L1 Plumbing Revision Installation Repair & Maintenance

The rainwater cycle consists of which of the following elements to work (tick all that apply)

• Heat from the sun

• Evaporation

• Water Vapour and water saturated clouds

• Precipitation from rain, sleet or snow

• Water from deep wells

Name two sources of water

• River

• Spring

• Deep Well

• Shallow well

• Water saturated clouds

Bib taps are commonly used where?

• Cleaners sinks

• Basins

• Kitchen sink

• Belfast or London Sinks

Pillar taps are most commonly used where?

• London sink

• Belfast sink

• Basins

• Kitchen sink

Bi-flow mixer taps can normally be found where?

• Kitchen sink

• Cleaners sink

• Belfast sink

• Baths

Isolation valves are normally used on

• High pressure systems (Direct)

• Low pressure systems (Indirect)

• On the incoming main

• On radiators

Screw down stop valves are normally placed where on the system? Choose all that apply

• Portsmouth Part 1 float operated valve

• Incoming water main

• Part 2 diaphragm float operated valve

• On high and low pressure systems

Fullway gate valves are usually situated in?

• High pressure systems

• Low pressure systems

• WC toilet cisterns

• Cold water storage cisterns

Cold water storage cisterns usually have an inlet control valve. Which of these could be used. Choose all that apply below.

• Portsmouth float part 1 operated valve

• Diaphragm float operated valve part 2

• Fullway gate valve

• Screwdown stop valve

Diaphragm float operated valve part 3 and Equilibrium float operated valve part 4 are used where?

• W.C. toilet cisterns

• Cold water storage cisterns

• Incoming mains cold water

• to control waste outlet through soil stack