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Unit 32 Oil Heat Questions And Answers With Verified Solutions Already Passed Latest Updated 2024 $9.49   Add to cart

Exam (elaborations)

Unit 32 Oil Heat Questions And Answers With Verified Solutions Already Passed Latest Updated 2024

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  • Course
  • Oil burner
  • Institution
  • Oil Burner

Unit 32 Oil Heat Questions And Answers With Verified Solutions Already Passed Latest Updated 2024

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  • September 5, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Oil burner
  • Oil burner
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Unit 32 Oil Heat Questions And Answers
With Verified Solutions Already Passed
Latest Updated 2024
If a technician inspects the interior of a
combustion chamber and finds large quantities of unburned oil, he would correctly
conclude that ____. - ANSWER✔✔The stack switch may be defective and the
primary control unit may be defective


A special tool has been designed to help
remove and install nozzles from the burner. It is called a nozzle wrench and it
____. - ANSWER✔✔Has an outer wrench that holds the burner in place, while the
inner wrench holds the nozzle and minimize the chance of cracking the porcelain


The number engraved on the nozzle indicates
____. - ANSWER✔✔How many gallons of oil per hour the nozzle will deliver at a
given input pressure


Improper combustion can lead to ____. - ANSWER✔✔Excessive carbon
monoxide production, smoke condition around furnace, and wasted oil


The grade of fuel usually used in residential
and light commercial units is ____. - ANSWER✔✔No. 2


When the oil supply is above the oil burner
pump, the pump and supply would normally be a ____. - ANSWER✔✔Single-
stage pump, one pipe system

, An auxiliary tank and booster pump system is
required if the oil supply is ____ below the oil burner pump. - ANSWER✔✔15
feet or more


The CAD cell is a safety device that uses
which of the following to prove ignition? - ANSWER✔✔Light in the combustion
chamber


The stack switch or stack relay ____. - ANSWER✔✔Shuts down the burner if it
does not sense heat in the flue products


A condensing oil furnace operates at a higher
efficiency because part of the heat output is ____. - ANSWER✔✔Latent heat


To make combustion efficiency tests, a hole
must be made ____. - ANSWER✔✔In the flue pipe before the draft control


In a single-stage fuel oil pump, the oil is fed to
the burner by capillary action. - ANSWER✔✔False


Nozzles can be cleaned to remove any
carbonization by using a very fine wire brush. - ANSWER✔✔False


For complete combustion and higher
efficiency, the oil spray and the air flow off the blast tube both turn counter-
clockwise. - ANSWER✔✔False

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