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OIL BURNER TEST QUESTIONS WITH
DETAILED VERIFIED ANSWERS
What is the largest exposed tank allowed in a building without a permit
Ans: 660 g
What is tank approval Ans: 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 Ans: True
What is the largest amount of oil that can be stored with exposed tanks?
Ans: 1320 g
What is the closest distance a supply tank can be to the burner Ans: 5 ft
What is the gauge of a 275 g above ground tank Ans: 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 Ans: True
Vent pipe for a 500 g tank should be Ans: 1 1/4"
A supply tank may be supported by any ridge support. true or false Ans:
False
Stack switch relays can no longer be used in installations or replacement
because Ans: 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 Ans: False
On a warm air furnace, the blower comes off and on in short cycles
because Ans: The fan on/off differential is less than 40°F
What could cause a steam boiler to flood Ans: Leaky tank less coil
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Having to put water in a steam boiler once or twice a week is caused by
Ans: Weak return line, radiator vents leaking, boiler sprung a leak
Some radiators on a steam system do not heat up because Ans: The
radiator vents are clogged
On a hot water boiler the pressure is 30psi and the relief valve is open
because Ans: Leaky tankless coil, bad pressure reducing valve,
perforated tankless bladder
Some forced hot-water radiators are not heating because Ans: Vent is
clogged, radiators are air bound, radiator valves clogged shut
A cad-cell primary control can lock-out safety because Ans: 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 Ans: The thermostat or thermostat wired are no good
In-step means Ans: 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 Ans: The reverse is open,
circulator motor burnt out, switching relay is faulty
The burner operates but there is no combustion because Ans: There is
too much air
On a replacement steam boiler installation, you should pipe full-size
risers to the header. True or false Ans: False
What is the best way to remove surface oil? Ans: Skimming
Where should the water like normally be in the sight glass when the
boiler is off Ans: Center of the sight glass
What is the purpose of the automatic water feed on a steam boiler Ans:
To maintain a safe minimum water line
OIL BURNER TEST QUESTIONS WITH
DETAILED VERIFIED ANSWERS
What is the largest exposed tank allowed in a building without a permit
Ans: 660 g
What is tank approval Ans: 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 Ans: True
What is the largest amount of oil that can be stored with exposed tanks?
Ans: 1320 g
What is the closest distance a supply tank can be to the burner Ans: 5 ft
What is the gauge of a 275 g above ground tank Ans: 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 Ans: True
Vent pipe for a 500 g tank should be Ans: 1 1/4"
A supply tank may be supported by any ridge support. true or false Ans:
False
Stack switch relays can no longer be used in installations or replacement
because Ans: 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 Ans: False
On a warm air furnace, the blower comes off and on in short cycles
because Ans: The fan on/off differential is less than 40°F
What could cause a steam boiler to flood Ans: Leaky tank less coil
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Having to put water in a steam boiler once or twice a week is caused by
Ans: Weak return line, radiator vents leaking, boiler sprung a leak
Some radiators on a steam system do not heat up because Ans: The
radiator vents are clogged
On a hot water boiler the pressure is 30psi and the relief valve is open
because Ans: Leaky tankless coil, bad pressure reducing valve,
perforated tankless bladder
Some forced hot-water radiators are not heating because Ans: Vent is
clogged, radiators are air bound, radiator valves clogged shut
A cad-cell primary control can lock-out safety because Ans: 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 Ans: The thermostat or thermostat wired are no good
In-step means Ans: 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 Ans: The reverse is open,
circulator motor burnt out, switching relay is faulty
The burner operates but there is no combustion because Ans: There is
too much air
On a replacement steam boiler installation, you should pipe full-size
risers to the header. True or false Ans: False
What is the best way to remove surface oil? Ans: Skimming
Where should the water like normally be in the sight glass when the
boiler is off Ans: Center of the sight glass
What is the purpose of the automatic water feed on a steam boiler Ans:
To maintain a safe minimum water line
