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3 Written questions

2 Multiple choice questions

  1. after explosion, the upward movemetn of a piston in an internal combustion engine that cleanses cylinder of waste products.
  2. arrangement of collectors, pipes, and heat pumps or exchangers used to capture solar heat for indoor heating.

2 True/False questions

  1. cylinderthat part of an internal combustion engine in which fuel is ignited.


  2. compression strokeupward movement of piston in an internal combustion engine forcing gasoline and air into smaller volume.