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FDNY P-99 C of F, Certificate of Fitness Exam P-99, FDNY
Boiler Operator Exam, P-99 Test Bank, NYC Fire
Department Certification, FDNY Exam Questions, Low-
Pressure Boiler Certificate
What are the 4 safety controls implemented? - ANSWER-Oil
temperature control, ignition, stack/combustion control, and
high pressure and temperature control.
Is a chimney required to install a burner? - ANSWER-Yes
What temperature is no. 6 oil heated to in the tank? - ANSWER-
100-130 degrees
What does excessive readings in the vacuum gauge indicate? -
ANSWER-Obstruction in the the suction line, strainer must be
cleaned
What temperature do preheaters further heat the oil to? -
ANSWER-160-180 degrees
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When will the main fuel valve shut down the burner? -
ANSWER-When there's a failure of ignition or combustion
What is the purpose of the oil return line? - ANSWER-To
circulate oil that hasn't been atomized back into storage
When is the back pressure relief valve necessary? - ANSWER-
When the pressure in the burner is too great
What is normal pressure during combustion of no. 6 oil? -
ANSWER-30-50 psi
What is combustion and what is the result? - ANSWER-The
chemical union of oxygen in the air and combustible elements in
oil (hydrogen and carbon). The result is heat energy.
What percent of oil is carbon? - ANSWER-85%
What percent of oil is hydrogen? - ANSWER-14%
Can oil burn? Why or why not? - ANSWER-No it is a liquid
fuel and must be changed into a gas or vapor to burn
FDNY P-99 C of F, Certificate of Fitness Exam P-99, FDNY
Boiler Operator Exam, P-99 Test Bank, NYC Fire
Department Certification, FDNY Exam Questions, Low-
Pressure Boiler Certificate
What are the 4 safety controls implemented? - ANSWER-Oil
temperature control, ignition, stack/combustion control, and
high pressure and temperature control.
Is a chimney required to install a burner? - ANSWER-Yes
What temperature is no. 6 oil heated to in the tank? - ANSWER-
100-130 degrees
What does excessive readings in the vacuum gauge indicate? -
ANSWER-Obstruction in the the suction line, strainer must be
cleaned
What temperature do preheaters further heat the oil to? -
ANSWER-160-180 degrees
, 2|Page
When will the main fuel valve shut down the burner? -
ANSWER-When there's a failure of ignition or combustion
What is the purpose of the oil return line? - ANSWER-To
circulate oil that hasn't been atomized back into storage
When is the back pressure relief valve necessary? - ANSWER-
When the pressure in the burner is too great
What is normal pressure during combustion of no. 6 oil? -
ANSWER-30-50 psi
What is combustion and what is the result? - ANSWER-The
chemical union of oxygen in the air and combustible elements in
oil (hydrogen and carbon). The result is heat energy.
What percent of oil is carbon? - ANSWER-85%
What percent of oil is hydrogen? - ANSWER-14%
Can oil burn? Why or why not? - ANSWER-No it is a liquid
fuel and must be changed into a gas or vapor to burn
