P99 Low Pressure Boilers Exam Questions Answered Correctly Latest Update 2026/2027
The fill line in an oil burner system is a line used to - Answers Fill the storage tank with oil
The aquastat is located - Answers Below the water line
The oil storage tank - Answers Provides the supply of oil for combustion in the oil burner
The temperature in the storage tank for # 6 oil is - Answers 100 and 130 degrees Fahrenheit
A suction cup - Answers Circulates the oil throughout the system
The oil strainer removes the contaminants - Answers From the oil before the oil reaches the
burner
The vacuum gauge is a device that - Answers Measures the pressure below atmospheric
pressure
Excessive vacuum readings indicate that there - Answers Is an obstruction in the suction line
(such as a dirty oil strainer)
Preheaters are used to heat the oil - Answers Before the oil enters the burner for combustion
The oil is heated between - Answers 160 and 180 Fahrenheit
The normal normal oil pressure for no. 6 oil burner is - Answers Between 30 and 50 psi
A back pressure relief valve is provided for safety if the - Answers Pressure becomes too great
Carbon and hydrogen are - Answers Two principal elements of fuel oil
Oil is a liquid fuel and as such - Answers Will not burn
A red smoky flame is an indication of - Answers A lack of air
The manual reset pressuretrol is a control that will shut down the a steam burner boiler if the -
Answers Pressure continues to rise above the operating control settings
The safety or pop off valve is a device used to - Answers Relieve excessive steam pressure
The boiler steam pressure gauge shows the steam pressure - Answers Inside the steam boiler
The stack switch is the - Answers Primary control
The aquastat - Answers Operates the oil burner for domestic hot water needs
The photoelectric cell is a - Answers Flame detection control
The vaporstat is - Answers A low pressure; pressure control mounted on the fan housing and
The fill line in an oil burner system is a line used to - Answers Fill the storage tank with oil
The aquastat is located - Answers Below the water line
The oil storage tank - Answers Provides the supply of oil for combustion in the oil burner
The temperature in the storage tank for # 6 oil is - Answers 100 and 130 degrees Fahrenheit
A suction cup - Answers Circulates the oil throughout the system
The oil strainer removes the contaminants - Answers From the oil before the oil reaches the
burner
The vacuum gauge is a device that - Answers Measures the pressure below atmospheric
pressure
Excessive vacuum readings indicate that there - Answers Is an obstruction in the suction line
(such as a dirty oil strainer)
Preheaters are used to heat the oil - Answers Before the oil enters the burner for combustion
The oil is heated between - Answers 160 and 180 Fahrenheit
The normal normal oil pressure for no. 6 oil burner is - Answers Between 30 and 50 psi
A back pressure relief valve is provided for safety if the - Answers Pressure becomes too great
Carbon and hydrogen are - Answers Two principal elements of fuel oil
Oil is a liquid fuel and as such - Answers Will not burn
A red smoky flame is an indication of - Answers A lack of air
The manual reset pressuretrol is a control that will shut down the a steam burner boiler if the -
Answers Pressure continues to rise above the operating control settings
The safety or pop off valve is a device used to - Answers Relieve excessive steam pressure
The boiler steam pressure gauge shows the steam pressure - Answers Inside the steam boiler
The stack switch is the - Answers Primary control
The aquastat - Answers Operates the oil burner for domestic hot water needs
The photoelectric cell is a - Answers Flame detection control
The vaporstat is - Answers A low pressure; pressure control mounted on the fan housing and
