FDNY P-99 C OF F STUDY GUIDE 2025/2026 QUESTIONS
WITH ANSWERS GRADED A+
✔✔The ______ _____ is a flame detection control. It is a device that will shut down the
boiler if a _____ is not visible. - ✔✔Photoelectric cell, flame
✔✔The _____ operates the boiler in the summer for domestic hot water needs. -
✔✔Aquastat
✔✔The _____-_____ cutoff is an automatic electric control that will shut the burner
when the water level is below a ____ point. - ✔✔Low water, safe
✔✔The _____ _____ is a device used to indicate the water level of a steam boiler. -
✔✔Gauge glass
✔✔The _____ _____ is the main combustion controller. It will stop the oil burner and
lock it out on safety in case of _____ failure. The stack switch operates when there is no
____ in the smoke stack. - ✔✔Stack switch(primary control), ignition, heat
✔✔The ____ ____ will shut down an oil burner if there is excessive smoke. It is located
on the ____ _____ or _____. - ✔✔Smoke detector, smoke stack or chimney
✔✔The _____ _____ _____ gauge shows the pressure inside the boiler. This gauge
reads in _____ and is located at the ____ of the ____. - ✔✔Boiler steam pressure, psi,
top, boiler
✔✔Normal steam pressure for low pressure boilers is less than ____ psi. - ✔✔15
✔✔The _____ valve is a device used to relieve excessive steam pressure. It is located
on the ____ of the steam boiler. - ✔✔Safety, top
✔✔The _______ ______ is an operating limit control that will shut the boiler down when
the ____ _____ reaches a desired point. - ✔✔Pressure control, steam pressure
✔✔The ____ ____ _____ will shut down the boiler if the pressure continues to rise
above the Pressure Control. This switch will lock out the boiler on safety in case the
pressuretrol fails to ____ the oil burner. This will not close _____, it must be reset
_____. - ✔✔Manual reset pressuretrol, shut, automatically, manually
✔✔ A fill line in an oil burner system is a line used to: - ✔✔Fill the storage tank with oil.
✔✔The aquastat is located - ✔✔Below the water line.
, ✔✔All heating, combustion, and cooking equipment shall be installed with adequate
clearances from _______ construction. - ✔✔Combustible
✔✔The equipment must be provided with ______ or the building construction shall be
_____ _____. - ✔✔Insulation.
Fire Protected
✔✔During operation the surface of combustible construction materials will not be raised
to a temp higher than _____ degrees F. - ✔✔170 degrees
✔✔Equipment shall be so that the means of access for ordinary operation and
maintenance will not be _______. - ✔✔Hazardous
✔✔Acceptance Tests:
Boilers shall not be placed in operation until they have been _____ and ____ and an
equipment ____ _____ has been issued by the ______. - ✔✔Inspected and tested.
Use permit, commissioner
✔✔Periodic Inspections: All boilers must be inspected at least _____ a _____ including
chimney connections. - ✔✔Once a year
✔✔Owners Annual Statement: The owner of each boiler shall file an _____ written
statement with the ________, specifying the _____of each boiler and ______ for
inspection. - ✔✔Annual, commissioner, location, arrangement.
✔✔Field Tests: all piping and oil storage tanks shall be _______ tested for tightness by
the ______ before the system is operated. - ✔✔Hydrostatically, contractor
✔✔The piping shall be tested at _____ times the max working pressure applicable to
that part of the piping system but at a pressure ____ than the test pressure required for
the storage tank. - ✔✔1/2, less
✔✔The min pressure for testing tanks shall be ____ times the max working pressure
but in no case less than ____ psi. - ✔✔1 1/2, 25 psi
✔✔The hydrostatic pressure must be maintained until all ____ and _____ have been
visually inspected for ___, but in no case less than _____ hour. - ✔✔Joints,
connections, leaks, 1/2 hour.
