Domestic Hot Water 6035-02 | Part 2

Building regulations Part G state water should not exceed a temperature of 48°C to prevent?

• Overheating

• Scalding

• Water wastage

• Wasted energy

Water that is heated in a hot water cylinder and then distributes the hot water, it is known as: 

• Instantaneous hot water

• Stored hot water

Which of the following documentations need to be handed over to the customer apon completion?

• Warrantee

• Benchmark certificate

• Manufacturer's instructions

• All of the above

STATEMENT: A single impellor booster pump can be used after the mixer valve.

• True

• False

Which of the following is an advantage to having 'stored water'?

• Takes up more space than a driect system

• More expensive to install

• Suitable for areas with low water pressure

• A longer heat-up time

Which of the following are correct connection method for the tank connectors? (Choose 2)

• Pushfit connection

• Soldered connection

• Compression connection

• Glued connection

Of the following, which is NOT an indication to an immersion heater fault?

• Longer heat-up time

• No hot water

• MCB tripping

• Fuse blowing

What component is this image shown?

• Blending valve

• Tundish

• Immersion stat

• Pressure relief valve

Which valve relies on a sensing device that expands and contracts, maintaining the required temperature?

• Stop valve

• Cylinder stat

• Thermostatic valve

• Boiler thermostat

When a pump is pumping water below the existing CWSC, it is called?

• Negative head

• Back siphonage

• Latent pressure

• Positive head