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NORA (QUESTIONS WELL ANSWERED) A+ RATED

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NORA (QUESTIONS WELL ANSWERED) A+ RATED

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NORA
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NORA
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Uploaded on
November 11, 2025
Number of pages
28
Written in
2025/2026
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NORA (QUESTIONS WELL
ANSWERED) A+ RATED

Petroleum products are made of what two chemical compounds? - correct answer ✔✔
Hydrogen, Carbon



What happens to oil's viscosity as temperature decreases? - correct answer ✔✔ Increases



Bacterial growth and sludge occur when ______________ is present in the bottom of an oil
tank. - correct answer ✔✔ Water



The allowable sulfur content of #2 heating oil is_______________? - correct answer ✔✔ 0.05%
to 0.5%



What is the flash point for #2 heating oil? - correct answer ✔✔ 100°F



What is the cloud point for #2 heating oil? - correct answer ✔✔ 10-20° above pour point



The cloud point is ___________than the pour point. - correct answer ✔✔ Higher



What is the BTU content for 1 gallon of #2 heating oil? - correct answer ✔✔ 139,000 btu



The cloud point is 10-20 degrees above than the ________ point? - correct answer ✔✔ Pour



Petroleum is only used to create fuel for heat and transportation. - correct answer ✔✔ False

,When Water detection paste encounters water it will _______________ - correct answer ✔✔
Changes color



As temperature rises viscosity _________ - correct answer ✔✔ Decreases



The ignition point of #2 oil is 750 degrees F. - correct answer ✔✔ False



Tank cleaning is a part of yearly maintenance. - correct answer ✔✔ False



Water can enter a storage tank by condensation. - correct answer ✔✔ True



Oil will not flow properly below 17 degrees F . - correct answer ✔✔ True



Oil Filters can be made of ___________ - correct answer ✔✔ Wool



When fuel containing Sulfur is burned it can produce _____________ which creates a scaly red
or yellow colored crust? - correct answer ✔✔ Sulfuric Acid



Oil has a flash point of _______ degrees? - correct answer ✔✔ 100



The BTU content of #2 heating fuel is approximately ______? - correct answer ✔✔ 139000 BTU



Water can collect in storage tanks through condensation? - correct answer ✔✔ True



Dirt/dust on the fan blades will ______________ the combustion air. - correct answer ✔✔
Reduce

, Today's oil burners have ___________static pressures than burners produced in the 80's and
earlier. - correct answer ✔✔ Higher



For combustion to take place we need: Fuel, Air and _____________. - correct answer ✔✔ Heat



The two most common motors used today are: split phase type and _____________. - correct
answer ✔✔ PSC



Which air is most desirable for combustion? ___________ - correct answer ✔✔ Secondary



Today's fuel pumps pressurize the fuel to ________psi. - correct answer ✔✔ 100-200 Psi



Ignition transformers and solid state igniters step-up from 120v. to over ____________volts. -
correct answer ✔✔ 10,000 volts



Oil flow rates are based on _________? - correct answer ✔✔ GPH



What is the most important final adjustment on today's oil-burners? ________________ -
correct answer ✔✔ Air



Primary air has the least desirable effect on combustion. - correct answer ✔✔ True



A flame retention head is less efficient then a non-flame retention head. - correct answer ✔✔
True



The amount of oil is based on the flow rate in gallons per hour (GPH) that you wish to burn. -
correct answer ✔✔ True
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