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Author Question: The cutting speed (CS) for aluminum is 200 SFPM and the workpiece diameter is 2-1/2 inches. What is ... (Read 69 times)

MGLQZ

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on: Jul 26, 2018
The cutting speed (CS) for aluminum is 200 SFPM and the workpiece diameter is 2-1/2 inches. What is the RPM setting for the lathe? The formula is RPM = CS  4/D:
 
  A) 3200 B) 2000 C) 32 D) 320

Question 2

Copper wire is basically pure copper that has been hardened by:
 
  A) Strain hardening
  B) Precipitation hardening
  C) Alloying with tin and zinc
  D) Heating to 1200 deg. F. (649 deg. C.) and quenching in water


Ashley I

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

D

Answer to Question 2

A


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