Practice Exam 1 - Name ME 350 Mechanical Design and...

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N a m e ME 350 Mechanical Design and Manufacturing II Exam 1: Closed Book Problems Practice Fall 2008 This portion of the exam is closed book – you may not use any books, notes or problems. Please mark the answers on this exam. When you are done give the proctor this exam and pick up the open book portion. Recommend that you do not spend more than one hour on this. Honor Code: I have neither given nor received aid on this examination nor have I concealed any violation of the honor code. S i g n a t u r e
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Fill in the name of each of the numbered parts on the vertical mill shown below (1 pt/ea each): 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. Write T (True) or F (False) next to the question number on the left side (1 point each) 13. ________While the cost of design is a small percentage of the overall cost of the product, it has the largest influence on the product cost. 14. _______The armature within the motor rotates 15. _______An electric motor works off the basic principle that a metal wire will experience a perpendicular force when placed in an electric field. 16. _______The torque speed curves are always linear with the stall or maximum torque at ω = 0 and no-load-speed at T = 0. 17. _______In a DC motor maximum power is transferred to the application when the operating torque and speed are half their maximum value. 18. _______Choosing a motor with the longest electromechanical time constant minimizes power dissipation in a motor.
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19. _______Half joints have two degrees of freedom 20. _______If the Grashof law is true then no link will be capable of a complete revolution relative
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Practice Exam 1 - Name ME 350 Mechanical Design and...

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