Gas Operative basic skills test

• Document No.

• Audit Title

• Personnel

• Client / Site

• Prepared by

• Conducted on

  Date

CCN1 (Core Elements)

• Combustion air can be taken from a Bathroom or Shower room.

  true

  false

• Compartment ventilation is only required where an open flue appliance is installed in a compartment.

  true

  false

• The definition of a flue is a passage for conveying the products of combustion from an appliance to outside atmosphere.

  true

  false

• Only balanced flue appliances are permitted in sleeping area's

  true

  false

• Pipes shall traverse a cavity wall through a continuous sleeve by the shortest practicable route.

  true

  false

• When uncompleted jobs are left unattended the installation and work area must be left safe.

  true

  false

• Landlords are required to have appliances installed in their rented accommodation tested for safety on a yearly basis

  true

  false

• A permanent notice shall be prominently displayed on or near to all emergency controls indicating the actions to be taken in the event of an escape of gas

  true

  false

• CO2 and H2O are produced as a result of the complete combustion of natural gas and liquid petroleum gasses.

  true

  false

• Electronic portable flue gas analysers that calculate CO2 levels from an O2 measurement are regarded as being suitable for measuring ambient levels of CO2 in dwellings.

  true

  false

Appliances

• CKR1

Cooker

• A freestanding cooker fitted between kitchen units will still require a stability device to be fitted

  true

  false

• The plugin connection should be sited approximately 600mm from the floor to ensure the flexible tubing will hang in a loop behind the appliance without touching the floor.

  true

  false

• When an appliance is found with a defective flame supervision device, the device may be by-passed until a replacement part is fitted provided the customer agrees to the action and the appliance is suitably labelled.

  true

  false

• Where a cooker is installed with a stability bracket there is no requirement regarding proximity of combustible surfaces.

  true

  false

• A liquid expansion flame supervision device may remain in the open position if the sensing tube is broken causing the liquid to drain out of the control.

  true

  false

• CENWAT

Heating

• A fan assisted flue system fitted to a wall hung central heating appliance must incorporate a means of isolating the supply if the fan should fail.

  true

  false

• A flueless sink water heater may be installed to supply a dishwasher.

  true

  false

• Back boilers located behind a gas fire are exempt from a landlords responsibility regarding servicing and safety checks.

  true

  false

• A modureg can be described as a servo which acts upon a regulator, by altering the voltage applied to the modureg solenoid the burner is automatically adjusted.

  true

  false

• The terminal of a balanced flue boiler should be protected with a guard if there is any risk that persons may come into contact with the terminal.

  true

  false

• HTR1

Fire

• A brick chimney with dimensions of 225mm x 225mm will normally be adequate for a domestic gas fire

  true

  false

• An open flue gas fire must be able to operate correctly whether or not extract or ceiling fans are running, even if the fans are located in a different room to the gas fire.

  true

  false

• The physical condition of a fuel effect gas fire should be checked before the appliance is connected to the gas supply and flue system.

  true

  false

• A screw down restrictor elbow is an acceptable means of shutting of the gas supply to a radiant convector gas fire with reference to regulation 26 of the gas safety regulations.

  true

  false

• If the fan proving switch fitted to a gas fire / heater which has a mechanically powered flue fails to the open position, The main gas valve will remain open.

  true

  false

Signatures

• Auditor

  Sign

• Operative

  Sign