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Mass oil burner / NFPA 31 & NORA Quizzes & Ans!!
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Mass oil burner / NFPA 31 & NORA Quizzes & Ans!!
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Name: Score:215 Multiple choice questions
Term 1 of 215
Cross connected, series piped tanks must be equipped with a tank gauge on the vented tank only
True
False
Definition 2 of 215
Inspect the combustion chamber
Before installation of new oil burner you are required to
Most important draft measurement of any oil fired unit is
Must I install a draft regulator
Fuel return piping from an appliance shall
Definition 3 of 215
Yes by brazing traditional solder with a melting point of over 500F
Can i use a stack switch
Can you solder an oil lines
When can i use an oil safety valve
When must you install a draft regulator
,Definition 4 of 215
Lower Efficiency
Burner, natural draft type
Gravity type furnace with fan
Too much air causes
Limit control
Term 5 of 215
Does an entire installation have to be upgraded when anything is altered?
Yes
No
Term 6 of 215
Can I use either button type or wheel type firomatic switches
Yes
No
Term 7 of 215
Can I cross connect two tanks at bottom with 3/8 pipe tubing
Yes
No
,Definition 8 of 215
Pitched forward tank, terminate two feet minimum from building openings, corrosion resistant
weatherproof cap
Tank vent piping shall be
3 main causes of nozzle drip
Can I place an oil fired unit up against a wall
Can any power center be used
Term 9 of 215
Oil burning appliances shall have
Limit control for pressure in steam, temperature in water boiler, and temperature in furnace
Thermostat for controlling room temperature
Carbon monoxide alarm for gas leak detection
Smoke detector for early fire detection
Term 10 of 215
For primary control to activate burner
One pipe size larger than the largest individual vent pipe connected to it
Reacting to absence of flame, controlling ignition and motor
No, unless you chose not to use a emergency switch. The valve must be outside the room
the boiler is in and clearly marked
Both line and low voltage circuits must be closed. If thermostats or limit control are
satisfied, control will not activate burner
, Term 11 of 215
Do I have to install a draft inducer or booster if the chimney connector is more than ten feet in
length
Yes
No
Term 12 of 215
Three things to adjust that affect combustion process
Between unit and draft regulator
Fuel pressure, combustion air, and draft
Fuel pump pressure
Pressure or vacuum test the line
Term 13 of 215
Must I use a thimble in a chimney
A thimble can be used as a replacement for a chimney
Although still recommended, a thimble is no longer required
A thimble is essential for chimney safety
A thimble is only needed for decorative purposes in a chimney
Term 14 of 215
When can I use an oil safety valve
On existing installations when a burner, boiler, furnace or tank is replaced
Yes. As long as they are used per the appliance manufacturer instructions
Readily accessible, hand operated, fusible, spring loaded valves
No, as long as the manufacturer exempts it. A natural draft burner may require one,
mechanical draft burner do not.
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