MASSACHUSETTS OIL BURNER LICENSE EXAM
2026 | ACTUAL EXAM QUESTIONS AND
CORRECT ANSWERS | VERIFIED ANSWERS |
BRAND NEW VERSION!
How many BTU's in a Gallon of #2 fuel oil? ---------CORRECT ANSWER----
-------------140,000 Btu's
How is an electrical solenoid valve wired and where is it installed? -------
--CORRECT ANSWER-----------------Wired in parallel & installed to the
motor
What is a series circuit? ---------CORRECT ANSWER-----------------One path
for electrons to flow
What is a camium sulfide cell? ---------CORRECT ANSWER-----------------A
visual Flame detector
,How would you test the safety timing on a stack switch? ---------
CORRECT ANSWER-----------------Disconnect T 3
Can material other then steel be used for construction of a light fuel oil
tank? ---------CORRECT ANSWER-----------------Yes if Approved
What are the requirements when installing two tanks together to a
common supply line? ---------CORRECT ANSWER-----------------Tanks must
be level
What is the voltage found on the TT Terminals ? ---------CORRECT
ANSWER-----------------24v
What gauge wire is used for a T Stat? ---------CORRECT ANSWER-----------
------18 Guage
Is Carbon Monoxide a desirable flue gas? ---------CORRECT ANSWER------
-----------Hell no!
, What is the purpose of a low limit control on a steam or hot water
boiler? ---------CORRECT ANSWER-----------------Maintain boiler
temperature for domestic
What is a by pass plug used for? ---------CORRECT ANSWER-----------------
2 pipe system
What are the 3 funtions of an Oil Burner nozzle? ---------CORRECT
ANSWER-----------------Atomize, Meter, Patter.
What are the 2 voltage circuits of a primary control? ---------CORRECT
ANSWER-----------------Line & Low.
What is the function of a fuse? ---------CORRECT ANSWER-----------------
Protect circuit.
What is the High Limit cut out? ---------CORRECT ANSWER-----------------
Max safe Temp or Pressure setting.
2026 | ACTUAL EXAM QUESTIONS AND
CORRECT ANSWERS | VERIFIED ANSWERS |
BRAND NEW VERSION!
How many BTU's in a Gallon of #2 fuel oil? ---------CORRECT ANSWER----
-------------140,000 Btu's
How is an electrical solenoid valve wired and where is it installed? -------
--CORRECT ANSWER-----------------Wired in parallel & installed to the
motor
What is a series circuit? ---------CORRECT ANSWER-----------------One path
for electrons to flow
What is a camium sulfide cell? ---------CORRECT ANSWER-----------------A
visual Flame detector
,How would you test the safety timing on a stack switch? ---------
CORRECT ANSWER-----------------Disconnect T 3
Can material other then steel be used for construction of a light fuel oil
tank? ---------CORRECT ANSWER-----------------Yes if Approved
What are the requirements when installing two tanks together to a
common supply line? ---------CORRECT ANSWER-----------------Tanks must
be level
What is the voltage found on the TT Terminals ? ---------CORRECT
ANSWER-----------------24v
What gauge wire is used for a T Stat? ---------CORRECT ANSWER-----------
------18 Guage
Is Carbon Monoxide a desirable flue gas? ---------CORRECT ANSWER------
-----------Hell no!
, What is the purpose of a low limit control on a steam or hot water
boiler? ---------CORRECT ANSWER-----------------Maintain boiler
temperature for domestic
What is a by pass plug used for? ---------CORRECT ANSWER-----------------
2 pipe system
What are the 3 funtions of an Oil Burner nozzle? ---------CORRECT
ANSWER-----------------Atomize, Meter, Patter.
What are the 2 voltage circuits of a primary control? ---------CORRECT
ANSWER-----------------Line & Low.
What is the function of a fuse? ---------CORRECT ANSWER-----------------
Protect circuit.
What is the High Limit cut out? ---------CORRECT ANSWER-----------------
Max safe Temp or Pressure setting.
