NORA REVIEW 2026 EXAM
QUESTIONS AND ANSWERS |
100% PASS
In a typical oil burner, the motor drives: - ANSWER ✔✔Both the fuel
unit and the fan
The key final adjustment for most oil burners is: - ANSWER
✔✔Combustion air
High static air pressure burners: - ANSWER ✔✔Enable boilers and
furnaces to have tighter more efficient heat exchanger passages
Dirt or lint build-up on the burnerfan blades will: - ANSWER
✔✔Reduce the amount of combustion air
,One gallon of #2 oil contains approximately: - ANSWER ✔✔140,000
BTU's
All petroleum products are chemical compounds of: - ANSWER
✔✔Hydrogen and Carbon
The pour point of #2 oil is: - ANSWER ✔✔The lowest temperature at
which oil will flow
Flash point of a fuel is an indication of: - ANSWER ✔✔The maximum
temperature at which it can be safely stored and handled without serious
fire hazard
The pour point of #2 oil can be reduced by: - ANSWER ✔✔Blending it
with kerosene
As heating oil gets colder its viscosity (thickness): - ANSWER
✔✔Increases
A tank without a vent alarm: - ANSWER ✔✔Should not be filled
Oil lines that contact concrete or dirt should be: - ANSWER
✔✔Coated or sleeved in plastic pipe with no fittings below the floor
What is the most common source of water in oil tanks? - ANSWER
✔✔Condensation
, The home for bacterial growth and sludge in the bottom of the oil tank is:
- ANSWER ✔✔Water
Pumping the old oil from a tank being replaced into the new tank: -
ANSWER ✔✔Must be avoided because it can lead to premature tank
failure
Fuel units perform the following functions: - ANSWER ✔✔Move oil
from the tank to the burner and deliver it at a constant regulated
pressure to the nozzle
The best way to clear a clogged oil line is to: - ANSWER ✔✔Use a
hand pump to suck the blockage out
If the oil level in the tank is 4 feet below and 10 feet away from the fuel
unit and the oil filter is clean the vacuum reading should be
approximately: - ANSWER ✔✔4 to 7 inches
If the operating vacuum is significantly less than the calculated vacuum
you probably have: - ANSWER ✔✔A suction line leak
If the operating vacuum reading is significantly above the calculated
vacuum you probably have: - ANSWER ✔✔A clogged oil filter
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2026. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
QUESTIONS AND ANSWERS |
100% PASS
In a typical oil burner, the motor drives: - ANSWER ✔✔Both the fuel
unit and the fan
The key final adjustment for most oil burners is: - ANSWER
✔✔Combustion air
High static air pressure burners: - ANSWER ✔✔Enable boilers and
furnaces to have tighter more efficient heat exchanger passages
Dirt or lint build-up on the burnerfan blades will: - ANSWER
✔✔Reduce the amount of combustion air
,One gallon of #2 oil contains approximately: - ANSWER ✔✔140,000
BTU's
All petroleum products are chemical compounds of: - ANSWER
✔✔Hydrogen and Carbon
The pour point of #2 oil is: - ANSWER ✔✔The lowest temperature at
which oil will flow
Flash point of a fuel is an indication of: - ANSWER ✔✔The maximum
temperature at which it can be safely stored and handled without serious
fire hazard
The pour point of #2 oil can be reduced by: - ANSWER ✔✔Blending it
with kerosene
As heating oil gets colder its viscosity (thickness): - ANSWER
✔✔Increases
A tank without a vent alarm: - ANSWER ✔✔Should not be filled
Oil lines that contact concrete or dirt should be: - ANSWER
✔✔Coated or sleeved in plastic pipe with no fittings below the floor
What is the most common source of water in oil tanks? - ANSWER
✔✔Condensation
, The home for bacterial growth and sludge in the bottom of the oil tank is:
- ANSWER ✔✔Water
Pumping the old oil from a tank being replaced into the new tank: -
ANSWER ✔✔Must be avoided because it can lead to premature tank
failure
Fuel units perform the following functions: - ANSWER ✔✔Move oil
from the tank to the burner and deliver it at a constant regulated
pressure to the nozzle
The best way to clear a clogged oil line is to: - ANSWER ✔✔Use a
hand pump to suck the blockage out
If the oil level in the tank is 4 feet below and 10 feet away from the fuel
unit and the oil filter is clean the vacuum reading should be
approximately: - ANSWER ✔✔4 to 7 inches
If the operating vacuum is significantly less than the calculated vacuum
you probably have: - ANSWER ✔✔A suction line leak
If the operating vacuum reading is significantly above the calculated
vacuum you probably have: - ANSWER ✔✔A clogged oil filter
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2026. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
