P99 Low Pressure Boilers Test Questions and
Answers Rated A
The fill line in an oil burner system is a line used The normal normal oil pressure for no. 6 oil
to - -Fill the storage tank with oil burner is - -Between 30 and 50 psi
The aquastat is located - -Below the water A back pressure relief valve is provided for safety
line if the - -Pressure becomes too great
The oil storage tank - -Provides the supply Carbon and hydrogen are - -Two principal
of oil for combustion in the oil burner elements of fuel oil
The temperature in the storage tank for # 6 oil is Oil is a liquid fuel and as such - -Will not
- -100 and 130 degrees Fahrenheit burn
A suction cup - -Circulates the oil A red smoky flame is an indication of - -A
throughout the system lack of air
The oil strainer removes the contaminants - The manual reset pressuretrol is a control that
-From the oil before the oil reaches the will shut down the a steam burner boiler if the -
burner -Pressure continues to rise above the
operating control settings
The vacuum gauge is a device that - -
Measures the pressure below atmospheric The safety or pop off valve is a device used to -
pressure -Relieve excessive steam pressure
Excessive vacuum readings indicate that there - The boiler steam pressure gauge shows the
-Is an obstruction in the suction line (such steam pressure - -Inside the steam boiler
as a dirty oil strainer)
The stack switch is the - -Primary control
Preheaters are used to heat the oil - -
Before the oil enters the burner for combustion
The aquastat - -Operates the oil burner for
domestic hot water needs
The oil is heated between - -160 and 180
Fahrenheit
The photoelectric cell is a - -Flame
detection control
1/2
Answers Rated A
The fill line in an oil burner system is a line used The normal normal oil pressure for no. 6 oil
to - -Fill the storage tank with oil burner is - -Between 30 and 50 psi
The aquastat is located - -Below the water A back pressure relief valve is provided for safety
line if the - -Pressure becomes too great
The oil storage tank - -Provides the supply Carbon and hydrogen are - -Two principal
of oil for combustion in the oil burner elements of fuel oil
The temperature in the storage tank for # 6 oil is Oil is a liquid fuel and as such - -Will not
- -100 and 130 degrees Fahrenheit burn
A suction cup - -Circulates the oil A red smoky flame is an indication of - -A
throughout the system lack of air
The oil strainer removes the contaminants - The manual reset pressuretrol is a control that
-From the oil before the oil reaches the will shut down the a steam burner boiler if the -
burner -Pressure continues to rise above the
operating control settings
The vacuum gauge is a device that - -
Measures the pressure below atmospheric The safety or pop off valve is a device used to -
pressure -Relieve excessive steam pressure
Excessive vacuum readings indicate that there - The boiler steam pressure gauge shows the
-Is an obstruction in the suction line (such steam pressure - -Inside the steam boiler
as a dirty oil strainer)
The stack switch is the - -Primary control
Preheaters are used to heat the oil - -
Before the oil enters the burner for combustion
The aquastat - -Operates the oil burner for
domestic hot water needs
The oil is heated between - -160 and 180
Fahrenheit
The photoelectric cell is a - -Flame
detection control
1/2
