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Examen

NORA STUDY GUIDE EXAM Q&A

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Subido en
23-06-2026
Escrito en
2025/2026

NORA STUDY GUIDE EXAM Q&A

Institución
NORA Bronze
Grado
NORA Bronze

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NORA STUDY GUIDE EXAM Q&A
What is the BTU content for 1 gallon of #2 heating oil? - ANSWER -139,000 btu

The cloud point is 10-20 degrees above than the ________ point? - ANSWER -Pour

Petroleum is only used to create fuel for heat and transportation. - ANSWER -False

When Water detection paste encounters water it will _______________ - ANSWER -
Changes color

As temperature rises viscosity _________ - ANSWER -Decreases

The ignition point of #2 oil is 750 degrees F. - ANSWER -False

Tank cleaning is a part of yearly maintenance. - ANSWER -False

Water can enter a storage tank by condensation. - ANSWER -True

Oil will not flow properly below 17 degrees F . - ANSWER -True

Oil Filters can be made of ___________ - ANSWER -Wool

Petroleum products are made of what two chemical compounds? - ANSWER -
Hydrogen, Carbon

What happens to oil's viscosity as temperature decreases? - ANSWER -Increases

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

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

What is the flash point for #2 heating oil? - ANSWER -100°F

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

The cloud point is ___________than the pour point. - ANSWER -Higher

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

Oil has a flash point of _______ degrees? - ANSWER -100

,The BTU content of #2 heating fuel is approximately ______? - ANSWER -139000 BTU

Water can collect in storage tanks through condensation? - ANSWER -True

Dirt/dust on the fan blades will ______________ the combustion air. - ANSWER -
Reduce

Today's oil burners have ___________static pressures than burners produced in the
80's and earlier. - ANSWER -Higher

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

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

Which air is most desirable for combustion? ___________ - ANSWER -Secondary

Today's fuel pumps pressurize the fuel to ________psi. - ANSWER -100-200 Psi

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

Oil flow rates are based on _________? - ANSWER -GPH

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

Primary air has the least desirable effect on combustion. - ANSWER -True

A flame retention head is less efficient then a non-flame retention head. - ANSWER -
True

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

What 3 things are required for combustion to occur? - ANSWER -Heat, Air, Fuel

The intermittent ignition is on during the entire burn cycle. - ANSWER -True

All electrical connections to the motor and control should be made in the __________ -
ANSWER -Electrical Box

The fuel pump consists of a strainer, pump, and tertiary baffle - ANSWER -False

A fuel pump to pressurize the oil to ______ pounds per square inch (PSI) or more. -
ANSWER -100

, The voltage produced by an Iron ignition transformer is over ________ volts - ANSWER
-10000

Oil lines buried in concrete should be ______________________. - ANSWER -Sleeved
in PVC

External tank corrosion is mostly cause by the ________________ activity that occurs
between different metals of the tank and piping. - ANSWER -Electrical

Should vent and fill pipes be pitched towards or away from the tank?
________________. - ANSWER -Towards

Internal tank corrosion is mostly caused by _______________ produced by bacteria. -
ANSWER -Sluge

An oversized oil tank can cause two problems, they are: _______________,
___________________. - ANSWER -Corrosion and poor fuel quality

The minimum distance from the burner to the oil tank is _____ feet. - ANSWER -5 ft

Should you use Teflon tape on oil tank pipe fittings? ___________. - ANSWER -Never

Oil tank pipes should be schedule _____ steel. - ANSWER -40

Copper oil lines should be connected with ___________ fittings. - ANSWER -Flared

A Sti-P3 tank is made of Fiberglass. - ANSWER -False

A tank inspection should be conducted 3 to 5 times per year. - ANSWER -False

Piping connections should be tight and leak proof. - ANSWER -True

Internal tank corrosion is caused by electrical activity that occurs between different parts
of the tank. - ANSWER -False

Moisture can enter a tank by pumping oil from an old tank into a new tank. - ANSWER -
True

External tank corrosion is caused by sludge produced by bacteria. - ANSWER -False

The same size tank can work in all applications. - ANSWER -False

When installing Fill and Vent Lines, they should be ___________________ - ANSWER
-pitched towards the tank

Escuela, estudio y materia

Institución
NORA Bronze
Grado
NORA Bronze

Información del documento

Subido en
23 de junio de 2026
Número de páginas
18
Escrito en
2025/2026
Tipo
Examen
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