MASSACHUSETTS OIL BURNER TEST EXAM
NEWEST ACTUAL EXAM WITH COMPLETE
QUESTIONS AND DETAILED ANSWERS
GRADED A | BRAND NEW!!!
How is safety timing checked on a stack relay switch - ✔✔✔
Correct Answer > Remove the stack relay from the duck and let
it run .it should shut off in 45 seconds.
What is the safety lockout time on Burner firing under 3 gallons
per hour - ✔✔✔ Correct Answer > 45 seconds
What control devices are found on gravity feed burners - ✔✔✔
Correct Answer > Constant level valve
When is a vent pipe required - ✔✔✔ Correct Answer > When
the Supply tank is larger than 10 gallons
What is the time limit for submitting certificate of completion -
✔✔✔ Correct Answer > within 72 hours
,What kinds of joints are used on tank installations - ✔✔✔
Correct Answer > Swing joints
Why are swing joints used on oil tank installations - ✔✔✔
Correct Answer > Shifting with in the tank
What is the minimum distance that the burner can be from the
tank - ✔✔✔ Correct Answer > 5 feet
How many gallons of oil can be stored without a permit - ✔✔✔
Correct Answer > 10 gallons or less
How much outside or replacement air is needed in a confined
space - ✔✔✔ Correct Answer > 1 square inch for 2000 BTUs
How much outside air or replacement air is needed in a boiler
room in of tight Construction - ✔✔✔ Correct Answer > 1
square inch per 1000 BTUs
What is the purpose of a heat anticipator - ✔✔✔ Correct
Answer > It keeps the heat from over shooting
,Explain two different types of differentials used by thermostat -
✔✔✔ Correct Answer > In heating anticipates heat leftover.in
cold turns on compressor early
what are the parts of an ignition assembly explain the function
of each part what is the operating voltage - ✔✔✔ Correct
Answer > Electrode :spark to ignite fuel. Transformer: step up
from 120 volts to 14000 hundred volts. porcelain are insulators.
When does code require low water cutoff - ✔✔✔ Correct
Answer > Always on a steam boiler ,and when hot water
heater has an input rating of 400,000 BTUs an hour or greater
What are the three functions of a pressure regulating valve on
an oil pump - ✔✔✔ Correct Answer > Maintain boiler pressure
clean sharp cut off and Supply oil.
Electrical current the amount of electricity flowing in a circuit is
measured in - ✔✔✔ Correct Answer > Amps
, Advantage of PSC Motors over conventional split phase Motors
is they - ✔✔✔ Correct Answer > Are protected by an overload
switch
Before using an electronic analyzer you must - ✔✔✔ Correct
Answer > Performers smoke test to be sure you're bringing at
0 to trace of smoke
If a oil pumps gears are partially impeded by rust and difficult to
turn it can cause - ✔✔✔ Correct Answer > The amperage draw
of the burner motor to increase
The electric force or potential similar to water pressure is -
✔✔✔ Correct Answer > Volts
We use motor delay our post Purge technology for - ✔✔✔
Correct Answer > Cleaner shutdowns
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