P99 Low Pressure Boilers Correct Questions & Answers!!

The stack switch is the {Ans: Primary control}The oil preheater {Ans: Raises the temperature of the oil for easier pumping and atomization}A suction cup {Ans: Circulates the oil throughout the system}A back pressure relief valve is provided for safety if the {Ans: Pressure becomes too great}Preheaters are used to heat the oil {Ans: Before the oil enters the burner for combustion}The fill line in an oil burner system is a line used to {Ans: Fill the storage tank with oil}The oil strainer removes the contaminants {Ans: From the oil before the oil reaches the burner}Carbon and hydrogen are {Ans: Two principal elements of fuel oil}The normal normal oil pressure for no. 6 oil burner is {Ans: Between 30 and 50 psi}A red smoky flame is an indication of {Ans: A lack of air}Excessive vacuum readings indicate that there {Ans: Is an obstruction in the suction line (such as a dirty oil strainer)}The manual reset pressuretrol is a control that will shut down the a steam burner boiler if the {Ans: Pressure continues to rise above the operating control settings}The temperature in the storage tank for # 6 oil