NORA Oil Heat Exam Review Questions & Answers.

What is the final adjustment you make when tuning up an oil burner? A)Draft B) Change Nozzle C)Oil Pressure D)Combustion Air - ANSWER D)Combustion Air What is the effect of having a dirty burner squirrel cage fan? A)Water Hammer B)Incomplete combustion C)Low Co2 D)Blocked Chimney - ANSWER B)Incomplete Combustion New burners produce "high static pressure" A)Produce more spark B)Push flue gases through tighter boilers C) Get better atomization - ANSWER B)Push flue gases through tighter boilers Water oil in tanks is necessary because? A) Adds btu value B) Provides a place for bacteria to grow - ANSWER B)Provides a place for bacteria to grow Water enters tanks through? A)Fill caps B)Vents C)Delivery truck D)All - ANSWER D)All A "vent alarm" A)Tells delivery person when to stop B)Call tech when flame fails C)Signals when air vent is clogged - ANSWER A)Tells delivery person when to stop The best way to clear a clogged oil line is to A)Turn the pump pressure up B)Use a Co2 cartridge C)Use a hand pump to suck the dirt out - ANSWER C)Use a hand pump to suck the dirt out The vacuum expected on pump can be calculated by 1"hg for every foot of lift and 1" for every 10' run. NOTE: 1/2 for filter A) T B)F - ANSWER A)T If there is an air leak in the oil suction line to a burner A)The ignitor will fail B)The flame may pulse C)Draft will increase - ANSWER B)The flame may pulse A fuel de-aerator removes small amounts of sludge from the oil A)T B)F - ANSWER B)F - it removes small amounts of air from the oil Nozzle after-drip can be caused by? A) Too large a nozzle B)Dirty Oil