Shigley's Mechanical Engineering Design 10th Edition

Published by McGraw-Hill Education
ISBN 10: 0073398209
ISBN 13: 978-0-07339-820-4

Chapter 1 - Problems - Page 36: 1-7

Answer

4.5

Work Step by Step

From the figure given in the textbook, we can see that the cost of grinding to 0.0005 is 270 percent. And the cost of turning to 0.003 is 60 percent. Therefore, the relative cost of grinding vs. turning would be 270 divided by 60. Giving you 4.5 as your answer.
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