Massachusetts Oil Burner Exam Practice 2026-
2027 Frequently Tested Questions With Verified
Multiple Choice and Conceptual Actual 100%
Correct Detailed Answers
Guaranteed Pass!!Current Update!!
1. Explain interrupted ignition - ANSWER the ignition Transformer drops
out of the circuit once a flame is established
2. What are the elements are found in fuel oil number 2 - ANSWER Carbon
hydrogen oxygen and hydrocarbons
3. What is a BTU - ANSWER A British thermal unit is the amount of heat
needed to raise one pound of water 1 degree Fahrenheit
4. How many BTUs are in one gallon number 2 fuel oil - ANSWER 140,000
BTUs
5. What determines the gallons per hour of a nozzle - ANSWER
Manufacturer ,the bore size, pump pressure or Orphus
6. What is a series circuit - ANSWER an electrical or piping circuit where all
of the current or fluid flows through the entire circuit
,7. What is a degree day - ANSWER The average temp for the day - 65
8. What is the flash point of number 2 fuel oil - ANSWER 115 degrees
Fahrenheit
9. When does the law require a combustion efficiency test - ANSWER
During installation and maintenance
10.What controller shuts off the oil burner in the event of excessive
temperature in the appliance - ANSWER The high limit switch
11.What are the three functions of an oil pump - ANSWER 1- filters 2-
pressurizes 3- pumps fuel to the burner
12.How is an oil burner circuit wired - ANSWER In series on its own circuit
13.How is oil flow adjusted in a rotary burner - ANSWER Constant level and
metering valve
14.What does InStep mean - ANSWER The stack relay is operating properly
15.How is combustion achieved - ANSWER Atomization ,air ,ignition.
,16.What is the minimum size oil line for residential burners - ANSWER 3/8
inch
17.How is safety timing checked on a stack relay switch - ANSWER Remove
the stack relay from the duck and let it run .it should shut off in 45 seconds.
18.What is the safety lockout time on Burner firing under 3 gallons per hour -
ANSWER 45 seconds
19.What control devices are found on gravity feed burners - ANSWER
Constant level valve
20.When is a vent pipe required - ANSWER When the Supply tank is larger
than 10 gallons
21.What is the time limit for submitting certificate of completion - ANSWER
Within 72 hours
22.What kinds of joints are used on tank installations - ANSWER Swing
joints
23.Why are swing joints used on oil tank installations - ANSWER Shifting
with in the tank
, 24.What is the minimum distance that the burner can be from the tank -
ANSWER 5 feet
25.How many gallons of oil can be stored without a permit - ANSWER 10
gallons or less
26.How much outside or replacement air is needed in a confined space -
ANSWER 1 square inch for 2000 BTUs
27.How much outside air or replacement air is needed in a boiler room in of
tight Construction - ANSWER 1 square inch per 1000 BTUs
28.What is the purpose of a heat anticipator - ANSWER It keeps the heat
from over shooting
29.Explain two different types of differentials used by thermostat - ANSWER
In heating anticipates heat leftover.in cold turns on compressor early
30.what are the parts of an ignition assembly explain the function of each part
what is the operating voltage - ANSWER Electrode :spark to ignite fuel.
Transformer: step up from 120 volts to 14000 hundred volts. porcelain are
insulators.
31.When does code require low water cutoff - ANSWER Always on a steam
boiler ,and when hot water heater has an input rating of 400,000 BTUs an
hour or greater
2027 Frequently Tested Questions With Verified
Multiple Choice and Conceptual Actual 100%
Correct Detailed Answers
Guaranteed Pass!!Current Update!!
1. Explain interrupted ignition - ANSWER the ignition Transformer drops
out of the circuit once a flame is established
2. What are the elements are found in fuel oil number 2 - ANSWER Carbon
hydrogen oxygen and hydrocarbons
3. What is a BTU - ANSWER A British thermal unit is the amount of heat
needed to raise one pound of water 1 degree Fahrenheit
4. How many BTUs are in one gallon number 2 fuel oil - ANSWER 140,000
BTUs
5. What determines the gallons per hour of a nozzle - ANSWER
Manufacturer ,the bore size, pump pressure or Orphus
6. What is a series circuit - ANSWER an electrical or piping circuit where all
of the current or fluid flows through the entire circuit
,7. What is a degree day - ANSWER The average temp for the day - 65
8. What is the flash point of number 2 fuel oil - ANSWER 115 degrees
Fahrenheit
9. When does the law require a combustion efficiency test - ANSWER
During installation and maintenance
10.What controller shuts off the oil burner in the event of excessive
temperature in the appliance - ANSWER The high limit switch
11.What are the three functions of an oil pump - ANSWER 1- filters 2-
pressurizes 3- pumps fuel to the burner
12.How is an oil burner circuit wired - ANSWER In series on its own circuit
13.How is oil flow adjusted in a rotary burner - ANSWER Constant level and
metering valve
14.What does InStep mean - ANSWER The stack relay is operating properly
15.How is combustion achieved - ANSWER Atomization ,air ,ignition.
,16.What is the minimum size oil line for residential burners - ANSWER 3/8
inch
17.How is safety timing checked on a stack relay switch - ANSWER Remove
the stack relay from the duck and let it run .it should shut off in 45 seconds.
18.What is the safety lockout time on Burner firing under 3 gallons per hour -
ANSWER 45 seconds
19.What control devices are found on gravity feed burners - ANSWER
Constant level valve
20.When is a vent pipe required - ANSWER When the Supply tank is larger
than 10 gallons
21.What is the time limit for submitting certificate of completion - ANSWER
Within 72 hours
22.What kinds of joints are used on tank installations - ANSWER Swing
joints
23.Why are swing joints used on oil tank installations - ANSWER Shifting
with in the tank
, 24.What is the minimum distance that the burner can be from the tank -
ANSWER 5 feet
25.How many gallons of oil can be stored without a permit - ANSWER 10
gallons or less
26.How much outside or replacement air is needed in a confined space -
ANSWER 1 square inch for 2000 BTUs
27.How much outside air or replacement air is needed in a boiler room in of
tight Construction - ANSWER 1 square inch per 1000 BTUs
28.What is the purpose of a heat anticipator - ANSWER It keeps the heat
from over shooting
29.Explain two different types of differentials used by thermostat - ANSWER
In heating anticipates heat leftover.in cold turns on compressor early
30.what are the parts of an ignition assembly explain the function of each part
what is the operating voltage - ANSWER Electrode :spark to ignite fuel.
Transformer: step up from 120 volts to 14000 hundred volts. porcelain are
insulators.
31.When does code require low water cutoff - ANSWER Always on a steam
boiler ,and when hot water heater has an input rating of 400,000 BTUs an
hour or greater
