WorksheetsHot Water Systems Quiz
Total questions: 30
Worksheet time: 15mins
What is a feature of hot water systems?
Vented cylinders
Air conditioning
Refrigeration
Insulation
Which year were The Water Regulations established?
1999
2005
2010
1995
What type of directory is mentioned in the sources of information?
Directory of fittings (WRAS approved)
Directory of plumbing tools
Directory of water resources
Directory of building materials
What does BS 6700 cover?
Workmanship on building sites
Design, installation, testing and maintenance
Electrical safety standards
Environmental regulations
BS 8000 pt15 is a code of practice for which services?
Electrical services
Hot and cold water services
Gas installations
Air conditioning systems
What are the two main categories of hot water systems according to the diagram?
Centralised and Localised
Direct and Indirect
Gas-fired and Electric
Thermal and Storage
Which type of system includes a "Thermal store"?
Centralised system
Localised system
Gas-fired system
Electric system
What is a feature of the "Unvented / mains-fed system"?
Direct
Indirect
Gas-fired
Electric
What is a common feature of centralised stored hot water systems?
They use a combination boiler.
They heat water on demand.
They use a hot water cylinder centrally located in an airing cupboard.
They do not require a cold water storage cistern.
How is the water heated in a centralised stored hot water system?
By solar panels.
By a boiler or immersion.
By an electric heater.
By a gas stove.
What type of boiler is used in a centralised instantaneous hot water system?
A solar boiler.
A combination boiler.
A steam boiler.
A wood-fired boiler.
How does a centralised instantaneous hot water system heat water?
It heats water continuously.
It heats water on demand.
It stores hot water in a tank.
It uses solar energy to heat water.
What happens when a user turns on a hot water tap in a centralised instantaneous hot water system?
The system stores water for later use.
The system heats water on demand.
The system shuts down.
The system releases cold water first.
Which of the following is a type of boiler that provides primary heat for a hot water cylinder?
Floor standing
Wall-mounted
Electric heater
Solar panel
What is a system boiler?
A boiler that heats water directly from the mains
A boiler that requires a separate water tank
A boiler that is used for industrial purposes
A boiler that uses solar energy
What happens when the cylinder thermostat calls for heat?
The lights turn on
The air conditioning starts
The boiler and pump are energized
The windows open
What type of system is commonly installed today for plumbing and domestic heating?
Centralised open vented indirect pumped primaries
Direct vented heating systems
Closed loop direct systems
Solar heating systems
Which component is responsible for heating water in an open vented indirect system?
Cold feed pipe
Boiler
Open vent pipe
Cold water storage cylinder
What is the purpose of the cold water storage cylinder in a plumbing system?
To heat water
To store cold water
To distribute hot water
To vent excess steam
Which component is used to manage the expansion of water in a plumbing system?
Open vent pipe
Feed and expansion cistern
Hot distribution pipe
Heat exchanger coil
What is the role of a boiler in a hot water system?
To heat the water
To store cold water
To filter the water
To control water pressure
Which component is responsible for heating water in an indirect hot water tank?
Heat exchanger coil or calorifier
Float or ball valve
Overflow warning pipe
Service valve
What is the purpose of the feed and expansion cistern in a hot water system?
To provide a constant supply of water
To control the temperature of the water
To allow for the expansion of water as it heats
To filter impurities from the water
Which part of the system is responsible for regulating the temperature in a specific area?
Cylinder thermostat
System bypass
Room thermostat
Programmer
In a direct hot water cylinder system using a boiler, what is absent in the cylinder?
Heat exchanger coil
Vent pipe
Circulating pump
Thermostat
Where is the heat source circulator located in this system?
Inside the cylinder
Behind a solid fuel fire
On the roof
In the basement
What is the temperature difference between the top and bottom of a hot water cylinder when it is up to temperature?
5°C
10°C
15°C
20°C
What do indirect hot water cylinders normally have as a backup?
Solar panel
Electric heater
Back-up immersion
Gas burner
What is a requirement for all immersion heaters installed today?
A reset button or cut-out device
A digital display
A remote control
A solar panel
What is the typical power rating for domestic immersion heaters?
3kW
5kW
1kW
10kW
