Topic: Fluid Mechanics
Speed of an aeroplane is measured by
- A. pitot tube
- B. hot wire anemometer
- C. venturimeter
- D. rotameter
Answer: A. pitot tube
Explanation: Pitot tube is used to measure the velocity of airplanes and boats. Hot Wire Anemometer measures fluid velocity, Venturi meter measures flow rate, and Rotameter measures volumetric flow rate.