Oil furnace - Study guides, Class notes & Summaries

Boilermaker NCCR Test Questions And Answers Boilermaker NCCR Test 1 ft 3-3/4 in + 2 ft 1-1/16 in +5 ft 10- 7/8 in = - ANS 9 ft 3-11/16 in A 1-inch plate is to be cut. Why should an acetylene gerulator on a cutting rig not be adjusted over 15 PSI? - ANS Acetylene is unstable above this pressure A big control valve is pulled who is responsible for the rigging? - ANS Crane operator and rigger A boiler maker must have all of the following wh...

G2 Final Exam Questions and answers with 100% Complete Solutions | verified &updated 2024 What is the min. diameter for a leak test gauge? - 3" Amp meter can read? - Conductor magnetic field. What would the primary voltage to the furnace be? - 120/1/60 What is the function of the intermittent pilot? - Stays on during the main burner operation. What is the millivolt power output of a closed circuit thermocouple? - 10 - 15 mv dc A pilot with a lazy yellow flame indicates? - Orifice is too l...

What must you do if you notice code violations in a homeowners house? - Answer Notify them and recommend ways to address them What must be done when performing an annual tune-up on a heating system? - Answer A combustion efficiency test and a copy must be posted on site Whenever a furnace, direct fired hot water heater, or boiler is installed the total installation must be brought into compliance with what requirements BEFORE appliance can be fired? - Answer NFPA 31 When an emerge...

Oil Furnaces Questions and Answers 100% Pass 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. The answer is NOT RESET THE PRIMARY CONTROL, AND ATTEM...

What must you do if you notice code violations in a homeowners house? - Answer Notify them and recommend ways to address them What must be done when performing an annual tune-up on a heating system? - Answer A combustion efficiency test and a copy must be posted on site Whenever a furnace, direct fired hot water heater, or boiler is installed the total installation must be brought into compliance with what requirements BEFORE appliance can be fired? - Answer NFPA 31 When an eme...

Oil furnace Questions and Answers 100% Pass What is the heating value of a number 2heating oil? 140,000 BTU/gallon What is the common operating pressure of a high-pressure oil burner? 100psig What is the secondary voltage of the ignition transformer used on a high-pressure oil burner? 10,000 volts What is the purpose of an electrode in a high-pressure gas burner? It is used to carry the spark to the point of ignition What is the measurement of the spark gap on an electrode as...

Oil Furnace Heating Practice Tests with Complete Questions and Answers 100% AccurateOil Furnace Heating Practice Tests with Complete Questions and Answers 100% AccurateOil Furnace Heating Practice Tests with Complete Questions and Answers 100% AccurateOil Furnace Heating Practice Tests with Complete Questions and Answers 100% Accurate1. Question 1 points Fuel Pump fail to prime when Suction inlet vacuum is greater than _______ of vacuum 20 inches 30 inches 15 inches 25 inches - ANSWER...

What is the first thing a tech should do when arriving at a no combustion call? - Answer- Ask how many times the customer reset the unit. What is the best long term solution for preventing a clogged nozzle? - Answer- -Remove any underground storage tanks. -Install a quality oil filter. -Cut the suction line 10" above the tank outlet to prevent sludge. Hot water and steam valves are interchangeable. - Answer- False When in the presence of a flame, a cad cell normally reads.. - Answe...

Mass oil burner / NFPA 31 & NORA Practice Questions and Answers (100% Pass) Cast iron fittings can be used in heating fuel systems? - Answer️️ -False Tank vent shall terminate - Answer️️ -Within 12 feet of the fill and visible from the fill Tanks exceeding 330 gallons must have - Answer️️ -Top supply connection Fuel return piping from an appliance shall - Answer️️ -Enter the top of the tank Oil appliances burning used oil shall only be installed - Answer️️ -In commerci...

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...