flow limiting taps and valves often used?

• In central heating systems

• In public buildings

• In domestic baths

• When an appliance or outlet has a specific flow rate requirement

What is the primary purpose of circulating pumps in hot water systems?

• To mix hot and cold water to a safe temperature

• To circulate hot water in a secondary system

• To control the flow rate of water

• To prevent rust formation in the hot water

What is the mandatory requirement for new bath installations in terms of TMV?

• TMV3 must be fitted

• TMV2 must be fitted

• Flow limiting taps must be fitted

• A TMV must be fitted