Hot Water System Quiz

What happens when a hot tap is opened?

• Cold water is pushed into the hot water cylinder.

• Hot water is pushed into the cold water cylinder.

• Cold water is pushed into the cold water cylinder.

• Hot water is pushed into the hot water cylinder.

Which component is likely used to store water in the system?

• Electrical panel

• Cold-Water storage cistern

• Gas cylinder

• Solar panel

What are the two types of tank connectors mentioned?

• Compression and push fit

• Screw and bolt

• Clip and lock

• Twist and seal

According to which standard is the cold feed sized?

• BS6700

• ISO9001

• ANSI150

• DIN5000

Where must a service valve be installed on a rising main to the CWSC?

• After the float operated valve

• Just prior to the float operated valve

• At the end of the rising main

• Near the water heater

What type of valve must be installed on the cold feed pipe?

• Ball valve

• Butterfly valve

• Fullway gate valve

• Check valve

Where is the fullway gate valve generally found?

• In the basement

• In the kitchen

• In the loft or airing cupboard

• In the garage

Where is the fullway gate valve located in the installation diagram?

• On the hot water feed

• On the cold feed

• On the return line

• On the overflow pipe

Why must the initial part of the hot distribution pipe slightly rise towards the open vent?

• To increase water pressure.

• To prevent water from cooling.

• To allow air to migrate towards the open vent.

• To reduce noise in the pipes.

What is the consequence of air being trapped in the pipe?

• Increased water flow

• Air lock

• Reduced water temperature

• Pipe expansion