Oil burners test study with Complete Solutions

Oil burners test study with Complete Solutions What are the three major functions for a fuel unit on an oil burner? - Answer-lift the oil from the tank to the burner, deliver oil at a constant and regulated pressure to the nozzle, provides clean cutoff of fuel. What are the two major types of fuel units? - Answer-single-stage and two-stage What does the first set of gears do on a two stage fuel unit? - Answer-pull oil from the tank What does the second set of gears do on a two stage fuel unit? - Answer-pushes oil to the nozzle what is the difference between a single stage and two stage fuel unit? - Answer-single-stage has 1 set of gears while two-stage has 2 set of gears and the amount of vacuum the can pull There can be a one pipe or a two pipe oil system from the tank, when is a by-pass plug required? - Answer-If the system is piped with a two pipe system A single stage pump with a one pipe system has a maximum vacuum rating of what? - Answer-6" HG A single stage two pipe system can have a maximum vacuum rating of what? - Answer-12" HG A two stage pump which is usually always a two pipe system has a maximum vacuum rating of what? - Answer-17" HG What is the difference between an electronic igniter and a transformers? - Answer-Transformers use a step-up coil that inputs 120v and outputs 10,000v while igniters uses electronics to create a 14,000v spark using electrodes Is the transformer a step up or down? - Answer-step up What is the normal voltage range for an igniter or transformer? - Answer-igniter is 14,000 - 20,000 volts while transformers are 10,000 - 14,000 volts