Major airlines require more flight hours and experience from pilots than that demanded by commuter and regional airlines. As of 2012, the salary range for regional airline pilots was $16,500 to $60,000, according to AvScholars, an organization that guides would-be aviators in education and career.fter gaining experience by accumulating flight hours, first officers may become captains, who earn an annual average of $55,000. If a captain is taken on by a major airline, it is usually to the position of first officer or flight engineer. Once promoted back to captain, the average annual salary is about $135,000.
The burning of gasoline is a chemical change. The evaporation of gasoline is a physical change. This is a physical change because it is a change in state of matter (from liquid to gas). 4 people found this useful.
If you notice it is darker or smells sour it is probably bad. But in fact, gasoline can degrade over time. That can lead to a number of problems, ranging from hard starting, to rough running, to no starting at all. Here's why.Unlike crude oil, gasoline is a highly refined product brewed to a certain chemical composition with very specific characteristics. One characteristic of gas is volatility, a term used to describe how easily and under what conditions the gas vaporizes so it can be efficiently burned in your car's engine.ut in fact, gasoline can degrade over time. That can lead to a number of problems, ranging from hard starting, to rough running, to no starting at all. Here's why. Unlike crude oil, gasoline is a highly refined product brewed to a certain chemical composition with very specific characteristics.