A triangular notch
Ais used to measure discharge through triangular channels
BIs more accurate than a rectangular notch for low discharges
CMust be made with the included o na right angle
DCannot be used to measure discharges
Ais used to measure discharge through triangular channels
BIs more accurate than a rectangular notch for low discharges
CMust be made with the included o na right angle
DCannot be used to measure discharges
Related Questions: