Level 2 Cold Water Plumbing Exam - Version 2

What is the primary function of the Water Regulations Advisory Scheme (WRAS)?

• To regulate water bills

• To ensure plumbing fittings meet legal and safety standards

• To test the water quality in homes

• To provide insurance for plumbers

Which of the following is considered a below-ground water source?

• River

• Reservoir

• Borehole

• Lake

What is the correct sequence of water supply from the treatment plant to a home?

• Trunk Main → Principal Main → Local Main → Communication Pipe → Service Pipe

• Principal Main → Trunk Main → Local Main → Communication Pipe → Service Pipe

• Trunk Main → Local Main → Communication Pipe → Principal Main → Service Pipe

• Local Main → Principal Main → Trunk Main → Communication Pipe → Service Pipe

What device is used to measure water pressure?

• Weir cup

• Pressure gauge

• Flow restrictor

• Stop valve

What is the purpose of a drain-off valve?

• To control water flow

• To maintain pressure levels

• To empty the system fully

• To regulate temperature

What type of valve is a fullway gate valve most suited for?

• High-pressure systems

• Low-pressure gravity-fed systems

• Water heaters

• Hot water cylinders

A stop valve is primarily used for what type of system?

• Gravity-fed low-pressure systems

• Mains pressure high-pressure systems

• Radiator systems

• Wastewater systems

What is a distinguishing feature of a Part 4 float valve?

• Uses a rubber washer

• Equilibrium valve with a quieter fill

• Bottom entry only

• Only available in brass

Why should a cold water storage cistern (CWSC) be installed on plywood rather than chipboard?

• Plywood is more resistant to water damage

• Plywood is cheaper

• Chipboard is too flexible

• Plywood provides better insulation

What is the purpose of a single check valve?

• To prevent leaks

• To protect Fluid Category 1 from Fluid Category 2

• To control water flow

• To filter water impurities