P99 low pressure boilers Questions and Correct Answers/ Latest Update / Already Graded

Page |1


P99 low pressure boilers Questions and
Correct Answers/ Latest Update / Already
Graded
The fill line in an oil burner system is a line used to

Ans: Fill the storage tank with oil


The aquastat is located

Ans: Below the water line


The oil storage tank

Ans: Provides the supply of oil for combustion in the oil burner


The temperature in the storage tank for # 6 oil is

Ans: 100 and 130 degrees Fahrenheit


A suction cup

Ans: Circulates the oil throughout the system


The oil strainer removes the contaminants


All rights reserved © 2025/ 2026 |

, Page |2


Ans: From the oil before the oil reaches the burner


The vacuum gauge is a device that

Ans: Measures the pressure below atmospheric pressure


Excessive vacuum readings indicate that there

Ans: Is an obstruction in the suction line (such as a dirty oil
strainer)


Preheaters are used to heat the oil

Ans: Before the oil enters the burner for combustion


The oil is heated between

Ans: 160 and 180 Fahrenheit


The normal normal oil pressure for no. 6 oil burner is

Ans: Between 30 and 50 psi


A back pressure relief valve is provided for safety if the



All rights reserved © 2025/ 2026 |