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Troubleshooting Oil Heating Questionsand Answers Graded A+
In a typical oil burner, the oil is ignited by ______. ✔✔Electrodes In a furnace equipped with a solenoid oil flow valve, the valve will close when _______. ✔✔Power is removed
The component that turns the oil burner and blower on and off in response to external commandsis the ________. ✔✔Primary control
The cad cell in an oil furnace performs the same function as which device in a gas furnace? ✔✔Flame detector
A two-line oil piping system is used when the oil supply level is below the burner because it_______. ✔✔Eliminates the need to bleed air from the lines
If a furnace is found with a puddle of oil in the combustion chamber, ________.soak up the excess oil from the chamber ✔✔Pump out or
A pulsating sound coming from an oil furnace indicates ________.combustion chamber ✔✔The flame is touching the
The highest AFUE-rated oil furnace that a technician is likely to encounter is _______.percent ✔✔86.
When a flame retention head burner is used, the smoke level should be adjusted for _______. ✔✔Zero smoke
An uncovered cad cell tested with an ohmmeter produces a readi ________. ✔✔Do nothing; The cell is working properly ng of 800 Ω. The next step is to
A faulty nozzle should be ________. ✔✔Replaced If a varnish-like substance has formed on an oil burner nozzle, it indicates that the _______. ✔✔Furnace is overheating
Which of these conditions is likely to cause overheating? ✔✔A nozzle that is too large
