Which of the following is a type of direct measuring instrument?

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  1. Scriber 
  2. Divider
  3. Vernier calliper 
  4. Oddleg calliper 

Answer (Detailed Solution Below)

Option 3 : Vernier calliper 
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Detailed Solution

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Explanation:

Classification of measuring instrument:

Direct Measuring Instruments: Determines the actual dimension and size of a workpiece.

Example: Measuring Tape, Steel rule, Vernier Calipers, Micrometre, etc.

Indirect Measuring Instruments: Transfer the measurement from the workpiece to the direct measuring instrument, then the comparison is made.

Example: Simple calipers, Dial gauge, etc.

Important Points

  • A scriber is a hand tool used in metalworking to mark lines on workpieces, prior to machining.
  • The distance between the point (leg point) to the center of the fulcrum roller (pivot) is the size of the divider.
  • Dividers are used for scribing circles, arcs, and for transferring and stepping off distances.
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