Most common oil burners - 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...

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...

What are the 3 funtions of an Oil Burner nozzle? - Answer- Atomize, Meter, Patter. What are the 2 voltage circuits of a primary control? - Answer- Line & Low. What is the function of a fuse? - Answer- Protect circuit. What is the High Limit cut out? - Answer- Max safe Temp or Pressure setting. What is the High Limit cut in? - Answer- Cut out minus Differential. What is the "Max" Lockout time for a burner with a 3 GPH Flow Rate? - Answer- 45 Seconds. What is the minimum stack ...

NORA REVIEW QUESTIONS WITH 100% VERIFIED CORRECT ANSWERS In a typical oil burner, the motor drives: - Correct Answer Both the fuel unit and the fan The key final adjustment for most oil burners is: - Correct Answer Combustion air High static air pressure burners: - Correct Answer Enable boilers and furnaces to have tighter more efficient heat exchanger passages Dirt or lint build-up on the burnerfan blades will: - Correct Answer Reduce the amount of combustion air One gallon of #2 o...

NORA REVIEW LATEST UPDATE GRADED A+ In a typical oil burner, the motor drives: Both the fuel unit and the fan The key final adjustment for most oil burners is: Combustion air High static air pressure burners: Enable boilers and furnaces to have tighter more efficient heat exchanger passages Dirt or lint build-up on the burnerfan blades will: Reduce the amount of combustion air One gallon of #2 oil contains approximately: 140,000 BTU's All petroleum products are chemical co...

In an electric circuit for the wattage to remain the same if the voltage drops, the amperage must - Answer-Increase Atomizing type burners were designed to burn which type of fuel - Answer-Type 2 fuel oil Pour point problems with outside above ground fuel tanks can be partially relieved by - Answer-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...

Oil Burner License Exam Questions and Answers, Latest Updated 2024/2025 (Verified Answers) 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.. - Answer- 300-1000 ohms If a pump is used to bring oil to a l...

The basic methodology of the fire investigation should rely on the use of a ______________________ and attention to all relevant details. a. systematic approach b. approximation approach c. methodology approach d. general approach - ANSWER-a. systematic approach With few exceptions, the proper methodolgy for a fire or explosion investigation is to first _____________________ then investigate the cause, circumstances, conditions, or agencies that brought the ignition source, fuel, and ox...

Oil Burners Questions and Answers Rated A+ According to NFPA31-2001, what is the minimum size of the vent pipe on an oil storage tank 1 1/4 inch Nozzles are available with three different spray patterns: Solid, semi-hollow, hollow What type of motor is used on a residential high pressure oil burner Split phase The most common motor speeds used in amerian made burners are 1725 and 3250 rpm If an oil has a high viscosity It is a thicker oil A service technician performs a com...

Oil Burner License Exam Questions and Answers, Latest Updated 2024/2025 (Verified Answers) What is the first thing a tech should do when arriving at a no combustion call? - AnswerAsk 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. - A...