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Oil Burners Study Guide 32 LatestUpdate with Verified Solutions
Modern oil burners are referred to as high-pressure burners, as the oil is delivered through theburner at a pressure of about _____ psi. ✔✔100 psi
The process of breaking up a liquid into fine droplets is called _____. ✔✔atomization _____ is the amount of carbon left in a sample of oil after it is vaporized, changed from a liquidto a vapor, by blending it. ✔✔Carbon residue
The portion of a nozzle assembly that produces rotation of the oil spray is called the _____. ✔✔swirl chamber
Oil lines can be constructed of _____, _____ or _____ pipe connected with malleable fittings. ✔✔wrought iron, steel or brass
If a technician inspects the interior of a combustion chamber and finds large quantities ofunburned oil, he would correctly conclude that _____. ✔✔incomplete combustion is taking place.
The CAD cell is a safety device that uses which of the following to prove ignition? ✔✔unknown A condensing oil furnace operates at a higher efficiency because part of the heat output is _____. ✔✔latent heat
To make combustion efficiency test, a hole must be made _____. ✔✔unknown What would happen if the narrow spray angle nozzle were used in a round combustion chamber? ✔✔unknown
When the oil supply is above the oil burner pump, the pump and supply would normally be a_____. ✔✔single stage pump
An auxiliary tank and booster pump system is required if the oil supply is _____ below the oilburner pump. ✔✔15ft or more
Define atomization: ✔✔The process of breaking down the liquid into fine droplets
Meters flow of fuel oil into the chamber ✔✔nozzle Generates approximately 10,000 volts needed for spark. ✔✔ignition transformer
