When scribing perpendicular lines, the workpiece must be: A) ...

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When scribing perpendicular lines, the workpiece must be:
 
  A) Inverted
  B) Set on a parallel bar
  C) Turned 90 degrees
  D) Left as is and the height gage used on an angle plate

Question 2

The first step in using any height gage after cleaning the surface plate, is to check the:
 
  A) Base for cosine error
  B) Vernier alignment at the top of the beam scale
  C) Alignment of the vernier and beam scale zero indexes
  D) Column for perpendicularity

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Answer to Question 1

C

Answer to Question 2

C