1|Page
FDNY P-99 C OF F EXAM NEWEST 2025/2026 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (100%
VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED||
What safety mechanism shuts down the burner when there is
insufficient water levels? - ANSWER-The low water cut off
What does the gauge glass indicate? - ANSWER-The water levels
in the boiler
What is the primary control of the burner? - ANSWER-The stack
switch, triggered when there's no bear in the smoke stack
What is a general requirement of the location of the installation of
a boiler? - ANSWER-Adequate clearance from combustile
construction
What temperature must the materials remain under during
combustion? - ANSWER-170 degrees
What is a requirement for the access of the boiler? - ANSWER-
Access for operation and maintenance must not be hazardous
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What is required upon installation to operate a boiler? - ANSWER-
Inspection and test resulting in equipment use permit from
commissioner
How often should a boiler be inspected? - ANSWER-Once a year
What documentation is required from a certificate holder? -
ANSWER-Owners annual statement
What is required to hydrostatically test upon installation and who
should perform these tests? - ANSWER-Liquid fuel piping and fuel
oil storage tanks by the installing contractor
At what pressure should piping be tested? - ANSWER-1/2 max
working pressure but less than pressure required for storage tank
At what pressure should oil storage tanks be tested? - ANSWER-
At 1 1/2x max working pressure but never < 25 psi
FDNY P-99 C OF F EXAM NEWEST 2025/2026 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (100%
VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED||
What safety mechanism shuts down the burner when there is
insufficient water levels? - ANSWER-The low water cut off
What does the gauge glass indicate? - ANSWER-The water levels
in the boiler
What is the primary control of the burner? - ANSWER-The stack
switch, triggered when there's no bear in the smoke stack
What is a general requirement of the location of the installation of
a boiler? - ANSWER-Adequate clearance from combustile
construction
What temperature must the materials remain under during
combustion? - ANSWER-170 degrees
What is a requirement for the access of the boiler? - ANSWER-
Access for operation and maintenance must not be hazardous
, 2|Page
What is required upon installation to operate a boiler? - ANSWER-
Inspection and test resulting in equipment use permit from
commissioner
How often should a boiler be inspected? - ANSWER-Once a year
What documentation is required from a certificate holder? -
ANSWER-Owners annual statement
What is required to hydrostatically test upon installation and who
should perform these tests? - ANSWER-Liquid fuel piping and fuel
oil storage tanks by the installing contractor
At what pressure should piping be tested? - ANSWER-1/2 max
working pressure but less than pressure required for storage tank
At what pressure should oil storage tanks be tested? - ANSWER-
At 1 1/2x max working pressure but never < 25 psi
