P-99 / LOW PSI OIL BURNER OPERATOR EXAM LATEST 2026 UPDATED
QUESTIONS AND VERIFIED 100% SOLUTIONS (2026/2027) |A+
GRADED |GUARANTEED PASS
What is fuel-oil? - Answers -Hydrocarbon oils with a flashpoint not lower than 100 F̊ .
The use of crankcase refuse oil as fuel-oil is ____. - Answers -Prohibited.
Overflow pipes shall not be smaller in size than the ____ pipe. - Answers -Supply.
Oil is heated in storage tanks by coils using which three possible methods? - Answers -(1) Low
pressure hot water.
(2) Steam
(3) Electric heaters.
A remote control for oil burner is provided to stop what? - Answers -The flow of oil to any
burner.
What are the four safety controls that shall be installed with each automatic burner? - Answers -
(1) Oil temperature.
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,(2) Ignition.
(3) Stack or combustion.
(4) High temperature or pressure.
No oil burner shall be installed unless it is connected to a ____. - Answers -Chimney/smoke
stack.
What provides the supply of oil for combustion in the oil burner? - Answers -Storage tank.
What is the consistency of no. 6 fuel-oil in its normal condition? - Answers -Thick and heavy.
What must be done to no. 6 fuel-oil due to its consistency? - Answers -It must be heated in the
storage tank.
Between what temperatures must no. 6 fuel-oil be maintained in the storage tank? - Answers -
100 ̊ - 130 ̊F
What are the five commercial grade hydrocarbon oils? - Answers -(1) No. 1 fuel-oil/range oil.
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, (2) No. 2 fuel-oil/diesel oil.
(3) No. 4 fuel-oil.
(4) No. 5 fuel-oil.
(5) No. 6 fuel-oil.
On which side of the shut-off valve shall a relief or pressure regulating valve be provided? -
Answers -Heater side.
Where shall a shut-off valve be located when a single tank and a single burner are installed? -
Answers -In the supply line at the tank and another at the burner.
Where will the remote control for oil burner typically be located? - Answers -Outside the
entrance to the room in which the burner is located.
Assuming an outside location is impractical, where can the remote control for oil burner be
located? - Answers -Immediately inside the room in which the burner is located.
For what purpose is pressure in a storage tank prohibited? - Answers -Discharging oil.
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QUESTIONS AND VERIFIED 100% SOLUTIONS (2026/2027) |A+
GRADED |GUARANTEED PASS
What is fuel-oil? - Answers -Hydrocarbon oils with a flashpoint not lower than 100 F̊ .
The use of crankcase refuse oil as fuel-oil is ____. - Answers -Prohibited.
Overflow pipes shall not be smaller in size than the ____ pipe. - Answers -Supply.
Oil is heated in storage tanks by coils using which three possible methods? - Answers -(1) Low
pressure hot water.
(2) Steam
(3) Electric heaters.
A remote control for oil burner is provided to stop what? - Answers -The flow of oil to any
burner.
What are the four safety controls that shall be installed with each automatic burner? - Answers -
(1) Oil temperature.
1|Page
,(2) Ignition.
(3) Stack or combustion.
(4) High temperature or pressure.
No oil burner shall be installed unless it is connected to a ____. - Answers -Chimney/smoke
stack.
What provides the supply of oil for combustion in the oil burner? - Answers -Storage tank.
What is the consistency of no. 6 fuel-oil in its normal condition? - Answers -Thick and heavy.
What must be done to no. 6 fuel-oil due to its consistency? - Answers -It must be heated in the
storage tank.
Between what temperatures must no. 6 fuel-oil be maintained in the storage tank? - Answers -
100 ̊ - 130 ̊F
What are the five commercial grade hydrocarbon oils? - Answers -(1) No. 1 fuel-oil/range oil.
2|Page
, (2) No. 2 fuel-oil/diesel oil.
(3) No. 4 fuel-oil.
(4) No. 5 fuel-oil.
(5) No. 6 fuel-oil.
On which side of the shut-off valve shall a relief or pressure regulating valve be provided? -
Answers -Heater side.
Where shall a shut-off valve be located when a single tank and a single burner are installed? -
Answers -In the supply line at the tank and another at the burner.
Where will the remote control for oil burner typically be located? - Answers -Outside the
entrance to the room in which the burner is located.
Assuming an outside location is impractical, where can the remote control for oil burner be
located? - Answers -Immediately inside the room in which the burner is located.
For what purpose is pressure in a storage tank prohibited? - Answers -Discharging oil.
3|Page
