Oil Burner Exam with Complete Solutions | Verified & Updated| 2024

Oil Burner Exam with Complete Solutions | Verified & Updated| 2024 Atomizing type burners were designed to burn which type of fuel? - Answer ️️ -No. 2 fuel oil Pour point problems with outside above ground fuel tanks can be partially relieved by: - Answer ️️ -All of the above - relocating the outside fuel filter and strainers to the inside , switching to No. 1 fuel oil, 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 ️️ -All of the above - deliver oil at a constant and regulated pressure to the nozzle, move oil from the tank to the pump, provide a screen to filter the oil If the vacuum reading is substantially above the calculated reading, (with the burner running) the cause may be - Answer ️️ -All of the above - plugged fuel filter, kinked oil supply line, check valve sticking With most new flame retention burners , the motor speed is: - Answer ️️ -3450 rpm 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 ️️ -100 psi The oil burner nozzle in a high-pressure burner performs the following functions: - Answer ️️ - All of the above - 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 ️️ -All of the above - 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 following conditions or elements affect choosing the correct nozzle spray pattern: - Answer ️️ -Air-oil mixing design of burner & shape of burner 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 - Answer ️️ -4% When sizing a combustion chamber for fire rate of 1.00 gph you should provide a minimum floor space of - Answer ️️ -between 80 to 100 square inches 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 ️️ - barometric draft control The pressure differential produced by chimneys is best measured with a draft gauge in: - Answer ️️ -Inches of water column The most important draft measurement to be taken on any oil-fired unit is: - Answer ️️ -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 chim