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. Resident prick is my job and it took me ten years to earn that title
i got 86%... forgot some of the pulley stuff from school as well. except # 48 bugs me. maybe someones wants to add an opinion...the air enters the cylinder on the intake stroke why? from atmospheric pressure or from the vacuum created by the piston lowering in the cylinder? the right answer sais atmospheric pressure... i say vacuum. in a sense both are right im thinking...