FDNY COF P-98 test questions & Answers updated
solution | Latest Update | Exam Prep
1. Describe the role of a photoelectric cell in ensuring the safety of an oil
burner system.
The photoelectric cell monitors the flame to ensure it is present,
preventing unsafe conditions.
The photoelectric cell measures the temperature of the burner.
The photoelectric cell regulates the fuel flow to optimize combustion.
The photoelectric cell controls the air intake for efficient burning.
2. What do excessive vacuum readings in a suction line typically indicate?
Potential blockage or restriction in the line
Excessive fuel flow
Improper combustion process
Normal operation of the fuel system
3. What is the maximum steam pressure allowed for low pressure boilers?
15 psi
5 psi
30 psi
20 psi
4. Describe the significance of following the NYC Construction Codes for the
installation of oil-burning appliances.
Following the NYC Construction Codes ensures safety and
compliance with regulations for oil-burning appliances.
, Following the NYC Construction Codes guarantees lower installation
costs.
Following the NYC Construction Codes is optional and depends on
the installer.
Following the NYC Construction Codes only applies to residential
buildings.
5. What is the primary function of a vacuum gauge in an oil burner system?
It measures the temperature of the oil.
It measures the flow rate of the oil.
It measures the pressure difference in the system.
It measures the viscosity of the oil.
6. What is the temperature classification for MEDIUM TEMPERATURE
EQUIPMENT during standard operation?
Class 4
Class 1
Class 2
Class 3
7. What is one potential consequence of a blockage in the chimney or flue
passage of an oil burner?
Improved air supply
Increased fuel efficiency
Backdraft or carbon monoxide buildup
Enhanced combustion process
,8. A burner producing black smoke in an automatic auxiliary boiler, would be
caused by a/an ____ _.
grounded high tension lead
incorrect electrode setting
incorrect primary air setting
defective solenoid valve
9. Describe the implications of a white flame in an oil burner and how it affects
combustion efficiency.
A white flame is a normal occurrence and does not affect combustion.
A white flame suggests a malfunctioning burner that requires
immediate repair.
A white flame signifies optimal combustion conditions with maximum
efficiency.
A white flame indicates excessive air, which can lead to incomplete
combustion and reduced efficiency.
10. What is the unit of measurement used by pressure gauges in oil burning
systems?
Kilopascal
Pascal
PSI
Bar
11. What is the primary function of the main fuel valve in an oil burner system?
To monitor the temperature of the burner.
, To regulate air intake for combustion.
To control the flow of fuel oil to the burner.
To ignite the fuel oil in the combustion chamber.
12. What is the minimum distance a suction line must be from the bottom of an
oil tank to prevent sediment absorption?
24 inches
12 inches
18 inches
6 inches
13. When carbon in a fossil burns, it combines with oxygen to form __ _.
NO2
SO2
CO2
Ozone
14. If a technician notices glazing in an oil burner, what corrective action should
they take to address the issue?
Switch to a different fuel type
Increase the burner temperature
Increase the air supply to the combustion process
Reduce the fuel flow rate
15. The purpose of the primary control is?
solution | Latest Update | Exam Prep
1. Describe the role of a photoelectric cell in ensuring the safety of an oil
burner system.
The photoelectric cell monitors the flame to ensure it is present,
preventing unsafe conditions.
The photoelectric cell measures the temperature of the burner.
The photoelectric cell regulates the fuel flow to optimize combustion.
The photoelectric cell controls the air intake for efficient burning.
2. What do excessive vacuum readings in a suction line typically indicate?
Potential blockage or restriction in the line
Excessive fuel flow
Improper combustion process
Normal operation of the fuel system
3. What is the maximum steam pressure allowed for low pressure boilers?
15 psi
5 psi
30 psi
20 psi
4. Describe the significance of following the NYC Construction Codes for the
installation of oil-burning appliances.
Following the NYC Construction Codes ensures safety and
compliance with regulations for oil-burning appliances.
, Following the NYC Construction Codes guarantees lower installation
costs.
Following the NYC Construction Codes is optional and depends on
the installer.
Following the NYC Construction Codes only applies to residential
buildings.
5. What is the primary function of a vacuum gauge in an oil burner system?
It measures the temperature of the oil.
It measures the flow rate of the oil.
It measures the pressure difference in the system.
It measures the viscosity of the oil.
6. What is the temperature classification for MEDIUM TEMPERATURE
EQUIPMENT during standard operation?
Class 4
Class 1
Class 2
Class 3
7. What is one potential consequence of a blockage in the chimney or flue
passage of an oil burner?
Improved air supply
Increased fuel efficiency
Backdraft or carbon monoxide buildup
Enhanced combustion process
,8. A burner producing black smoke in an automatic auxiliary boiler, would be
caused by a/an ____ _.
grounded high tension lead
incorrect electrode setting
incorrect primary air setting
defective solenoid valve
9. Describe the implications of a white flame in an oil burner and how it affects
combustion efficiency.
A white flame is a normal occurrence and does not affect combustion.
A white flame suggests a malfunctioning burner that requires
immediate repair.
A white flame signifies optimal combustion conditions with maximum
efficiency.
A white flame indicates excessive air, which can lead to incomplete
combustion and reduced efficiency.
10. What is the unit of measurement used by pressure gauges in oil burning
systems?
Kilopascal
Pascal
PSI
Bar
11. What is the primary function of the main fuel valve in an oil burner system?
To monitor the temperature of the burner.
, To regulate air intake for combustion.
To control the flow of fuel oil to the burner.
To ignite the fuel oil in the combustion chamber.
12. What is the minimum distance a suction line must be from the bottom of an
oil tank to prevent sediment absorption?
24 inches
12 inches
18 inches
6 inches
13. When carbon in a fossil burns, it combines with oxygen to form __ _.
NO2
SO2
CO2
Ozone
14. If a technician notices glazing in an oil burner, what corrective action should
they take to address the issue?
Switch to a different fuel type
Increase the burner temperature
Increase the air supply to the combustion process
Reduce the fuel flow rate
15. The purpose of the primary control is?
