Questions and Answers (Graded
A)
how should an oil tank be supported - ANSWER-Ridgid non-combustible
supports to prevent settling, sliding, or lifting
what is the wire gauge used on oil burner circuits - ANSWER-14 gauge
minimum
how is an oil burner wired - ANSWER-oil burners are wired intermittent or
interrupted
what does intermittent or interrupted mean - ANSWER-intermittent –
Transformer stays on throughout the burner firing cycle
What is a BTU (British Thermal Unit)? - ANSWER-the amount of heat
necessary to raise 1 lb of water, 1° Fahrenheit
,when is a combustion efficiency test required by law - ANSWER-after
installations and alterations
what control shuts off the oil burner in the event of excessive heat
temperature in the appliance - ANSWER-the high limit
name three functions of an oil pump - ANSWER-pick up, pressurize, and
strain oil
how many BTUs are there in a gallon of number 2 fuel - ANSWER-140000
what determines the GPH of a nozzle - ANSWER-the orifice
interrupted - Transformer drops out after flame established
who approves oil burners in Mass - ANSWER-the fire marshal
what does the term Marshall mean - ANSWER-State Fire Marshal
, what size vent pipe is required with a 2-inch fill pipe - ANSWER-2 inch
minimum
what are the elements found in fuel oil - ANSWER-85% carbon
15% hydrogen
what is fuel oil - ANSWER-a hydrocarbon
how must fuel oil be prepared for combustion - ANSWER-it must be atomized
or vaporized, and mixed with air
what is a degree day - ANSWER-65 degrees Fahrenheit minus the daily
average temperature
can materials other than steel be used in fuel oil tanks - ANSWER-yes, is
approved
what does the word approved mean - ANSWER-accepted by the Marshall, or
by a laboratory, which is by the Marshall