MASSACHUSETTS OIL BURNER EXAM |
QUESTIONS AND CORRECT ANSWERS
| GRADED A+ | LATEST EXAM |
VERIFIED ANSWERS | JUST RELEASED
What must be done to install an additional fuel tank in a building that
already has a tank holding 1320 gallons ---------CORRECT ANSWER--------
---------They must have a firewall around them
What must be done with the bypass plug on a two pipe system and on a
one pipe system ---------CORRECT ANSWER-----------------On a one pipe
system. the bypass plug must be removed .on a two pipe system the
bypass must be installed.
What is a bypass plug ---------CORRECT ANSWER-----------------A 1/16 inch
plug to convert 1 pipe to a 2 pipe system
What is a power burner ---------CORRECT ANSWER-----------------Anything
that's not a vaporizing oil burner
Can a series 10 .3 wire thermostat be used with a 2-wire control? explain. -
--------CORRECT ANSWER-----------------Yes by jumping out the ground
Can a series 80 dryer thermostat be wired into a 3-wire control ---------
CORRECT ANSWER-----------------No
,What is the greatest loss in a boiler ---------CORRECT ANSWER--------------
---Heat loss through the chimney
How high on the wall should thermostat be installed ---------CORRECT
ANSWER-----------------5 feet from the ground
What must be checked while installing a Mercury bulb thermostat ---------
CORRECT ANSWER-----------------Must be checked to be level
Why are low voltage thermostats use more than line voltage ones ---------
CORRECT ANSWER-----------------Safety
What additional requirements are there for installing two or more tanks to a
common discharge line ---------CORRECT ANSWER-----------------They
must be on a common slab at the same height and secure to one another
6 oil burners have been installed in a large room which is of tight
construction and which must be kept closed at all times there is decidedly
not enough combustion air for proper burner operation there burner sizes
are 1.35 gallons per hour under these conditions what is the minimum free
area of an opening connecting to the outdoors which must be provided -----
----CORRECT ANSWER-----------------567 inch by 2 inch vent going to
outside
what is the maximum voltage allowed for an oil burner circuit ---------
CORRECT ANSWER-----------------150 volts
,Is carbon monoxide a desirable element in flue gases ---------CORRECT
ANSWER-----------------No
How much air is needed to burn a gallon of fuel oil and why ---------
CORRECT ANSWER-----------------14.4 plus 50% 192 feet cubed 154 CF to
ensure enough oxygen
When visually adjusting the flame on an oil burner you should try to get -----
----CORRECT ANSWER-----------------An orange flame with red Flame tips
Explain how a burner should be piped when the supply tank is located
below the burner ---------CORRECT ANSWER-----------------2. Pipe dual
stage with a bypass plug
How should a stack switch be installed according to 527 CMR 4.00 ---------
CORRECT ANSWER-----------------With a flexible conduit
Why should a stack switch not be rigidly mounted ---------CORRECT
ANSWER-----------------So you can pull it out and check it
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
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