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Smart Gas

Quiz by Alan Moth

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20 questions
Show answers
  • Q1
    What component maintains the normal working pressure in a gas installation?
    Appliance
    Regulator
    ECV
    Meter
    30s
  • Q2
    Who is allowed to break the seal on a regulator?
    Gas Safe engineer
    An OAMI
    OFGEM operative
    Competent person
    30s
  • Q3
    How would you identify a medium pressure installation?
    The meter would be on an outside wall
    All of the above
    Reset lever on the regulator
    A plastic pressure relief tube connected to the regulator
    30s
  • Q4
    What is the working pressure for a regulator?
    22mbar +/- 2mbar
    20mbar +/- 2mbar
    21mbar +/- 2 mbar
    19mbar +/- 2mbar
    30s
  • Q5
    When testing for tightness on an installation where NO appliances are fitted. The maximum permissible pressure drop for a U6 meter is?
    4mbar
    2mbar
    0mbar
    8mbar
    30s
  • Q6
    For which type of meter would it be permissible to have an 8mbar pressure loss.
    E6
    G4
    U6
    U16
    30s
  • Q7
    What is the duration of a tightness test?
    1 min
    2 mins
    0 mins
    4 mins
    30s
  • Q8
    Electronic token meters must be handled with extra care, why?
    To avoid tilting/locking off the meter
    To avoid mis-reading
    To avoid losing credit
    To avoid damage to the meter
    30s
  • Q9
    If a meter control valve is letting by, list the actions you would take?
    Contact ESP
    All of the above
    Remove Inlet from ECV and test with LDF
    Turn off the gas supply
    30s
  • Q10
    What does the term standing pressure mean?
    When gas is flowing
    When all appliances are on
    When no gas is flowing
    When 1 appliance is on
    30s
  • Q11
    On an appliance not fitted with a regulator (ie a gas cooker) how is the operating pressure controlled?
    Distance of appliance from meter
    Appliance injector size
    Installation pipe diameter
    Meter Regulator
    30s
  • Q12
    How many appliances are required to be on when checking working pressure?
    2
    1
    3
    4
    30s
  • Q13
    On an existing installation with 22mm pipe with appliances connected and an ultrasonic E6 meter is installed, the permissible pressure drop allowed over the 2 minute test period providing there is no smell of gas is?
    0 mbar
    1 mbar
    8 mbar
    4 mbar
    30s
  • Q14
    Main equipotential bonding should be positioned?
    Either side of the meter
    Within 600mm of the meter on the outlet side
    Within 600mm of the meter on the inlet side
    Inside the gas meter box only
    30s
  • Q15
    A temporary continuity bond should be used when?
    Testing for tightness
    Purging
    Teeing into a supply
    Checking burner pressure
    30s

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