P-99 LOW PRESSURE BOILER COF FDNY QUESTIONS AND ANSWERS 2025

P-99 LOW PRESSURE 2025
BOILER COF FDNY
ANSWER ALL QUESTIONS IN THIS SECTION



QUESTION 1



The _____ will shut down an oil burner if there is no air for combustion. -
ANSWERS-Vaporstat



QUESTION 2



The ______ _____ is a flame detection control. It is a device that will shut down
the boiler if a _____ is not visible. - ANSWERS-Photoelectric cell, flame



QUESTION 3



The _____ operates the boiler in the summer for domestic hot water needs. -
ANSWERS-Aquastat



QUESTION 4



The _____-_____ cutoff is an automatic electric control that will shut the burner
when the water level is below a ____ point. - ANSWERS-Low water, safe

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, P-99 LOW PRESSURE 2025
BOILER COF FDNY


QUESTION 5



The _____ _____ is a device used to indicate the water level of a steam boiler. -
ANSWERS-Gauge glass



QUESTION 6



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. - ANSWERS-Stack switch(primary control),
ignition, heat



QUESTION 7



The ____ ____ will shut down an oil burner if there is excessive smoke. It is
located on the ____ _____ or _____. - ANSWERS-Smoke detector, smoke stack or
chimney




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, P-99 LOW PRESSURE 2025
BOILER COF FDNY



QUESTION 8



The _____ _____ _____ gauge shows the pressure inside the boiler. This gauge
reads in _____ and is located at the ____ of the ____. - ANSWERS-Boiler steam
pressure, psi, top, boiler



QUESTION 9



Normal steam pressure for low pressure boilers is less than ____ psi. -
ANSWERS-15



QUESTION 10



The _____ valve is a device used to relieve excessive steam pressure. It is located
on the ____ of the steam boiler. - ANSWERS-Safety, top



QUESTION 11



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