Oil furnace - Study guides, Class notes & Summaries

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 la...

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 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 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...

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 furnaces questions and answers 100% pass What is the purpose of the primary controller in an oil furnace? The answer is IT CYCLES THE BURNER. The primary controller is an automatic safety device installed on every oil furnace to shut off the burner if the flame is out. Oil furnaces are like gas furnaces in all of the following respects except A) fan/limit switch. B) blast tube. C) heat exchanger. D) ducts, registers, and grilles. The answer is BLAST TUBE. The blast tube is...

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...

Oil Furnace Heating Practice Tests Questions and Answers Already Passed 1. 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 15 inches Which of the following is used to ignite the fuel oil in the heating system: Step down transformer Step up transformer Step up transformer Air enters the heating system in following order: from combustion chamber, to turbulator, to draft tube f...

Oil Furnace Questions with 100% Correct Answers | Latest Version 2024 | Expert Verified | Ace the Test