✔✔A record must be kept of the pressure test showing the name of the _____ and the
_____ at which the piping and tank were tested. - ✔✔Contractor, pressure
✔✔Gas piping must be tested by the _____ before operation. - ✔✔Contractor
WITH ANSWERS GRADED A+
✔✔The ______ _____ is a flame detection control. It is a device that will shut down the
boiler if a _____ is not visible. - ✔✔Photoelectric cell, flame
✔✔The _____ operates the boiler in the summer for domestic hot water needs. -
✔✔Aquastat
✔✔The _____-_____ cutoff is an automatic electric control that will shut the burner
when the water level is below a ____ point. - ✔✔Low water, safe
✔✔The _____ _____ is a device used to indicate the water level of a steam boiler. -
✔✔Gauge glass
✔✔The _____ _____ is the main combustion controller. It will stop the oil burner and
lock it out on safety in case of _____ failure. The stack switch operates when there is no
____ in the smoke stack. - ✔✔Stack switch(primary control), ignition, heat
✔✔The ____ ____ will shut down an oil burner if there is excessive smoke. It is located
on the ____ _____ or _____. - ✔✔Smoke detector, smoke stack or chimney
✔✔The _____ _____ _____ gauge shows the pressure inside the boiler. This gauge
reads in _____ and is located at the ____ of the ____. - ✔✔Boiler steam pressure, psi,
top, boiler
✔✔Normal steam pressure for low pressure boilers is less than ____ psi. - ✔✔15
✔✔The _____ valve is a device used to relieve excessive steam pressure. It is located
on the ____ of the steam boiler. - ✔✔Safety, top
✔✔The _______ ______ is an operating limit control that will shut the boiler down when
the ____ _____ reaches a desired point. - ✔✔Pressure control, steam pressure
✔✔The ____ ____ _____ will shut down the boiler if the pressure continues to rise
above the Pressure Control. This switch will lock out the boiler on safety in case the
pressuretrol fails to ____ the oil burner. This will not close _____, it must be reset
_____. - ✔✔Manual reset pressuretrol, shut, automatically, manually
✔✔ A fill line in an oil burner system is a line used to: - ✔✔Fill the storage tank with oil.
✔✔The aquastat is located - ✔✔Below the water line.
, ✔✔All heating, combustion, and cooking equipment shall be installed with adequate
clearances from _______ construction. - ✔✔Combustible
✔✔The equipment must be provided with ______ or the building construction shall be
_____ _____. - ✔✔Insulation.
Fire Protected
✔✔During operation the surface of combustible construction materials will not be raised
to a temp higher than _____ degrees F. - ✔✔170 degrees
✔✔Equipment shall be so that the means of access for ordinary operation and
maintenance will not be _______. - ✔✔Hazardous
✔✔Acceptance Tests:
Boilers shall not be placed in operation until they have been _____ and ____ and an
equipment ____ _____ has been issued by the ______. - ✔✔Inspected and tested.
Use permit, commissioner
✔✔Periodic Inspections: All boilers must be inspected at least _____ a _____ including
chimney connections. - ✔✔Once a year
✔✔Owners Annual Statement: The owner of each boiler shall file an _____ written
statement with the ________, specifying the _____of each boiler and ______ for
inspection. - ✔✔Annual, commissioner, location, arrangement.
✔✔Field Tests: all piping and oil storage tanks shall be _______ tested for tightness by
the ______ before the system is operated. - ✔✔Hydrostatically, contractor
✔✔The piping shall be tested at _____ times the max working pressure applicable to
that part of the piping system but at a pressure ____ than the test pressure required for
the storage tank. - ✔✔1/2, less
✔✔The min pressure for testing tanks shall be ____ times the max working pressure
but in no case less than ____ psi. - ✔✔1 1/2, 25 psi
✔✔The hydrostatic pressure must be maintained until all ____ and _____ have been
visually inspected for ___, but in no case less than _____ hour. - ✔✔Joints,
connections, leaks, 1/2 hour.
✔✔A record must be kept of the pressure test showing the name of the _____ and the
_____ at which the piping and tank were tested. - ✔✔Contractor, pressure
✔✔Gas piping must be tested by the _____ before operation. - ✔✔Contractor
