NEW
Font size
WorksheetsDomestic hot water systems
Total questions: 15
Worksheet time: 8mins
What type of hot water cylinder is this
Indirect double feed cylinder
Indirect single feed cylinder
Combination type cylinder
Direct single feed cylinder
What type of hot water stroage vessel is this
Pressurised unvented
Open vented
Combination type
Hot jacket type
What type of hot water storage cylinder is this
Indirect single feed
Primatic
Combination "Fortic"
Double feed unvented
What energy means of heating water are sustainable
Electric immersion heater
Solar panels
LPG boiler
Condensing boiler
What type of water heater is classed as a localised water heater
What is this hot water component called
Immersion heater
Immersion spanner
Expansion valve
Immersion beater
This hot water component is called
Hampshire Flange
Berkshire Flange
Essex Flange
Surrey Flange
The safety device incorporated inside an immersion heater is called
A thermostat
A thermal cut out
A thermometer
A resistor-stat
To avoid Parasitic circulation in a HW cylinder vent pipe the length of horizontal pipework should be a minimum of how many mm
405mm
554mm
450mm
540mm
What is this device called
A TMV Thermostatic mixing valve
A TSV Thermostatic shower valve
A TRV Thermostatic radiator valve
A TCV thermostatic cylinder valve
Thermostatic mixing valves should blend the hot and cold water to a bath or shower valve to what maximum temperature C
60
43
38
55
A pump is required on a secondary circulation system- what should the pump be made from
Cast Iron
Ferrous metal
Any heating pump will do as long as its metal
Bronze
What is the name of this type of hotwater storage cylinder
Primatic single feed
Indirect double feed vented
Thermal hot store or hot jacket
Unvented pressurised
What is the name for the metal strip placed inside a hotwater cylinder to help prevent corrosion
Sacrificial lamb
Corrosion anode
Statistical Anode
Sacrificial anode
At which temperature range does Legionnaire disease thrive
0-15
46-55
60-100
20-46
