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Q: Which among the following scales is used to determine the original scale when the plan on the drawing sheet shrinks due to atmospheric conditions?
  • A. Vernier scale
  • B. Plane scale
  • C. Shrunk scale
  • D. Diagonal scale
Correct Answer: Option C - Shrunk scale–If a graphical scale is not drawn on the plan and the sheet on which the plan is drawn shrinks due to variations in the atmospheric conditions, it becomes essential to find the shrunk scale of the plan. Shrunk scale = Shrinkage factor × Original scale
C. Shrunk scale–If a graphical scale is not drawn on the plan and the sheet on which the plan is drawn shrinks due to variations in the atmospheric conditions, it becomes essential to find the shrunk scale of the plan. Shrunk scale = Shrinkage factor × Original scale

Explanations:

Shrunk scale–If a graphical scale is not drawn on the plan and the sheet on which the plan is drawn shrinks due to variations in the atmospheric conditions, it becomes essential to find the shrunk scale of the plan. Shrunk scale = Shrinkage factor × Original scale