HOT WATER MOCK EXAM 1

What does BS EN 806 cover?

• Pipe insulation requirements

• Design, installation, testing & maintenance of water systems

• Safety regulations for gas appliances

• Electrical wiring standards

What is the purpose of Water Regulations 1999?

• To standardize boiler efficiency

• To regulate cold water pipe sizing

• To ensure safe and efficient water usage

• To manage rainwater collection

Which system heats water only when a tap is opened?

• Centralised

• Stored

• Instantaneous

• Localised

What does CWSC stand for?

• Cold Water Supply Control

• Cold Water Storage Cistern

• Central Water System Circuit

• Cylinder Water Supply Control

What is the function of an Open Vent pipe?

• To prevent backflow

• To allow for expansion and act as a safety device

• To increase water pressure

• To filter contaminants

How does an indirect cylinder heat water?

• By mixing primary and secondary water

• Through a coil heat exchanger

• Using a direct immersion heater

• By pressure expansion

Which cylinder has an internal chamber separating primary and secondary water?

• Direct Cylinder
• Immersion Heater Cylinder

• Indirect Single Feed Cylinder

• High Heat Recovery Cylinder

Which system provides mains-pressure, instantaneous hot water?

• Open vent system

• Combi boiler

• Gravity-fed system

• Indirect cylinder system

Why is insulation important for hot water pipes?

• To increase pipe durability

• To prevent energy loss and freezing

• To reduce water pressure

• To decrease water flow

Which shower system heats water using an electric element?

• Thermostatic mixer

• Instantaneous electric shower

• Bath-shower mixer

• Multi-point water heater