The type of clamp shown in the figure above is a

  The type of clamp shown in the figure above is a _____.
 
  a. bar clamp
  b. C-clamp
  c. pipe clamp
  d. spring clamp"

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[Ques. 2] Before using a pick, check to be sure that the head is _____.
 
  a. rotated 90 degrees
  b. blunt
  c. positioned at chest height
  d. fixed firmly to the handle

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[Ques. 3] When using a utility knife, place a piece of scrap material under the object you are cutting in order to _____.
 
  a. see the object more clearly
  b. keep the blade sharp
  c. protect the surface under the object
  d. avoid electrocution

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[Ques. 4] Of the various types of tungsten electrodes available, the tungsten electrodes that are used for AC welding are
  _____.
 
  a. lanthanated
  b. pure
  c. irradiated
  d. thoriated

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[Ques. 5] When an object is plumb, it is _____.
 
  a. perfectly vertical
  b. angular
  c. side-by-side
  d. perfectly horizont