Correct Answer:
Option B - Anemometer is used to measure the power of wind and velocity. The most popular anemometer are Robbins cup anemometer. Other general anemometer is distance reading anemometer and pressure tube anemograph.
B. Anemometer is used to measure the power of wind and velocity. The most popular anemometer are Robbins cup anemometer. Other general anemometer is distance reading anemometer and pressure tube anemograph.