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Oil Burners Exam Mock Test With Answer Rationales 2026

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Institution OIL BURNERS
Course OIL BURNERS
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OIL BURNERS EXAM MOCK TEST WITH ANSWER RATIONALES 2026

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OIL BURNERS EXAM MOCK TEST WITH
ANSWER RATIONALES 2026

◉ 2 stage oil pump.
Answer: Draws completely air free oil in second stage


◉ Fuel pump.
Answer: Fails to prime when the Inlet vacuum is greater than 15"
vacuum


◉ Stack thermometer.
Answer: Measures flue gas temp and ranges from 200/1,000°F


◉ Delayed ignition.
Answer: Caused by electrode problem


◉ Nozzle spray angle range from.
Answer: 30° to 90°


◉ Air enters heating system.
Answer: From draft tube, to turbulator, to combustion chamber

, ◉ High carbon dioxide content is.
Answer: Caused by insufficient draft or overfired burner


◉ Malfunctions in heating system.
Answer: Cause primary safety control to increase resistance across
cad cell until burner shuts off


◉ Hollow cone spray pattern advantage.
Answer: More stable during operation under same conditions/flow
rate


◉ Oil tank located above burner and is gravity fed oil shows a
vacuum gauge reading of.
Answer: Zero


◉ Fuel pump.
Answer: located on left side of burner


◉ Gun type oil burner.
Answer: Have high operating costs

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