Multiple choice

Knot is used for measuring speed of____?

  1. Aero plane

  2. Bus

  3. Ship

  4. None
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A knot is a unit of speed equal to one nautical mile per hour (approximately 1.852 km/h or 1.151 mph). It is primarily used for measuring the speed of ships and aircraft, and also wind speed in meteorology. The term originates from the practice of using knotted ropes to measure ship speed.

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