Oil Heat Exam Questions With Complete & Verified Solutions | 100 % Correct| 2024

Oil Heat Exam Questions With Complete & Verified Solutions | 100 % Correct| 2024 The oil-fired, forced-warm-air furnace has two main systems: Which are... - Answer ️️ -Heat- producing system and heat-distributing system What is the heat-producing system? - Answer ️️ -consists of the oil burner, fuel supply components, combustion chamber, and heat exchanger. What is the heat-distribution system? - Answer ️️ -composed of the blower, which moves the air through the ductwork, and other related components After the thermostat calls for heat, what happens? - Answer ️️ -The ignition system is powered and the oil burner motor starts, which turns the fuel pump and combustion air blower wheel. What is sprayed into the combustion area and ignited? - Answer ️️ -an oil-air mixture Why is diesel fuel dyed? - Answer ️️ -Taxes are higher if diesel fuel is used for transportation, so dying it helps identify fuel used for residential/commercial purposes. Where is fuel oil derived from? - Answer ️️ -crude oil by a process of distillation called cracking. How many grades of fuel oil are there? - Answer ️️ -6 What is a flash point? - Answer ️️ -Has to do with the maximum safe storage and handling temperature at which vapors above the liquid fuel oil ignite for a short period of time when exposed to a flame. What is the minimum flash point for No. 2 oil? - Answer ️️ -100F What is an ignition point? - Answer ️️ -few degrees higher than the flash point.