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Q: A---------is one on which it is possible to measure two dimensions only.
  • A. Scale of chords
  • B. Steel rule scale
  • C. Plain scale
  • D. Diagonal scale
Correct Answer: Option C - The scales are classified into four categories– (i) Plain scale (ii) Diagonal scale (iii) Vernier scale (iv) Scale of chord Plain scale– Plain scale is one on which it is possible to measure two dimension only. Example– Measurements such as units and lengths meters and decimeters etc.
C. The scales are classified into four categories– (i) Plain scale (ii) Diagonal scale (iii) Vernier scale (iv) Scale of chord Plain scale– Plain scale is one on which it is possible to measure two dimension only. Example– Measurements such as units and lengths meters and decimeters etc.

Explanations:

The scales are classified into four categories– (i) Plain scale (ii) Diagonal scale (iii) Vernier scale (iv) Scale of chord Plain scale– Plain scale is one on which it is possible to measure two dimension only. Example– Measurements such as units and lengths meters and decimeters etc.