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Lv 3 6189 cold water

Quiz by Keith Denham

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27 questions
Show answers
  • Q1
    What is the component pictured used for
    Question Image
    Restricting flow
    Reducing pressure
    Removing debris
    Isolation of a supply
    30s
  • Q2
    What type of back flow prevention device is shown
    Question Image
    ED
    BA
    AB
    EC
    30s
  • Q3
    How can the operation of a back flow protection device be confirmed
    Simulate a reduction of pressure down stream of the device
    Simulate a reduction of pressure up stream of the device
    Simulate a increase of pressure down stream of the device
    Isolate and open the outlet
    30s
  • Q4
    What category of water is the valve shown protecting against
    Question Image
    4
    5
    1
    3
    30s
  • Q5
    How often does this type of device need to be commissioned, Every:-
    Question Image
    2 years
    Year
    5 years
    6 months
    30s
  • Q6
    When would the valve shown be used
    Question Image
    To reduce pressure
    To remove debris
    To reduce flow
    To isolate a supply
    30s
  • Q7
    What device can be use to aid water conservation
    Flow limiting valve
    Quarter turn tap
    RPZ Valve
    Pressure reducing valve
    30s
  • Q8
    What back flow protection would be required for a shower mixer when the shower head can be submerged in Cat 3 water?
    BA valves on the hot and cold supplies to the mixer valve
    ED valves on the hot and cold supplies to the mixer valve
    EB valves on the hot and cold supplies to the mixer valve
    AUK2
    30s
  • Q9
    What is the valve shown in the picture
    Question Image
    Main isolator
    Flow regulator
    Pressure reducing valve
    In line strainer
    30s
  • Q10
    Identify the component pictured
    Question Image
    Essex flange
    Surrey flange
    Suffolk flange
    Sussex flange
    30s
  • Q11
    What is the fitting shown used for
    Question Image
    Additional connection to a toilet cistern
    Additional connection to a hot water cylinder
    Connection to a CWSC
    Conection to a F&E cistern
    30s
  • Q12
    What is the component shown in the picture
    Question Image
    Float switch
    Float valve
    Flow switch
    Pressure switch
    30s
  • Q13
    The device pictured can be used for what purpose in a boosted cold water system
    Question Image
    Stops pumps if the break tank runs dry
    Operates the pump when the accumulator is empty
    Operates the pump when outlets are opened
    Stops the pump when the brake tank is full
    30s
  • Q14
    Where work is NOT being carried out by an approved contractor notice is required for the installation of:-
    a pump delivering 9lt/min direct from the undertakers main
    A bath more than 230 litres capacity
    a single shower unit
    an over the rim bidet
    30s
  • Q15
    A notice to the water undertaker of installation/use compliance must be in writing
    True
    False
    30s

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