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Author Question: If a 6 in. dia. grinding wheel is turning at 3500 RPM, what is its cutting speed in SFPM? A) 1750 ... (Read 102 times)

naturalchemist

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on: Jul 26, 2018
If a 6 in. dia. grinding wheel is turning at 3500 RPM, what is its cutting speed in SFPM?
 
  A) 1750
  B) 2333
  C) 5250 or 5497 (depends on the value of pi in the calculation)
  D) 21,000

Question 2

A 4.000 in. dia. shaft of alloy steel, with a cutting speed of 50 SFPM, is turned in a lathe using a high-speed tool. At what RPM should the machine be set?
 
  A) 400 B) 100 C) 50 D) 200


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lkoler

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

C

Answer to Question 2

C


naturalchemist

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Reply 2 on: Jul 26, 2018
Great answer, keep it coming :)

scikid

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

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