3/22/26, 5:41 PM FDNY P-99 Certificate of Fitness: Key Concepts & Practice Questions 2026 Flashcards | Quizlet
FDNY P-99 Certificate of Fitness: Key Concepts &
Practice Questions 2026
Save
Practice questions for this set
Learn 1 /7 Study with Learn
Terms in this set (50)
What color flame indicates lack of Red smoky flame
oxygen?
What device controls water Aquastat
temperature in a boiler?
What removes dirt from oil before Oil strainer
the burner?
https://quizlet.com/1158857696/fdny-p-99-certificate-of-fitness-key-concepts-practice-questions-2026-flash-cards/?new 1/5
, 3/22/26, 5:41 PM FDNY P-99 Certificate of Fitness: Key Concepts & Practice Questions 2026 Flashcards | Quizlet
What device prevents boiler Low water cutoff
operation without water?
What temperature defines low- 600°F or less
temperature equipment?
What must the operator do during Be present in the boiler room
burner startup?
What indicates incomplete Black smoke
combustion?
What device measures pressure Vacuum gauge
below atmospheric pressure?
What carries combustion gases Chimney
outside?
What is the minimum passing score 70%
for FDNY COF exams?
What is the purpose of a safety relief Prevent excessive pressure
valve?
What happens when too much air White dazzling flame
enters combustion?
What fuel is commonly used in oil Heating oil
burners?
What instrument measures boiler Pressure gauge
pressure?
https://quizlet.com/1158857696/fdny-p-99-certificate-of-fitness-key-concepts-practice-questions-2026-flash-cards/?new 2/5
FDNY P-99 Certificate of Fitness: Key Concepts &
Practice Questions 2026
Save
Practice questions for this set
Learn 1 /7 Study with Learn
Terms in this set (50)
What color flame indicates lack of Red smoky flame
oxygen?
What device controls water Aquastat
temperature in a boiler?
What removes dirt from oil before Oil strainer
the burner?
https://quizlet.com/1158857696/fdny-p-99-certificate-of-fitness-key-concepts-practice-questions-2026-flash-cards/?new 1/5
, 3/22/26, 5:41 PM FDNY P-99 Certificate of Fitness: Key Concepts & Practice Questions 2026 Flashcards | Quizlet
What device prevents boiler Low water cutoff
operation without water?
What temperature defines low- 600°F or less
temperature equipment?
What must the operator do during Be present in the boiler room
burner startup?
What indicates incomplete Black smoke
combustion?
What device measures pressure Vacuum gauge
below atmospheric pressure?
What carries combustion gases Chimney
outside?
What is the minimum passing score 70%
for FDNY COF exams?
What is the purpose of a safety relief Prevent excessive pressure
valve?
What happens when too much air White dazzling flame
enters combustion?
What fuel is commonly used in oil Heating oil
burners?
What instrument measures boiler Pressure gauge
pressure?
https://quizlet.com/1158857696/fdny-p-99-certificate-of-fitness-key-concepts-practice-questions-2026-flash-cards/?new 2/5
