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MASSACHUSETTS OIL BURNER LICENSE NEWEST 2025 ACTUAL EXAM TEST BANK 350 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) -ALREADY GRADED A+

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MASSACHUSETTS OIL BURNER LICENSE NEWEST 2025 ACTUAL EXAM TEST BANK 350 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) -ALREADY GRADED A+










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Uploaded on
April 12, 2025
Number of pages
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Written in
2024/2025
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Exam (elaborations)
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Oil burner License Study Guide ( Massachusetts )
Study online at https://quizlet.com/_1xk6kn
1. What are the 3 funtions of an Oil Burner nozzle?: Atomize, Meter, Patter.
2. What are the 2 voltage circuits of a primary control?: Line & Low.
3. What is the function of a fuse?: Protect circuit.
4. What is the High Limit cut out?: Max safe Temp or Pressure setting.
5. What is the High Limit cut in?: Cut out minus Differential.
6. What is the "Max" Lockout time for a burner with a 3 GPH Flow Rate?: 45
Seconds.
7. What is the minimum stack temperature which will allow a stack switch to
work?: 400 degrees F
8. When do you apply a permit to store oil?: 10 gallons.
9. What is the "Main" function of an oil burner Primary Control?: Prove Flame.
10. Stack Relay must be reset after lockout? True? or False?: True.
11. What is the Required minimum height required for fill and vent pipes?: 3
Feet.
12. What is the smallest vent pipe used for residential.: 1 inch 1/4
13. What size is the oil line for a residential burner?: 3/8
14. Largest oil capacity for residential without a license?: 10,000 Gallons
15. At what height ceiling would a second thermal switch be required?: 12'
16. A typical residential oil burner is also s/u to run Kerosene True? Or False?-
: False
17. Permit to install an oil burner is issued by the?: State Fire Marshall
18. Draft measurements are taken in what?: Inches of water column
19. Pressure Relief for a Hot Water Boiler is?: 30 Psi
20. Pressure Relief for a Steam Boiler is?: 15 Psi
21. How many cubic feet of Air is required for a 1 gallon nozzle?: 1,400
22. If a power vent fails to start or shuts down during operation, will this affect
the burner? Yes? Or No?: Yes
23. A Hot Water Boiler needs a low water cut off if over 300,000 B.T.U's?: False
24. What is the proper draft setting for an oil burner?: .02 Inches WC
25. Taco Zones Valves draw .9 Amps? True? Or False?: True
26. An oil burner tank must be how many feet minimum from an oil burner?: 5
Feet Minimum
27. What is the gauge thickness for a 220 Gallon tank?: 12 Gauge
28. What is a good cad cell reading in the light?: 300 -1,000
29. What is a good cad cell reading in the dark?: 100,000
30. What device sees flame failure and causes it to lockout?: Cad Cell
31. A boiler has been flooded by recent rain. What would be the most common
problem for a burner as a result: Electrical damage

1/5

, Oil burner License Study Guide ( Massachusetts )
Study online at https://quizlet.com/_1xk6kn
32. What is the minimum size of pipping for copper and black pipe in a
residential installation?: 3/8 unless over 100 ft
33. If you increased the air on a burner what would happen to the Co2 Read-
ing?: It would go down
34. If you increased the air on a burner what would happen to stack tempera-
ture?: It would go up
35. Give 2 reasons why draft is necessary?: Remove flu gasses & efficiency.
36. Would an increase in excess air raise or lower the stack temp?: Raise
37. Where should a hot water temp operating control not be located?: Away
from the tankless coil
38. What are the requirements for pressure controls for boilers?: Line Voltage,
( Max 15 psi ) , Mounted on pigtail, and above water line.
39. What info on an oil burner certifies it has been approved by the Marshall?-
: Mass Approval #
40. What is a scavenger period?: Pre + Post Purge
41. What are two methods used by domestic oil burners to prepare oil for
combustion.: Atomize & Vaporize
42. What is composition of #2 fuel oil?: 85% carbon & 15% Hydrogen
43. What must be installed on gravity oil burners for safety?: Constant Level
Valve
44. After a Thermostat has been installed what should be checked?: Level,
Heat Anticipator, Calibration
45. What is a Cad Cell ?: A light sensitive Resistor
46. What is the melting point of solder used on oil lines?: 500 Degrees F
47. Why should you not allow an oil pump to create more then 12" of Vacuum?-
: Cavitation
48. What parts are replaced on an annual tune-up?: Filter, nozzle, strainer, and
pump Gasket
49. When is alarm used on an oil tank?: When you can not tell what level while
filling
50. What info must be given when buying a new pump?: Rpm's, rotation, inlet
port, outlet port, and stage of pump?
51. Name 3 causes of delayed ignition ?: Weak Transformer, Bad Electrodes, and
bad spray pattern/clogged nozzle
52. What is the voltage output of an ignition transformer?: 10,000 Standard &
14,000 Rotary
53. What determines the GPH of a nozzle ?: The Orriface
54. Inner parts of a nozzle can be changed? True? Or False?: False. You never
change the inner parts of a nozzle
2/5

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