Calibration of Rectangular Notch
Which of the following is used for measurement of rate of flow in open channel such as river?
Head of water over the rectangular notch is 900mm. The discharge is 300 liters/sec, Find the length of the notch when Cd=0.62.
An error of 1% in measuring the head of water over rectangular notch, produces an error in the discharge which is equal to
The velocity with which the liquid approaches the notch or weir before passing over it is called as velocity approach. (Say true or false).
The discharge over the rectangular notch is