NORA || 200 QUESTIONS AND
CORRECT ANSWERS 2025 EXAM
Cast iron fittings can be used in heating fuel systems? - ANSWER- False
Tank vent shall terminate - ANSWER- Within 12 feet of the fill and visible from
the fill
Tanks exceeding 330 gallons must have - ANSWER- Top supply connection
Fuel return piping from an appliance shall - ANSWER- Enter the top of the tank
Oil appliances burning used oil shall only be installed - ANSWER- In commercial
or industrial occupancies
Technician must be present for filling of new oil tank - ANSWER- False
,A common tank vent pipe shall be - ANSWER- One pipe size larger than the
largest individual vent pipe connected to it
If oil supply piping is not visible for inspection you must - ANSWER- Pressure or
vacuum test the line
Installation instructions for the care and operation of the appliance must be posted -
ANSWER- True
Oil burning appliances shall have - ANSWER- Limit control for pressure in
steam, temperature in water boiler, and temperature in furnace
Above ground tank installed inside must be pitched - ANSWER- Torwards the
supply at a pitch of 1/4 inch per foot
Outdoor tanks must be located - ANSWER- Five feet from property line for 275g
or smaller, ten feet for more than 275 but not exceeding 660g. Must be on concrete
slab
A chimney connector shall maintain a pitch or rise of - ANSWER- 1/4 inch per
foot
Minimal gauge thickness for steel flue pipe connectors less than nine inches in
diameter - ANSWER- 26 gauge
Oil fired water heater must be equipped with water temp, pressure, and vacuum
relief device - ANSWER- True
, Tank vent piping shall be - ANSWER- Pitched forward tank, terminate two feet
minimum from building openings, corrosion resistant weatherproof cap
Direct vent systems shall terminate - ANSWER- 4 feet horizontally from a
building opening
Fuel can be transferred from tank to appliance by pressurizing the tank -
ANSWER- False
Fusible link safety shutoff valves shall be located - ANSWER- Within six inches
of the filter between the tank and filter
Before installation of new oil burner you are required to - ANSWER- Inspect the
combustion chamber
A crankcase oil burner can be installed in any location where a standard oil burner
was located - ANSWER- False
Can tanks be installed in garages - ANSWER- Yes, if protected from vehicle
impacts by barriers
Teflon tape can be used on oil lines - ANSWER- False
The trial for ignition period for oil burners less than 20 GPM is? - ANSWER- 15
seconds
Fusible switches shall operate at a temp of - ANSWER- 165F