MASSACHUSETTS OIL BURNER LICENSE
COMPLETE EXAM STUDY QUESTIONS
WITH 100% VERIFIED ANSWERS
1. What are the 3 functions of an Oil Burner nozzle? - ANSWER Atomize,
Meter, Patter.
2. What are the 2 voltage circuits of a primary control? - ANSWER Line &
Low.
3. What is the function of a fuse? - ANSWER Protect circuit.
4. What is the High Limit cut out? - ANSWER Max safe Temp or Pressure
setting.
5. Taco Zones Valves draw .9 Amps? True? Or False? - ANSWER True
6. An oil burner tank must be how many feet minimum from an oil burner? -
ANSWER 5 Feet Minimum
7. What is the gauge thickness for a 220 Gallon tank? - ANSWER 12 Gauge
8. What is a good cad cell reading in the light? - ANSWER 300 -1,000
9. What is a good cad cell reading in the dark? - ANSWER 100,000
,10.What device sees flame failure and causes it to lockout? - ANSWER Cad
Cell
11.A boiler has been flooded by recent rain. What would be the most common
problem for a burner as a result - ANSWER Electrical damage
12.What is the minimum size of pipping for copper and black pipe in a
residential installation? - ANSWER 3/8 unless over 100 ft
13.If you increased the air on a burner what would happen to the Co2 Reading?
- ANSWER It would go down
14.If you increased the air on a burner what would happen to stack
temperature? - ANSWER It would go up
15.Give 2 reasons why draft is necessary? - ANSWER Remove flu gasses &
efficiency.
16.Would an increase in excess air raise or lower the stack temp? - ANSWER
Raise
17.Where should a hot water temp operating control not be located? -
ANSWER Away from the tankless coil
18.What are the requirements for pressure controls for boilers? - ANSWER
Line Voltage, ( Max 15 psi ) , Mounted on pigtail, and above water line.
19.What info on an oil burner certifies it has been approved by the Marshall? -
ANSWER Mass Approval #
,20.What is a scavenger period? - ANSWER Pre + Post Purge
21.What are two methods used by domestic oil burners to prepare oil for
combustion. - ANSWER Atomize & Vaporize
22.What is composition of #2 fuel oil? - ANSWER 85% carbon & 15%
Hydrogen
23.What must be installed on gravity oil burners for safety? - ANSWER
Constant Level Valve
24.After a Thermostat has been installed what should be checked? - ANSWER
Level, Heat Anticipator, Calibration
25.What is the High Limit cut in? - ANSWER Cut out minus Differential.
26.What is the "Max" Lockout time for a burner with a 3 GPH Flow Rate? -
ANSWER 45 Seconds.
27.What is the minimum stack temperature which will allow a stack switch to
work? - ANSWER 400 degrees F
28.When do you apply a permit to store oil? - ANSWER 10 gallons.
29.What is the "Main" function of an oil burner Primary Control? - ANSWER
Prove Flame.
, 30.Stack Relay must be reset after lockout? True? or False? - ANSWER True.
31.What is the Required minimum height required for fill and vent pipes? -
ANSWER 3 Feet.
32.What is the smallest vent pipe used for residential. - ANSWER 1 inch 1/4
33.What size is the oil line for a residential burner? - ANSWER 3/8
34.Largest oil capacity for residential without a license? - ANSWER 10,000
Gallons
35.At what height ceiling would a second thermal switch be required? -
ANSWER 12'
36.A typical residential oil burner is also s/u to run Kerosene True? Or False? -
ANSWER False
37.Permit to install an oil burner is issued by the? - ANSWER State Fire
Marshall
38.Draft measurements are taken in what? - ANSWER Inches of water column
39.Pressure Relief for a Hot Water Boiler is? - ANSWER 30 Psi
40.Pressure Relief for a Steam Boiler is? - ANSWER 15 Psi
COMPLETE EXAM STUDY QUESTIONS
WITH 100% VERIFIED ANSWERS
1. What are the 3 functions of an Oil Burner nozzle? - ANSWER Atomize,
Meter, Patter.
2. What are the 2 voltage circuits of a primary control? - ANSWER Line &
Low.
3. What is the function of a fuse? - ANSWER Protect circuit.
4. What is the High Limit cut out? - ANSWER Max safe Temp or Pressure
setting.
5. Taco Zones Valves draw .9 Amps? True? Or False? - ANSWER True
6. An oil burner tank must be how many feet minimum from an oil burner? -
ANSWER 5 Feet Minimum
7. What is the gauge thickness for a 220 Gallon tank? - ANSWER 12 Gauge
8. What is a good cad cell reading in the light? - ANSWER 300 -1,000
9. What is a good cad cell reading in the dark? - ANSWER 100,000
,10.What device sees flame failure and causes it to lockout? - ANSWER Cad
Cell
11.A boiler has been flooded by recent rain. What would be the most common
problem for a burner as a result - ANSWER Electrical damage
12.What is the minimum size of pipping for copper and black pipe in a
residential installation? - ANSWER 3/8 unless over 100 ft
13.If you increased the air on a burner what would happen to the Co2 Reading?
- ANSWER It would go down
14.If you increased the air on a burner what would happen to stack
temperature? - ANSWER It would go up
15.Give 2 reasons why draft is necessary? - ANSWER Remove flu gasses &
efficiency.
16.Would an increase in excess air raise or lower the stack temp? - ANSWER
Raise
17.Where should a hot water temp operating control not be located? -
ANSWER Away from the tankless coil
18.What are the requirements for pressure controls for boilers? - ANSWER
Line Voltage, ( Max 15 psi ) , Mounted on pigtail, and above water line.
19.What info on an oil burner certifies it has been approved by the Marshall? -
ANSWER Mass Approval #
,20.What is a scavenger period? - ANSWER Pre + Post Purge
21.What are two methods used by domestic oil burners to prepare oil for
combustion. - ANSWER Atomize & Vaporize
22.What is composition of #2 fuel oil? - ANSWER 85% carbon & 15%
Hydrogen
23.What must be installed on gravity oil burners for safety? - ANSWER
Constant Level Valve
24.After a Thermostat has been installed what should be checked? - ANSWER
Level, Heat Anticipator, Calibration
25.What is the High Limit cut in? - ANSWER Cut out minus Differential.
26.What is the "Max" Lockout time for a burner with a 3 GPH Flow Rate? -
ANSWER 45 Seconds.
27.What is the minimum stack temperature which will allow a stack switch to
work? - ANSWER 400 degrees F
28.When do you apply a permit to store oil? - ANSWER 10 gallons.
29.What is the "Main" function of an oil burner Primary Control? - ANSWER
Prove Flame.
, 30.Stack Relay must be reset after lockout? True? or False? - ANSWER True.
31.What is the Required minimum height required for fill and vent pipes? -
ANSWER 3 Feet.
32.What is the smallest vent pipe used for residential. - ANSWER 1 inch 1/4
33.What size is the oil line for a residential burner? - ANSWER 3/8
34.Largest oil capacity for residential without a license? - ANSWER 10,000
Gallons
35.At what height ceiling would a second thermal switch be required? -
ANSWER 12'
36.A typical residential oil burner is also s/u to run Kerosene True? Or False? -
ANSWER False
37.Permit to install an oil burner is issued by the? - ANSWER State Fire
Marshall
38.Draft measurements are taken in what? - ANSWER Inches of water column
39.Pressure Relief for a Hot Water Boiler is? - ANSWER 30 Psi
40.Pressure Relief for a Steam Boiler is? - ANSWER 15 Psi
