Unit 32 - Oil Heat Exam Questions & Answers (RATED +)

When nozzles problems are apparent, the nozzle should be removed using ____ and replaced - ANSWER-a special nozzle wrench The cad cell relay is a safety device that uses which of the following to prove ignition? - ANSWER-light in the combustion chamber The stack switch or stack relay _____. - ANSWER-shuts down the burner if it does not sense heat in the stack A condensing oil furnace operates at a higher efficiency because part of the heat output is ____. - ANSWER-latent heat Improper combustion can lead to ____. - ANSWER-excessive carbon monoxide production, smoke condition around furnace, and wasted oil To make combustion efficiency tests, a hole must be made ____. - ANSWER-in the flue pipe before the draft control Oil tanks should be checked for water at least once a month. (T/F) - ANSWER-false Tanks that are to be installed underground must be protected against corrosion. (T/F) - ANSWER-true Tank piping should be inspected regularly for imperfections and leaks. (T/F) - ANSWER-true In a single stage fuel oil pump, the oil is fed to the burner by capillary action. (T/F) - ANSWER-false Oil burner nozzles are rated at 100 psig nozzle pressure (T/F) - ANSWER-true Nozzles can be cleaned to remove any carbonization by using a very fine wire brush. (T/F) - ANSWER-false When any product containing hydrogen and/or carbon reacts with oxygen to release heat energy, the process is called _____. - ANSWER-combustion