Midterm-exam-f99

Midterm-exam-f99 - IE 448 Exam Fall 1999 Due Wed(you can...

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IE 448 Exam Fall 1999 Due Wed, 11/24/99 (you can fax or mail it – postmark of 11/24 is sufficient) This exam is a take home exam. You may use your books and notes to solve the problems. You may not talk to or communicate in any other way with anyone else about the exam. If you have questions, you can email or call me. Include this page on with your exam and signature below. I have not received any help or clarification for this exam other than that which is authorized by the professor. Your Signature Date 1) Do problem 5.39 in the text. You can use any method to solve the problem (note the text says Huffman but you can use any). Turn in a pneumatic circuit showing all switches and valves. Also turn in a ladder logic diagram to control the circuit. Assume the following: all 3 cylinders use Momentary (pulse) 2 position valves with dual solenoids each cylinder has 2 limit switches to determine whether it is extended or retracted your goal is to minimize the activation time of the solenoids
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Midterm-exam-f99 - IE 448 Exam Fall 1999 Due Wed(you can...

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