Oil burner Test 2024 Questions with Complete Solutions
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Course
Oil burner
Institution
Oil Burner
Oil burner Test 2024 Questions with Complete Solutions
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, slid...
Oil burner T est 2024 Questions with Complete Solutions 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 - Answe r-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 pip e 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 ai r 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 cau sed 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 becaus e - 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 ca n 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 the sight glass when the boiler is off - Answer -Center of the sight glass What is the purpose of the automatic water feed on a steam boiler - Answer -To maintain a safe minimum water line What is the purpose of the hartford loop - Answer -To prevent siphoning of the boiler What is the normal cut in pressure of a residential steam boiler - Answer -1/2 psi
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