The New Book of Knowledge, Volum 1Grolier Incorporated, 1989 - 21 sider An illustrated encyclopedia containing over 9000 articles on history, literature, art and music, geography, myths and legends, mathematics, science, hobbies, holidays and festivals, games, sports, crafts, medicine, law, government, industry, politics, and other topics. |
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Side 115
... engine . There are three main types of airplane engines : re- ciprocating engines , jet engines , and rocket engines . Reciprocating Engines Reciprocating engines , or piston engines , used in airplanes are very similar to those used in ...
... engine . There are three main types of airplane engines : re- ciprocating engines , jet engines , and rocket engines . Reciprocating Engines Reciprocating engines , or piston engines , used in airplanes are very similar to those used in ...
Side 116
... engine burns its fuel in an enclosed space called a combustion cham- ber . The burning of fuel produces hot gases that rush out of the rear opening of the engine at high speed . This powerful jet exhaust pushes the engine ( and the ...
... engine burns its fuel in an enclosed space called a combustion cham- ber . The burning of fuel produces hot gases that rush out of the rear opening of the engine at high speed . This powerful jet exhaust pushes the engine ( and the ...
Side 550
... engine . Oil coats the moving parts so that metal is not rubbing against metal inside the engine . Without lubrication , friction would cause the metal to become so hot that the en- gine would be destroyed . An oil pump in the engine ...
... engine . Oil coats the moving parts so that metal is not rubbing against metal inside the engine . Without lubrication , friction would cause the metal to become so hot that the en- gine would be destroyed . An oil pump in the engine ...
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