As of 2012, NACE reported that mechanical engineers with a master's degree started at an average of $75,700 -- significantly more than the average starting salary of $61,300 reported by mechanical engineers with a bachelor's degree.
How many gallons does a semi truck hold? Quick Answer. Semi truck fuel tanks vary in size, but they hold an average of 125 to 300 gallons of fuel. There is a fuel tank located on each side of the tractor, and fuel is distributed between the two tanks to balance weight.
Internal the F-15 holds about 13,455 lbs of fuel which is (depending what weight number you use) about 1979 US gallons of fuel. External fuel on three hard points can handle u â¦ p to 3 x 600 US gallons of fuel plus F-15C and E's carry that with what are called conformal tanks.