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OIL HEAT exam 2024 with 100% correct answers

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The oil-fired, forced-warm-air furnace has two main systems: Which are... correct answersHeat-producing system and heat-distributing system What is the heat-producing system? correct answersconsists of the oil burner, fuel supply components, combustion chamber, and heat exchanger. What is the heat-distribution system? correct answerscomposed of the blower, which moves the air through the ductwork, and other related components After the thermostat calls for heat, what happens? correct an...

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NFPA 31 Standard For The Installation Of Oil-Burning Equipment 2011 Edition exam with 100% correct answers

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Authority Having Jurisdiction (AHJ) correct answersAn Organization, Office, Or Individual Responsible For Enforcing The Code, For approving equipment, materials, and installation, or a procedure Boiler correct answersA Vessel Which Water Is Heated, Steam Is Generated, SuperHeated, Or In Witch Any Combustion Takes Place High Pressure Boiler correct answersPressures Above 15PSI Low Pressure Boiler correct answersPressure Not To Exceed 15PSI BTU'S correct answersBritish Thermal Unit, A...

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Oil Furnace Troubleshooting exam 2024 with 100% complete solutions

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What is the BUT input rating of an oiled-fired furnace that uses an nozzle rated at .85 gph? correct answers119,000btu/h What are two problems that can cause an oil-fired gun burner to operate below 100 psig? correct answersa bad oil pump and a plugged in-line filter technician a says that the input voltage of an ignition transformer used on an gun-type oil burner is 208 volts, and the output voltage is 15,000 volts. technician b says that the input voltage of an ignition transformer us...

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OBT3 EXAM 2024 WITH 100% CORRECT ANSWERS

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Which of the following should be worn when using power tools? a) Safety glasses b) A hard hat c) Leather gloves d) Safety boots correct answersA What is the minimum acceptable type of respiratory protection to be used when cleaning a soot filled furnace? correct answersDisposable Filter Masks What is the proper vertical to horizontal distance ratio for ladder placement? correct answers3:1 or 4:1 What muscles or parts of your body should you primarily use to lift a weight from th...

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Oil Furnaces exam 2024 with correct answers

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You come across an oil furnace that has a tripped primary control. You should A) reset the primary controller and attempt to fire the burner. B) not reset the primary control, and attempt to view the firepot for pooling oil. C) reset the primary control, but do not attempt to fire the burner. D) not reset the primary control, and attempt to view the heat exchanger for pooling oil. correct answersThe answer is NOT RESET THE PRIMARY CONTROL, AND ATTEMPT TO VIEW THE FIREPOT FOR POOLING...

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Unit 32 OIl Heat exam 2024 with complete solutions

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How many grades of fuel oil are normally considered as heating oils. correct answersThere are six What two elements make up fuel oil correct answersCarbon and Hydrogen The most common fuel oil used for residential and light commercial is? correct answersNumber two As the temperature of an oil sample decreases; correct answersThe viscosity of the oil increases If oil is to be stored at temperatures lower than 20 degrees F. correct answersThe viscosity will be thicker. Explain why p...

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Boiler Final Exam 2024 with 100% correct answers

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The variable compassionately pressure at amazing fuel oil burner functions to correct answersProvide a wide range of combustion The process of breaking up fuel oil into fine particles to ensure good combustion is called correct answersAtomization The primary purpose of the sprayer play in the mechanica atomizing Oil burner is to correct answersProduce a fine uniform fuel must What is indicated by the code number 30 2Y20 stamped on the burner sprayer plate correct answersSprayer play ori...

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NORA Study Guide with 100% correct answers

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The key final adjustment for most oil burners is? correct answersCombustion Air Dirt or lint build-up in the bevel of the burner fan blades will? correct answersReduce the blade bevel and reduce the amount of air delivered To change the air ratio for different firing rates with an adjustable head burner you? correct answersMove the head forward or backward, against or away from the ring closing or opening the tertiary slot One advantage of high static pressure burners is? correct answer...

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527 CMR 4:00 Oil Burner Equipment (26-50) exam with verified solutions

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Constant-Level Valve correct answersA device for maintaining within a reservoir a constant level of oil fuel for delivery to an oil burner. Control, Limit correct answersAn automatic safety control responsive to changes in fluid flow or level, pressure, or temperature, and which is normally set beyond the operating range for limiting the operation of the controlled equipment by shutting off the energy supply Control, Primary Safety (Combustion Safeguard) correct answersA safety control res...

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6. NATE Industry Competency Exam: Oil Furnaces exam with correct answers 2024

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On a new oil furnace installation, the oil pump pressure is found to be 50 PSI. which of the following actions should be taken? a. Increase the pump pressure. b. Add a new fuel filter. c. Reduce the pump pressure. d. No action needed. correct answersA After installation and 20 min. of run time and oil furnace is found to have CO2 if 8%. which of the following could cause the low CO2 reading? a. Oil pump pressure of 100 psi. b. Misaligned cad cell. c. Excess primary air. d. Dirty c...

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