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Exams were surprisingly difficult in comparison to the labs and lecture material.","source_url":"https://www.ratemyprofessors.com/professor/828843","quality_rating":4,"difficulty_rating":3},{"observed_at":"2026-09-07 16:01:48.688519+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTMzNTc0NjI5","source_instructor_id":"rmp:828843","instructor_name":"Tim Osswald","course_label":"ME417","course_id":"ME 417","course_uid":"course_86280689fd02225b9d3fd366","review_date":"2020-08-10 16:35:14 +0000 UTC","comment":"This class is definitely worth taking if you are looking to work for any plastics manufacturing company. It is more in depth than ME 313 or ME 418 (also taught by Tim). You should prepare for exams with practice problems from the book. Sometimes you have to use excel for homework problems. 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