HW pp1-1

Which part of the Building Regulations is related to water?

The purpose of the Directory of fittings is to:

• provide a list of suitable fittings

• offer installation instructions

• give pricing information

• list manufacturers

What are the two main categories of hot water supply systems?

Which system does not require stored water?

• Gravity-fed system

• Combination boiler system

• Vented system

• Unvented / mains-fed system

The primary flow and return from the boiler relies on ________ to transfer heat from the boiler to the cylinder.

• convection

• conduction

• radiation

• evaporation

What is the purpose of the spherical ball type service valve?

• To regulate the flow of liquid

• To measure pressure

• To act as a safety device

• To connect two pipes

The function of a Hot water cylinder in these systems is to:

• store hot water for later use

• cool down the water

• filter impurities from water

• increase water pressure

The function of a cold water storage cistern in these systems is to:

• store water and accommodate its expansion

• Store water

• Allow for expansion

• provide water to the cylinder

What is the function of a Cold feed pipe in these systems?

• To supply cold water to the system

• To regulate the temperature of the system

• To provide insulation to the system

• To drain excess water from the system

The component responsible for controlling the flow of water into the cold water storage system is:

• Isolation Valve

• FOV

• Filter

• Stop valve