Massachusetts oil burner EXAM, MOST TESTED ||
MOST RECENT EXAM 2026-2027 ACTUAL COMPLETE
REAL EXAM QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) ALREADY GRADED A+ |
GUARANTEED SUCCESS!! NEWEST EXAM | JUST
RELEASED!!
What is the purpose of a reverse acting control - ANSWER-
To prevent cold
water from being circulated on
cold start
How is a safety lockout determined on a stack switch without
removing it from
its holder - ANSWER-Remove the third
terminal
Is CO2 test determines - ANSWER-The percentage of carbon
dioxide in the flue
gas
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 -
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 - ANSWER-As close to the tank as possible
supply-side
How many seconds must have primary safety control shut off
the burner - ANSWER-Firing Less Than 3 gallons per hour 45
seconds firing 3 - 7 gallons per hour 15 seconds
What is normal pump pressure - ANSWER-100 PSI
What would be the advantages of a pump pressure higher
than 100 PSI -
ANSWER-A cleaner
burn
What determines the size of a nozzle gallons per hour -
ANSWER-The
maximum firing
rate
What is the purpose of a draft regulator - ANSWER-To get the
proper amount of
air flow through the
burner
What are two ways to adjust draft - ANSWER-Primary and
secondary air ,and
,the draft
regulator
What is the purpose of a flow check valve - 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 -
ANSWER-12 gauge What are the two motor speeds - ANSWER-
1725 and 3450
What is a drop lever valve - ANSWER-Oil shut off
What kind of valves are needed at the tank and pump -
ANSWER-Firematics
automatic shut-off
valves
Where is the solenoid valve installed and how is it wired -
ANSWER-Nozzle line
or port in parallel with
Burner motor
What are three types of pressure regulating valve - ANSWER-
Pressure control
,(water heater hydronic )fuel pump ,pressure
relief valve
, what would cause end cone burn off - ANSWER-Too much back
pressure
How is a cut-off test taken on an oil pump - 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 - ANSWER-6
feet
What would too much air do to the efficiency of an appliance
- 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 - ANSWER-
It would increase CO2
readings
The limit on a steam boiler operates by - ANSWER-Pressure
What is the approval of a 660 gallon tank - ANSWER-Standard
of UL 80
MOST RECENT EXAM 2026-2027 ACTUAL COMPLETE
REAL EXAM QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) ALREADY GRADED A+ |
GUARANTEED SUCCESS!! NEWEST EXAM | JUST
RELEASED!!
What is the purpose of a reverse acting control - ANSWER-
To prevent cold
water from being circulated on
cold start
How is a safety lockout determined on a stack switch without
removing it from
its holder - ANSWER-Remove the third
terminal
Is CO2 test determines - ANSWER-The percentage of carbon
dioxide in the flue
gas
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 -
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 - ANSWER-As close to the tank as possible
supply-side
How many seconds must have primary safety control shut off
the burner - ANSWER-Firing Less Than 3 gallons per hour 45
seconds firing 3 - 7 gallons per hour 15 seconds
What is normal pump pressure - ANSWER-100 PSI
What would be the advantages of a pump pressure higher
than 100 PSI -
ANSWER-A cleaner
burn
What determines the size of a nozzle gallons per hour -
ANSWER-The
maximum firing
rate
What is the purpose of a draft regulator - ANSWER-To get the
proper amount of
air flow through the
burner
What are two ways to adjust draft - ANSWER-Primary and
secondary air ,and
,the draft
regulator
What is the purpose of a flow check valve - 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 -
ANSWER-12 gauge What are the two motor speeds - ANSWER-
1725 and 3450
What is a drop lever valve - ANSWER-Oil shut off
What kind of valves are needed at the tank and pump -
ANSWER-Firematics
automatic shut-off
valves
Where is the solenoid valve installed and how is it wired -
ANSWER-Nozzle line
or port in parallel with
Burner motor
What are three types of pressure regulating valve - ANSWER-
Pressure control
,(water heater hydronic )fuel pump ,pressure
relief valve
, what would cause end cone burn off - ANSWER-Too much back
pressure
How is a cut-off test taken on an oil pump - 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 - ANSWER-6
feet
What would too much air do to the efficiency of an appliance
- 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 - ANSWER-
It would increase CO2
readings
The limit on a steam boiler operates by - ANSWER-Pressure
What is the approval of a 660 gallon tank - ANSWER-Standard
of UL 80
