Nora 100 Certification Questions with 100% Correct Answers | Updated & Verified

The final adjustment for most oil burners is? - ️️Combustion air Dirt or lint build-up in the bevel of the fan blades will: - ️️Reduce the amount of combustion air. To change the air ratio for different firing rates with an adjustable head burner you: - ️️Adjust the position of the draw assembly in the air tube. One advantage of a high pressure burner is: - ️️They enable boiler manufacturers to design tighter more efficient heat exchangers. One gallon of #2 oil contains approximately: - ️️140,000 British Thermal Unit's (BTU's) All petroleum products are chemical compounds of what two atom's? - ️️Carbon and Hydrogen Flash point of a fuel is an indication of: - ️️The lowest temperature at which the fuel will flash but not continue to burn. The ignition point is: - ️️The lowest temperature at which rapid combustion of the fuel takes place in air. The pour point of #2 oil: - ️️1. Can be lowered by blending with kerosene, 2. Can be lowered with fuel additives, 3. Is the lowest temperature at which oil will flow. As heating oil gets colder its viscosity (thickness): - ️️Increases (Thicker consistency)