NORA Bronze 2026-2027 Comprehensive
Frequently Tested Questions With Verified
Multiple Choice and Conceptual Actual 100%
Correct Detailed Answers
Guaranteed Pass!!Current Update!!
1. What does NORA recommend whenever a fuel tank is higher than the fuel
unit?
A. Check valve
B. De-aerator
C. Oil Safety Valve (OSV)
D. Pressure relief valve
Correct answer: C
2. Fuel unit rotation is opposite of burner motor rotation.
A. True
B. False
Correct answer: A
3. What are the primary functions of an oil burner nozzle?
A. Atomize air, regulate pressure, control draft
B. Atomize oil, provide spray pattern, meter oil flow
C. Increase pump pressure, shape flame, cool burner
D. Deliver fuel, regulate air, control ignition
Correct answer: B
,4. The best burner adjustment allows for smokeless operation with minimum
excess air, typically:
A. 5%–10%
B. 10%–20%
C. 25%–35%
D. 40%–50%
Correct answer: C
5. For proper installation, a nozzle heater must be wired:
A. In series with the motor
B. In series with the limit control
C. In parallel with the limit control
D. In parallel with the thermostat
Correct answer: C
6. Gallons per hour (GPH) stamped on an oil nozzle are based on a pressure of:
A. 50 PSI
B. 75 PSI
C. 100 PSI
D. 140 PSI
Correct answer: C
7. Which of the following methods can be used to combat cold oil problems?
A. Increase pump pressure only
B. Install a fuel de-aerator only
C. Install nozzle line heater only
,D. All of the above, including additives or #1 fuel
Correct answer: D
8. Increasing fuel pump pressure to 140 PSI will result in:
A. Lower flow rate and larger droplets
B. Increased flow rate, smaller droplets, reduced spray angle
C. No change in flow or pattern
D. Reduced efficiency
Correct answer: B
9. An increase in fuel oil viscosity results in:
A. Decreased flow and smaller droplets
B. Increased flow, larger droplets, wider spray angle
C. Increased flow, larger droplets, and more hollow spray pattern
D. No change in nozzle performance
Correct answer: C
10. When tightening a nozzle into the drawer assembly, it should be tightened:
A. Fully with a wrench
B. Until resistance is felt
C. Hand tight only
D. No more than ¼ turn with a wrench beyond hand tight
Correct answer: D
11. When nozzles are dirty or plugged, they should be:
A. Cleaned with solvent
B. Soaked overnight
C. Blown out with compressed air
, D. Replaced
Correct answer: D
12. Oil burner nozzles are normally cooled by:
A. Ambient air only
B. Combustion chamber insulation
C. Air and fuel flowing past or through them
D. Heat exchanger surfaces
Correct answer: C
13. The burner air tube should be installed approximately how far back from the
inside wall of the combustion chamber?
A. Flush with the wall
B. ⅛ inch
C. ¼ inch
D. ½ inch
Correct answer: C
14. Nozzle after-drip may be caused by:
A. Excess air only
B. High draft
C. Poor pump shutoff or air in the nozzle line
D. Clean nozzle assembly
Correct answer: C
15. Fuel must burn completely in suspension without contacting the:
A. Burner motor
B. Heat exchanger tubes
Frequently Tested Questions With Verified
Multiple Choice and Conceptual Actual 100%
Correct Detailed Answers
Guaranteed Pass!!Current Update!!
1. What does NORA recommend whenever a fuel tank is higher than the fuel
unit?
A. Check valve
B. De-aerator
C. Oil Safety Valve (OSV)
D. Pressure relief valve
Correct answer: C
2. Fuel unit rotation is opposite of burner motor rotation.
A. True
B. False
Correct answer: A
3. What are the primary functions of an oil burner nozzle?
A. Atomize air, regulate pressure, control draft
B. Atomize oil, provide spray pattern, meter oil flow
C. Increase pump pressure, shape flame, cool burner
D. Deliver fuel, regulate air, control ignition
Correct answer: B
,4. The best burner adjustment allows for smokeless operation with minimum
excess air, typically:
A. 5%–10%
B. 10%–20%
C. 25%–35%
D. 40%–50%
Correct answer: C
5. For proper installation, a nozzle heater must be wired:
A. In series with the motor
B. In series with the limit control
C. In parallel with the limit control
D. In parallel with the thermostat
Correct answer: C
6. Gallons per hour (GPH) stamped on an oil nozzle are based on a pressure of:
A. 50 PSI
B. 75 PSI
C. 100 PSI
D. 140 PSI
Correct answer: C
7. Which of the following methods can be used to combat cold oil problems?
A. Increase pump pressure only
B. Install a fuel de-aerator only
C. Install nozzle line heater only
,D. All of the above, including additives or #1 fuel
Correct answer: D
8. Increasing fuel pump pressure to 140 PSI will result in:
A. Lower flow rate and larger droplets
B. Increased flow rate, smaller droplets, reduced spray angle
C. No change in flow or pattern
D. Reduced efficiency
Correct answer: B
9. An increase in fuel oil viscosity results in:
A. Decreased flow and smaller droplets
B. Increased flow, larger droplets, wider spray angle
C. Increased flow, larger droplets, and more hollow spray pattern
D. No change in nozzle performance
Correct answer: C
10. When tightening a nozzle into the drawer assembly, it should be tightened:
A. Fully with a wrench
B. Until resistance is felt
C. Hand tight only
D. No more than ¼ turn with a wrench beyond hand tight
Correct answer: D
11. When nozzles are dirty or plugged, they should be:
A. Cleaned with solvent
B. Soaked overnight
C. Blown out with compressed air
, D. Replaced
Correct answer: D
12. Oil burner nozzles are normally cooled by:
A. Ambient air only
B. Combustion chamber insulation
C. Air and fuel flowing past or through them
D. Heat exchanger surfaces
Correct answer: C
13. The burner air tube should be installed approximately how far back from the
inside wall of the combustion chamber?
A. Flush with the wall
B. ⅛ inch
C. ¼ inch
D. ½ inch
Correct answer: C
14. Nozzle after-drip may be caused by:
A. Excess air only
B. High draft
C. Poor pump shutoff or air in the nozzle line
D. Clean nozzle assembly
Correct answer: C
15. Fuel must burn completely in suspension without contacting the:
A. Burner motor
B. Heat exchanger tubes
