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Author Question: For threading, the spindle should be turning: A) At about one-fourth normal turning speeds B) At ... (Read 28 times)

s.tung

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on: Jul 26, 2018
For threading, the spindle should be turning:
 
  A) At about one-fourth normal turning speeds
  B) At the slowest speed the lathe can be set
  C) At the RPM given in standard charts for the type of metal you are working on
  D) None of the above

Question 2

When hardness increases, what else also increases?
 
  A) Ductility B) Tensile strength
  C) Depth of penetration D) Plasticity


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cdmart10

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Reply #1 on: Jul 26, 2018
Answer to Question 1

C

Answer to Question 2

B


s.tung

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Reply 2 on: Jul 26, 2018
Wow, this really help

cam1229

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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