Show I I Gasoline Vapor One gallon gaon of gasoline at nt GO 60 degrees I F. F Is sai said to ern a average e pounds in weight ht According to Mechanical Engineers Engineer's Engineers Engineer's En En- I Handbook one pound of gasoline gas gas- I oline aline va vapor at nt 02 degrees F F. F and at nt atmospheric pressure has a volume of 42 cubic feet At this rate a n gallon of gasoline would produce about cubic feet of or vapor The gas Ignited In an automobile c cylinder Is of course coursen a n mixture of gasoline with a n. nery very ery lar large e amount of air It has been stated stated stat stat- er ed that if one gallon of gasoline be beI completely changed to vapor it will I render the air In a room 21 by 10 by 10 feet explosive or a quart for a n room 8 I by hy S 8 by hy S 8 feet One authority has estimated esti estl I mated that automobile engines are able to utilize e less than 5 per cent of the tremendous energy stored up In gasoline the other 95 05 r. r per cent being either thrown away entirely or used up in friction |