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30 Cards in this Set
- Front
- Back
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The spec for installation and maintainence of the ILFE gas fire of max input 5.6kW net is? i BS5871-1 ii BS5871-2 iii bs5871-3 iv BS 5871 - 4 |
A. BS5871-2 |
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Where a heating stove is flued into a clay lined, brick chimney by a section of metal, twin wall flue pipe it must pass through the register plate by at least? i 25mm ii 100mm iii 125mm iv 150mm |
A. 150mm |
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A cassette fire is? i A flueless appliance ii An open flue appliance iii A room sealed appliance iv Never permitted to be installed to an unlined chimney |
A. An open flue appliance |
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A DFE is? i A highly efficient heating appliance ii An inefficient heating appliance iii A low cost method of providing a realistic "real" fire gas appearance iv Always rated at less than 7kwnet |
A. An inefficient heating appliance |
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Flueless space heaters will always require? i A catalytic panel ii An extraction fan iii Purpose provided ventilation iv To be recessed into the wall cavity |
A. Purpose provided ventilation |
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A radiant convector gas fire rated at 6kwnet (Flue category B11) fitted with an ASD could be installed in? i Bedroom ii Bathroom iii Shower room iv Compartment |
A. Bedroom |
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An ILFE rated at 5.7kwnet (Flue category B11) Would normally require i No purpose provided ventilation ii A minimum of 21cm2 purpose ventilation iii A minimum of 28.5cm2 purpose ventilation iv A minimum of 100cm2 purpose ventilation |
A. No purpose provided ventilation |
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Where a wall has been removed between dining and living room in which each room has identical DFE fires (max rated input of 10.5kw net each) and a 100cm2 brass floor vent in accordance with manufacturers instructions. What action is required due to the removal of the wall? i No action required ii Increase one vent by 35cm2 iii Increase both vents by 35cm2 iv Alternation not permitted unless one DFE is removed |
A. Increase one vent by 35cm2 |
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Ventilation for a flueless fire must be? i Provided at high and low level ii Be directed to outside iii At least 1m from the appliance iv both ii and iii |
A. both ii and iii |
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A conservatory ( which has openable windows) has a volume of 40m3 and contains a fluless space heater rated at 2.35kw net. What minimum size of ventilation is required? i No ventilation is required ii 100cm2 iii 155cm2 iv Installation not permitted |
A. 2.35kw x 1000 = 2350 2350 watts / 45 w = 52.2222 ( more than minimum = 40cm3) Installation not permitted |
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A free standing greenhouse has two flueless heaters each rated at 2.35kw net volum of the green house is 105m3 what ventilation provision is acceptible i No ventilation ii 40cm 2 at high level and 40cm2 at low level iii 80cm 2 at high level and 80cm2 at low level iv 40cm 2 at high level and 80cm2 at low level |
A. 80cm 2 at high level and 80cm2 at low level |
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The purpose of a hearth plate is? i To provide information on the correct application of the flue system ii To provide info on the commissioning requirements of the flue system iii Record that the fle system has been properly commissioned iv Advise non competent persons of the need for proper appliance selection |
A. To provide information on the correct application of the flue system |
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The minimum diameter of flue pipe for a radiant convector fire is? i 100mm ii 125mm iii 150mm iv 175mm |
A. 125mm |
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The minimum diameter of flue pipe for a radiant convector fire is? i 100mm ii 125mm iii 150mm iv 175mm |
A. 175mm |
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If a gas fire is fitted to a brick chimney, any damper must be? i Checked to ensure it is clear and fully operational ii Removed iii Permanently fixed in the open position iv Either ii or iii |
A. Either ii or iii |
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Flues constructed of pre cast blocks? i Can be used for any radiant/convector gas fire ii Can transfer to an exposed flexible metallic flue liner (provided it is fully contained within the attic / loft space) iii Must be checked internally by ise of fibre optic camera when any appliance is initially installed iv must be visually inspected |
A. must be visually inspected |
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A DFE is connected to a clay lined brick chimney and a large opening which measures 1m wide x 1.2 high. if the chimney is 8m high, what is the size diameter of the clay liner i 225mm ii 250mm iii 300mm iv 350mm |
A. 350mm ( Table 18.6.5) |
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The maximum volume of catchment void behind a radiant / convector fire is? i 247dm3 ii 475dm3 iii 650 dm3 iv 800dm3 |
A. 247dm3 |
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Which option defines the correct spec for an outset fire?
