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WorksheetsElectrical Heating
Total questions: 15
Worksheet time: 15mins
In underfloor heating what is a cold tail
Part of the heating mat that dose not heat up and is used for connections
The cables that run under the floor to heat the floor
The supply cable that runs from the DB to the spur.
The cable that runs between the spur to the thermostat.
State the two main types of heat transference used in space heating
Convection and Conduction
Radiation and Convection
Conduction and Radiation
Conduction and Transference
What is the term Economy 7 related to?
This is the make of heaters installed
This relates to the 7 hours of off peak electricity used to heat up storage heaters
This relates to the 7 hours of on peak electricity used to heat up storage heaters
This is known and the type of system relating to a back boiler within a domestic propery
The image shown is a device........
Used for heating air in a duct system
Fitted in a night storage heater to heat up the bricks
Fitted in an immersion tank used to heat water
Used to measure the temperature of water in an economy 7 system
What temperature should the thermostat of a immersion heater be set at?
55-60
60-65
50-55
65-70
The image shown is a
Night storage heater
Panel heater
Portable electric heater
Electric radiator
What size cable should be used to feed a shower above the rating of 8.5kW
10mm
4mm
6mm
2.5mm
What device in a shower prevents the user from receiving burns from over hot water
Scald Guard Thermostat
Scald Guard Resistor
Anti Burn Protection Unit
Non-Return Valve
What are the dangers of the hot water supply temperature set too low?
Freeze burns
Legionella
The operating system seizing
A build up of sludge in the system
What is the most common/comfortable setting for a room thermostat to be set at in a domestic property?
20° C
19°C
21°C
25°C
The following statement relates to a central heating programmer
An electronic device used to operate the hot water and central heating both manually and on a timed basis.
An electronic device used to make connections for the system to operate
An electronic device used to operate immersion heaters and storage heaters
An electronic device used to operate and switch between the Economy 7 tariff.
The image shown is....
A tank Thermostat
An immersion heater
A central heating connection unit
An actuator for a 3 port valve
The image shown is a....
Y-plan wiring diagram
Z-plan wiring diagram
S-plan wiring diagram
T-plan wiring diagram
What are the benefits of using underfloor heating
Warm toes and radiant heat
Economical and easy to install
Low running costs and instant heat
Low installation costs and no heat dissipation.
Bricks are installed in a night storage heater to...
Help the stability of the heater
Avoid easy transportation of the heater
Store the heat then release when called upon
Reduce the running costs of the heater
