MASSACHUSETTS Oil Burner License 2026-2027
Comprehensive Frequently Tested Questions With
Verified Multiple Choice and Conceptual Actual
100% Correct Detailed Answers
Guaranteed Pass!!Current Update!!
1. When hydrogen burns, what is produced?
A. Carbon dioxide
B. Oxygen
C. Water vapor
D. Nitrogen
2. Air trapped in the nozzle line can cause which condition?
A. Flame rollout
B. Delayed ignition
C. Smoky after-drip
D. No ignition
3. What are the three primary functions of an oil burner nozzle?
A. Heat, ignite, and circulate
B. Filter, regulate, and spray
C. Atomize, meter, and pattern the fuel
D. Vaporize, ignite, and exhaust
Correct Answer: C
4. Which two voltage circuits are used in a primary control?
A. AC and DC
B. High and low resistance
,C. Line voltage and low voltage
D. Primary and secondary
Correct Answer: C
5. What is the primary purpose of a fuse?
A. Control voltage
B. Prevent overheating
C. Protect the circuit from overcurrent
D. Regulate current flow
Correct Answer: C
6. What does the high-limit cut-out control do?
A. Starts the burner
B. Controls combustion air
C. Shuts down the system at maximum safe temperature or pressure
D. Controls the pump motor
Correct Answer: C
7. How is the high-limit cut-in determined?
A. Differential plus cut-out
B. Cut-out minus differential
C. Maximum pressure setting
D. Room temperature
Correct Answer: B
8. What is the maximum lockout time for a burner with a 3 GPH firing rate?
, A. 15 seconds
B. 30 seconds
C. 45 seconds
D. 60 seconds
Correct Answer: C
9. What is the minimum stack temperature required for a stack switch to operate
properly?
A. 250°F
B. 300°F
C. 350°F
D. 400°F
Correct Answer: D
10. At what oil storage capacity is a permit required?
A. 5 gallons
B. 10 gallons
C. 25 gallons
D. 55 gallons
Correct Answer: B
11. What is the main function of an oil burner primary control?
A. Control oil pressure
B. Prove flame safety
C. Regulate air flow
D. Control pump operation
Correct Answer: B
Comprehensive Frequently Tested Questions With
Verified Multiple Choice and Conceptual Actual
100% Correct Detailed Answers
Guaranteed Pass!!Current Update!!
1. When hydrogen burns, what is produced?
A. Carbon dioxide
B. Oxygen
C. Water vapor
D. Nitrogen
2. Air trapped in the nozzle line can cause which condition?
A. Flame rollout
B. Delayed ignition
C. Smoky after-drip
D. No ignition
3. What are the three primary functions of an oil burner nozzle?
A. Heat, ignite, and circulate
B. Filter, regulate, and spray
C. Atomize, meter, and pattern the fuel
D. Vaporize, ignite, and exhaust
Correct Answer: C
4. Which two voltage circuits are used in a primary control?
A. AC and DC
B. High and low resistance
,C. Line voltage and low voltage
D. Primary and secondary
Correct Answer: C
5. What is the primary purpose of a fuse?
A. Control voltage
B. Prevent overheating
C. Protect the circuit from overcurrent
D. Regulate current flow
Correct Answer: C
6. What does the high-limit cut-out control do?
A. Starts the burner
B. Controls combustion air
C. Shuts down the system at maximum safe temperature or pressure
D. Controls the pump motor
Correct Answer: C
7. How is the high-limit cut-in determined?
A. Differential plus cut-out
B. Cut-out minus differential
C. Maximum pressure setting
D. Room temperature
Correct Answer: B
8. What is the maximum lockout time for a burner with a 3 GPH firing rate?
, A. 15 seconds
B. 30 seconds
C. 45 seconds
D. 60 seconds
Correct Answer: C
9. What is the minimum stack temperature required for a stack switch to operate
properly?
A. 250°F
B. 300°F
C. 350°F
D. 400°F
Correct Answer: D
10. At what oil storage capacity is a permit required?
A. 5 gallons
B. 10 gallons
C. 25 gallons
D. 55 gallons
Correct Answer: B
11. What is the main function of an oil burner primary control?
A. Control oil pressure
B. Prove flame safety
C. Regulate air flow
D. Control pump operation
Correct Answer: B