110 +/- 10mm minimum throat 50mm minimum obstruction distance |
110 minimum throat 50mm minimum obstruction distance |
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A closure plate attached to a marble surface should be? i Fixed and sealed on all 4 sides by heat resistant silicone sealant? ii Fixed and sealed on all 4 sides by intumescent sealant iii Fixed and sealed on all 4 sides by heat resistant tape iv Fixed by screws and sealed on all sides by heat resistant tape |
A. Fixed and sealed on all 4 sides by heat resistant tape |
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What temp must sealing tapes / materials used in installation of a gas fire be able to withstand before losing their adhesive properties i 100°c ii 200°c iii 250°c iv 500°c |
A. 100°c |
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A spigot restrictor is required when? i With pre- cast flues ii When there is an excessive flue draught iii When there is a poor flue draught iv Only with brick built chimneys |
A. When there is an excessive flue draught |
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No hearth is required below a radiant/convector gas fire provided i The burner is at least 50mm above any combustible floor covering ii The burner is at least 225mm above any combustible floor covering iii The burner is at least 50mm above any uncovered floor iv The burner is at least 225mm above any uncovered floor. |
A. The burner is at least 225mm above any combustible floor covering |
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A hearth used in conjuntion with an ILFE gas fire: i Must be a minimum of 12mm thick and constructed from non combustible material ii must be a minimum of 50mm thick and constructed from non combustible material iii Must extend at least 300mm either side of the flame or incandescent material iv Is not required provided a fender of at least 50mm high is provided |
A. Must be a minimum of 12mm thick and constructed from non combustible material |
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To prevent contact with the naked flame of an ILFE or DFE fitted at floor level? i A dress guard must be fitted to the fire ii A fire gaurd must be permanently fitted iii A warning label must be left attached to the fire and only removed by the customer iv A suitable hearth or fender must be installed |
A. A suitable hearth or fender must be installed |
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A gas fire is connected to a brick chimney with an internal diameter of 225mm which terminates with a chimney pot. The property is rural and there have been problems with jackdraws nesting on neighbouring properties terminals. What action should be taken in this situation. i No action required ii The pot should be removed and replaced by a terminal iii A bird guard fitted to the pot iv A CO detector to be installed in the room containing the fire |
A. A bird guard fitted to the pot |
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With an new installation of a fire an isolating valve? i Is required unless it is not reasonably practical to be fitted ii Is only required for surface connection, not concealed iii Is only required for concealed connection iv Can be fitted at the discretion of the installer |
A. Is required unless it is not reasonably practical to be fitted |
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The correct burner pressure of a modern natural gas, radiant convector gas fire is achieved by? i An appliance regulator ii Controlling the inlet supply pressure at 20mbar iii The customer adjusting the gas tap iv A liquid expansion thermostat |
A. Controlling the inlet supply pressure at 20mbar |
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An ASD will? i Cause the fire to "fail safe" in the event that the CO levels in the room reach 1.5 to 2% ii Cause the fire to "fail safe" in the event that the CO2 levels in the room reach 1.5 to 2% iii Cause the fire to "fail safe" in the event of flame failure iv Reduce the frequency of any maintainence |
A. Cause the fire to "fail safe" in the event that the CO2 levels in the room reach 1.5 to 2% |
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A test for spillage on any flue type B11 space heater i Must be performed in strict adherence with the manufacturers guidance ii Must be performed following the general guidance given in BS5440-1 iii can be performed using a mirror or smoke match iv Must be performed with the fire turned off after having been in operation for at least 5 minutes immediately prior to the test |
A. Must be performed in strict adherence with the manufacturers guidance |
