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WorksheetsPP5 hot water Types of Shower 1.2 Mixer Valves
Total questions: 17
Worksheet time: 9mins
Which type of shower is fed directly from the mains water supply
Cistern-fed shower
Instantaneous electric shower
Solar-powered shower
What is the minimum head required for the shower mixer valve in a cistern-fed/gravity mixer system?
1m
2m
0.5m
1.5m
Where should the connection of cold water feed to the hot water cylinder be in relation to the cold feed for the shower in a cistern-fed/gravity mixer system?
The connection should be lower than the cold for the shower.
The connection should be at the same level as the cold for the shower.
The connection should be higher than the cold for the shower.
The connection does not need to be specifically placed in relation to the cold for the shower.
What is the purpose of making the connection of cold water feed to the cylinder at a higher level than the cold for the shower in a cistern-fed system with a booster pump?
To ensure that the hot water runs out first
To prevent air from being trapped around the impeller
To increase the water pressure for the shower
To reduce the amount of water used by the shower
Where should a single impellor booster pump be fitted in relation to the position of the mixer valve?
Before the mixer valve
After the mixer valve
Instead of the mixer valve
Parallel to the mixer valve
Identify the component labeled in the diagram that prevents backflow in the system.
Expansion vessel
In-line strainer
Single-check valve
Tundish
What is the range of the electric element's power in an instantaneous electric shower?
5–8 Kw
8.5–11 Kw
10–15 Kw
12–18 Kw
What is the purpose of the double-pole isolating switch in the basic wiring requirements for electric showers?
To control the water temperature
To isolate the electrical supply for maintenance and safety
To regulate the water pressure
To indicate the power status of the shower unit
What type of shower installation is shown in the diagram
Electric shower
Gravity shower
Single impeller pumped
Twin impeller pumped
What type of shower valve is this
Single impeller pumped
Single lever manual
Dual lever
Thermostatic
What is this piece of shower equipment used for
To boost the hot water to mains feed shower valve
To boost the water to an electric instantaneous shower
To boost the pre-mixed supplies after the shower valve
To boost the water to a bath/shower mixer
What is this
A thermostatic shower cartdridge
A surrey flange
A non return valve
A tap cartridge
What is this type of shower
Instantaneous gas shower
Instantaneous electric shower
Gravity shower
Pumped shower
What is this type of shower called
Bath and shower mixer tap
Bath mixer
Thermostatic shower valve
Bar type shower valve
What type of shower sytyem is this
Instantaneous electric
All- in-one power shower
Instantaneous gas shower
Cavity mixer valve
What does this component prevent when used with a shower hose
Scalding
Back siphonage
Reserved circulation
The pump running dry
What does this piece of shower equipment do
Boost both the hot and cold water supplies to a shower valve
Boost the temperture of the hot water to a shower
Boost the pre-mixed water after the shower valve
Boost the cold mains water to an electric Instantaneous shower
