OIL BURNER EXAM (MASSACHUSETTS)
| ALL QUESTIONS AND CORRECT
ANSWERS | ALREADY GRADED A+ |
LATEST EXAM | VERIFIED ANSWERS
When Shall steam heating boiler and a hot water boiler require inspection
by the commissioner of mass Dept of Public Safety before it is put into
service ---------CORRECT ANSWER-----------------Any time a permit is
pulled to install or alter a burner
Where is the check valve installed on a two pipe system when there is a lift
situation ---------CORRECT ANSWER-----------------As close to the tank as
possible supply-side
How many seconds must have primary safety control shut off the burner ---
------CORRECT ANSWER-----------------Firing Less Than 3 gallons per hour
45 seconds firing 3 - 7 gallons per hour 15 seconds
What is normal pump pressure ---------CORRECT ANSWER-----------------
100 PSI
What would be the advantages of a pump pressure higher than 100 PSI ----
-----CORRECT ANSWER-----------------A cleaner burn
What determines the size of a nozzle gallons per hour ---------CORRECT
ANSWER-----------------The maximum firing rate
,What is the purpose of a draft regulator ---------CORRECT ANSWER---------
--------To get the proper amount of air flow through the burner
What are two ways to adjust draft ---------CORRECT ANSWER-----------------
Primary and secondary air ,and the draft regulator
What is the purpose of a flow check valve ---------CORRECT ANSWER------
-----------Make sure flow of water does not go into the Zone that's it is
unwanted
What is the minimum gauge of an above-ground tank ---------CORRECT
ANSWER-----------------12 gauge
What are the two motor speeds ---------CORRECT ANSWER-----------------
1725 and 3450
What is a drop lever valve ---------CORRECT ANSWER-----------------Oil
shut off
What kind of valves are needed at the tank and pump ---------CORRECT
ANSWER-----------------Firematics automatic shut-off valves
,Where is the solenoid valve installed and how is it wired ---------CORRECT
ANSWER-----------------Nozzle line or port in parallel with Burner motor
What are three types of pressure regulating valve ---------CORRECT
ANSWER-----------------Pressure control ,(water heater hydronic )fuel pump
,pressure relief valve
what would cause end cone burn off ---------CORRECT ANSWER-------------
----Too much back pressure
How is a cut-off test taken on an oil pump ---------CORRECT ANSWER------
-----------Hook up gauge and shut off the burner .it should hold 80% of the
pressure. pressure should drop no more than 10 to 15 psi
How long can flexible conduit be on an oil burner ---------CORRECT
ANSWER-----------------6 feet
What would too much air do to the efficiency of an appliance ---------
CORRECT ANSWER-----------------It would lower the efficiency by pushing
the heat up the chimney
What effect would cut down on excess air have on co2 percentage ---------
CORRECT ANSWER-----------------It would increase CO2 readings
The limit on a steam boiler operates by ---------CORRECT ANSWER---------
--------Pressure
, What is the approval of a 660 gallon tank ---------CORRECT ANSWER-------
----------Standard of UL 80
What is the approval of an oil tank larger than 660 gallons ---------
CORRECT ANSWER-----------------Standard of UL 142
Can two supply tanks be provided with only one fill pipe and vent pipe -------
--CORRECT ANSWER-----------------Yes
Can Teflon tape be used on oil line connections ---------CORRECT
ANSWER-----------------No
When must oil lines be in closed in a non-metallic sleeve ---------CORRECT
ANSWER-----------------When there is direct contact with concrete or Earth
What is a gallon of oil ---------CORRECT ANSWER-----------------The amount
of oil to occupy one standard u.s. gallon 231 cubic inches at a temperature
of 60 degrees Fahrenheit
How should multiple oil tanks be separated from other portions of a building
---------CORRECT ANSWER-----------------2 hour rated fire resistive
assemblies with openings protection and continuity
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