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Author Question: Left-hand threads are cut by: A) Using a standard tool and setting the compound 29.5 degrees to ... (Read 29 times)

fahad

  • Hero Member
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  • Posts: 570
on: Jul 26, 2018
Left-hand threads are cut by:
 
  A) Using a standard tool and setting the compound 29.5 degrees to the left of the operator
  B) Using a left hand threading die as these threads cannot be made on an ordinary lathe
  C) Turning the tool upside down, reversing the rotation of the spindle and moving the tool from left to right
  D) Making a right hand thread and turning it end for end

Question 2

The Rockwell Hardness tester measures:
 
  A) The rebound
  B) Wear
  C) The amount of pressure required to penetrate to major depth
  D) The depth of penetration


Carissamariew

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

A

Answer to Question 2

D


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