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Q: The limiting length of the offset does not depend on :
  • A. the nature of the ground
  • B. the scale of the map
  • C. the desired accuracy of the map
  • D. curvature of the earth
Correct Answer: Option D - Limiting length of offsets– The maximum length of an offset is generally determined from the consideration that the error produced in plotting of the detail on the drawing sheet should not be significant. In other words, the displacement of the detail on the sheet from its correct position should not be more than 0.25 mm or So, A good draughtsman can distinguish a distance on the paper equal to about 0.25 mm. The maximum length of the offset depends upon – (i) Scale of plotting (ii) Possible error in direction and length (iii) Degree of accuracy desired. (iv) Nature of ground
D. Limiting length of offsets– The maximum length of an offset is generally determined from the consideration that the error produced in plotting of the detail on the drawing sheet should not be significant. In other words, the displacement of the detail on the sheet from its correct position should not be more than 0.25 mm or So, A good draughtsman can distinguish a distance on the paper equal to about 0.25 mm. The maximum length of the offset depends upon – (i) Scale of plotting (ii) Possible error in direction and length (iii) Degree of accuracy desired. (iv) Nature of ground

Explanations:

Limiting length of offsets– The maximum length of an offset is generally determined from the consideration that the error produced in plotting of the detail on the drawing sheet should not be significant. In other words, the displacement of the detail on the sheet from its correct position should not be more than 0.25 mm or So, A good draughtsman can distinguish a distance on the paper equal to about 0.25 mm. The maximum length of the offset depends upon – (i) Scale of plotting (ii) Possible error in direction and length (iii) Degree of accuracy desired. (iv) Nature of ground