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Oil Burner's Test Questions 1-200 with Correct AnswersOil Burner's Test Questions 1-200 with Correct AnswersOil Burner's Test Questions 1-200 with Correct AnswersOil Burner's Test Questions 1-200 with Correct AnswersIn an electric circuit for the wattage to remain the same if the voltage drops, the...

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  • October 14, 2024
  • 34
  • 2024/2025
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  • oil burners test questions 1 200 with correct ans
  • oil burners test questions 1 200 stuvia
  • in an electric circuit for the wattage to remain t

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Oil Burner's Test Questions 1-200

with Correct Answers


In an electric circuit for the wattage to remain the same if the voltage drops,

the amperage must - ANSWER-Increase




Atomizing type burners were designed to burn which type of fuel - ANSWER-

Type 2 fuel oil




Pour point problems with outside above ground fuel tanks can be partially

relieved by - ANSWER-Reducing the pour point of No. 2 fuel oil by blending it

with No. 1 fuel oil.




A fuel oil storage tank cannot be installed - ANSWER-In the furnace room

with 5' of heating unit.




The primary purpose of a fuel pump on a high-pressure burner is to -

ANSWER-Deliver oil at a constant and regulated pressure to the nozzle

,If the vacuum reading is substantially above the calculated reading, (with the

burner running) the cause may be - ANSWER-Plugged fuel filter, Kinked oil

supply line, Check valve sticking




With most new flame retention burners, the motor speed is - ANSWER-3450




To check for proper nozzle line cut-off, the pressure gauge is installed in the -

ANSWER-Nozzle Port




Fuel units are generally set at the factory at - ANSWER-100psi




The oil burner nozzle in a high-pressure burner performs the following

functions - ANSWER-Atomizes the oil

Provides a pattern of oil spray

Delivers a fixed amount of oil




The nozzle flow rate, spray angle and pattern are directly related to -

ANSWER-•Tangential slots

. Swirl chamber

Orifice

,Cold oil or high viscosity problems may be eliminated by - ANSWER-

•Increasing pump pressure and reducing nozzle size

• Installing a nozzle line pre-heater




The most common type of burner design in use today is the - ANSWER-High

pressure atomizing




Poor draft due to a faulty chimney may be improved by installing a good -

ANSWER-•Draft inducer




The pressure differential produced by chimneys is best measured with a

draft gauge in - ANSWER-Inches of water column




The following conditions or elements affect choosing the correct nozzle spray

pattern - ANSWER-•Air-oil mixing design of burner

•. Shape of the chamber




Which condition affects nozzle spray droplet size? - ANSWER-Fuel Pump

Pressure

, To burn one pound of fuel oil, it takes how many pounds of air? - ANSWER-

•14.4 lbs.




A layer of soot 1/16" thick will increase fuel consumption by (Fuel

consumption increase by 2 % for each 1/32 of soot) - ANSWER-8%




When sizing a combustion chamber for a firing rate of 1.00 gph you should

provide a minimum floor space of (•20 square inches per 0.25 of GPH) -

ANSWER-•Between 80 to 100 square inches




The most important draft measurement to be taken on any oil-fired unit is -

ANSWER-The draft at the breech

The draft over the fire




The proper location to install a draft inducer is - ANSWER-•In the flue pipe

between the draft regulator and the chimney

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