Oil Burner Test with Correct Answers

Oil Burner Test with Correct Answers What is the largest exposed tank allowed in a building without a permit - Answer ️️ -660 g What is tank approval - Answer ️️ -UL 80 UL 142 A supply tank shall be securely supported by ridged, non-combustible supports to prevent settling, sliding or lifting. true or false - Answer ️️ -True What is the largest amount of oil that can be stored with exposed tanks? - Answer ️️ -1320 g What is the closest distance a supply tank can be to the burner - Answer ️️ -5 ft What is the gauge of a 275 g above ground tank - Answer ️️ -12 gauge The maximum amount of fuel may be delivered without a permit to store in effect provided that application has been made in accordance with code. true or false - Answer ️️ -True Vent pipe for a 500 g tank should be - Answer ️️ -1 1/4" A supply tank may be supported by any ridge support. true or false - Answer ️️ -False Stack switch relays can no longer be used in installations or replacement because - Answer ️️ - Their lock-out time is no longer the code requirement An oil safety valve should be used when burner pump is lifting oil. True or false - Answer ️️ - False On a warm air furnace, the blower comes off and on in short cycles because - Answer ️️ -The fan on/off differential is less than 40°F What could cause a steam boiler to flood - Answer ️️ -Leaky tank less coil Having to put water in a steam boiler once or twice a week is caused by - Answer ️️ -Weak return line, radiator vents leaking, boiler sprung a leak Some radiators on a steam system do not heat up because - Answer ️️ -The radiator vents are clogged On a hot water boiler the pressure is 30psi and the relief valve is open because - Answer ️️ - Leaky tankless coil, bad pressure reducing valve, perforated tankless bladder Some forced hot-water radiators are not heating because - Answer ️️ -Vent is clogged, radiators are air bound, radiator valves clogged shut A cad-cell primary control can lock-out safety because - Answer ️️ -Cad-cell is dirty, Cad-cell is faulty, The cad-cell is not sensing flame On a no heat call, a cad-cell primary control fired when TT is jumped out because - Answer ️️ -The thermostat or thermostat wired are no good In-step means - Answer ️️ -The primary control start circuit is closed On a no heat call on a hot water system, the oil burner is off on high-limit, but the circulator is not running because - Answer ️️ -The reverse is open, circulator motor burnt out, switching relay is faulty The burner operates but there is no combustion because - Answer ️️ -There is too much air On a replacement steam boiler installation, you should pipe full-size risers to the header. True or false - Answer ️️ -False What is the best way to remove surface oil? - Answer ️️ -Skimming Where should the water like normally be in th