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oil burners test study Exam Questions with Solutions
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oil burners test study ExamQuestions with Solutions
What are the three major functions for a fuel unit on an oil burner? - -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? - -single-stage and two-stage
-What does the first set of gears do on a two stage fuel unit? - -pull oil from
the tank
-What does the second set of gears do on a two stage fuel unit? - -pushes
oil to the nozzle
-what is the difference between a single stage and two stage fuel unit? - -
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? - -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? - -6" HG
-A single stage two pipe system can have a maximum vacuum rating of
what? - -12" HG
-A two stage pump which is usually always a two pipe system has a
maximum vacuum rating of what? - -17" HG
-What is the difference between an electronic igniter and a transformers? - -
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? - -step up
-What is the normal voltage range for an igniter or transformer? - -igniter is
14,000 - 20,000 volts while transformers are 10,000 - 14,000 volts
-What is the function of the motor? - -The motor spins the fan and fuel
pump
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