Which of the following instruments is used to measure the velocity of a fluid?
A. Anemometer
B. Manometer
C. Hygrometer
D. Tachometer
Answer:A
Which of the following instruments is used to measure the velocity of a fluid?
A. Anemometer B. Manometer C. Hygrometer D. Tachometer
Explanation: An anemometer is a device used to measure the velocity of a fluid, usually air. It consists of cups that rotate in the wind, generating a voltage that is proportional to the velocity.