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Hvac 108 Exam Questions With Correct Answers

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Combustion air for an oil burner is provided​ by_____. - ANSWER-a combustion air fan The output of the ignition transformer​ is_____. - ANSWER-10,000 volts The primary control starts burner operation in response to a signal from​ the_____. - ANSWER-room thermostat When replacing an oil burner​ nozzle, always use​ a(n)_____. - ANSWER-nozzle wrench When doing a smoke spot test on a heavy​ boiler, an acceptable smoke spot number​ is_____. - ANSWER-two When reviewing the...

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Oil Electric Final Exam Questions & Answers(GRADED A+)

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The heat anticipator in a thermostat is adjusted by the millivolts of the secondary circuit: T or F - ANSWER-True In MA 527CMR4.00 all electrical safety switches are wired in series: T or F - ANSWER-True A power venter is an electrically operated mechanical fan to exhaust combustion gas: T or F - ANSWER-True In MA any newly fired oil burner needs to be inspected by the department of public safety: T or F - ANSWER-False To wire an oil burner in MA you must be a licensed electrician: T...

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HVAC Residential Oil Burners Chpt. 1-8 Exam Questions & Answers(SCORED A+)

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boiler heats up hot water w/ a series of piping and circulates it - ANSWER-How does a hot water heating system operate? Uses a burner to heat the heat exchanger and uses a blower to blow across heat exchanger to travel to air duct work - ANSWER-How does a warm air heating system operate? 1. propane (LP) 2. coal 3. fuel oil - ANSWER-What are three types of fossil fuel? wax crystals form, gels up and the viscosity of the oil goes up - ANSWER-What happens to fuel oil when it is stored ou...

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Mass oil burner / NFPA 31 & NORA Exam Questions and Answers(RATED A)

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Cast iron fittings can be used in heating fuel systems? - ANSWER-False Tank vent shall terminate - ANSWER-Within 12 feet of the fill and visible from the fill Tanks exceeding 330 gallons must have - ANSWER-Top supply connection Fuel return piping from an appliance shall - ANSWER-Enter the top of the tank Oil appliances burning used oil shall only be installed - ANSWER-In commercial or industrial occupancies Technician must be present for filling of new oil tank - ANSWER-False A...

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Oil Burners for Heating Boilers Exam Questions & Answers(GRADED A)

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The reducing of oil into very small particles is termed a) fluidization b) fractionation c) turbulence d) atomization e) distillation - ANSWER-d Before atomization can occur, heavy oils are heated to approximately a) 203 degrees C b) 95 degrees C c) 115 degrees C d) 75 degrees C - ANSWER-b An air atomizing burner utilizes an air pressure of approximately a) 15 kPa b) 150 kPa c) 75 kPa d) 95 kPa e) 100 kPa - ANSWER-e An air atomizing compressor...

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Oil burner components Exam Questions & Answers Graded 100%

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Oil Burner Motor - ANSWER-Drives the blower wheel and fuel pump by means of a shaft coupling, spins at 3600rpms Squirrel Cage - ANSWER-Cylinder shaped fan assembly used to move air Coupling - ANSWER-A device for joining 2 fluid-flow lines Oil Pump - ANSWER-Transfers oil from the supply tank, increases pump pressure to 100/140 psig Cad Cell - ANSWER-A device containing cadmium sulfide used to prove the flame in an oil-burning furnace Transformer/igniter - ANSWER-Increases voltage 1...

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Oil burner 2 Exam Questions and Answers 100% Accurate

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SSU - ANSWER-Say bolt both seconds universal Carbon residue - ANSWER-Amount of carbon left in a sample of oil after boiling oxygen-free atmosphere Pour point - ANSWER-Lowest temperature at which the fuel can be stored and handled Ash content - ANSWER-Amount of non combustible materials contained in the fuel oil Distillation quality - ANSWER-Describes ability of the oil to be vaporized, lighter oil turns into vapor easier than heavy oil Tank sizes - ANSWER-Tanks are available from ...

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Oil Burner Exam Questions and Answers 100% Correct

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Atomizing type burners were designed to burn which type of fuel? - ANSWER-No. 2 fuel oil Pour point problems with outside above ground fuel tanks can be partially relieved by: - ANSWER-All of the above - relocating the outside fuel filter and strainers to the inside , switching to No. 1 fuel oil, reducing the pour point of No. 2 fuel oil by blending it with No. 1 fuel oil A fuel oil storage tank cannot be installed: - ANSWER-In the furnace room with 5' of heating unit The primary purpo...

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Wall Street Prep Exam Bundle GRADED A+!!

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Wall Street Prep Exam Bundle GRADED A+!!

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Illinois Exam Pack 2024 RATED!!

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Illinois Exam Pack 2024 RATED!!

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