Unit 32 OIl Heat exam 2024 with complete solutions

How many grades of fuel oil are normally considered as heating oils. correct answersThere are six What two elements make up fuel oil correct answersCarbon and Hydrogen The most common fuel oil used for residential and light commercial is? correct answersNumber two As the temperature of an oil sample decreases; correct answersThe viscosity of the oil increases If oil is to be stored at temperatures lower than 20 degrees F. correct answersThe viscosity will be thicker. Explain why periodic oil tank inspection is desired: correct answersTo ensure that the tank is free of leaks and that the protective anodes are in good working conditions. If it is expected that an oil-fired appliance will burn 850 gallons of oil per year, how big the oil storage be? correct answers275 gallons. How many pounds of oxygen are required to burn 1 pound of Number two fuel? correct answers3 Lbs of oxygen Explain the concept of excess air when it is used to describe the combustion process; correct answersMost oil burners are set up to burn with appoximately 50 % Excess air. When 1Lb of oil with 50% excess air is burned 21.6 lbs. or 288 CuFt. of air must be furnished. Before fuel oil can be burned, it must be correct answersAutomized