Oil Burners Test 2 Exam With 100% Correct Answers 2025

Oil Burners Test 2 Exam With 100% Correct Answers 2025 Number 2 fuel oil characteristics - answer-140,000 btu/gal lighter the grade the more btu's Combustion characteristics - answer-process of burning- viscosity, pour point, cloud point, flash point Oil Nozzles - answer-spray pattern, spray angle, gph Spray Patterns - answer-solid hollow semi-hollow spray angle - answer-70-90 square round chambers 30-60 long narrow chambers old oil burner specs - answer-above 7/16 apart 1/8 in front of 1/16 new oil burner specs - answer-above 5/16 apart 5/32 in front of 1/16 two stage - answer-first gear provides vacuum for lifting oil and second gear creates pressure (100 psig) for atomizationsingle stage - answer-slight lifting capability gravity fed, gear only creates pressure (100 psig) one pipe - answer-one pipe between oil tank and fuel oil pump inlet; must be manually bled, gravity fed cheaper two pipe - answer-supply and return piping , self bleeding, self climbing cloud point - answer-temperature at which wax crystals form pour point - answer-temperature at which oil will barely flow viscosity - answer-resistance to flow