9189 - Phase 2 - Unit 306 - Hot Water Systems

Where on a domestic hot water cylinder should the cold feed be connected?

• Bottom
• Top
• Middle
• A third of the way up

What sort of tap would be best suited for an elderly person with arthritis?

• Bib tap
• Long neck pillar tap
• Non-rising tap
• Quarter turn tap

What is meant by the term 'heat recovery'?

• The time taken for the boiler to get to temperature
• The time taken for the primaries to start heating the cylinder
• The time taken to heat up a full cylinder of hot water
• The time taken for the cylinder thermostat to activate the boiler

What does this diagram show?

• Electric shower
• Double impeller pump
• Gravity shower
• Single impeller shower

What does WRAS stand for?

• Water Revival Advanced Scheme
• Winter Regulations and Spring
• Water Regulations Advisory Scheme
• Water Ripples and Systems

If there is a faulty fullway gate valve in the system, what should you do?

• Replace the back nut to release the fault
• Replace the body of the valve and leave the head gear
• Lubricate the body to release the fault
• Replace the whole valve

Which is the best description of category 1 water?

• Water stored at 60 degrees Celsius
• Wholesome water
• Water that offers a slight health risk
• Water that has a mild chemical added

What device is used to protect category 1 water from being contaminated by category 2 water?

• RPZ valve
• AUK1 air gap
• Single check valve
• AG air gap

If a hot water appliance had a fault, where would you look for guidance?

• BSEN806
• The Water Supply (Water Fittings) Regulations
• The manufacturer's instructions
• Building Regulations Part L

Which Building Regulation states that one of these valves must be fitted before the outlet on any new bath installed?

• Part H
• Part L
• Part G
• Part P