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Q: The strength of winds is measured with the help of
  • A. Tintometer
  • B. Wind indicator
  • C. Barometers
  • D. Beaufort scale
Correct Answer: Option D - The strength of winds is measured with the help of Beaufort scale which starts with Zero (0) and goes to a force of 12. It was developed by British Admiral Sir Francis Beaufort in 1805 to help sailors.
D. The strength of winds is measured with the help of Beaufort scale which starts with Zero (0) and goes to a force of 12. It was developed by British Admiral Sir Francis Beaufort in 1805 to help sailors.

Explanations:

The strength of winds is measured with the help of Beaufort scale which starts with Zero (0) and goes to a force of 12. It was developed by British Admiral Sir Francis Beaufort in 1805 to help sailors.