why is the concept of weir calibration test is important in hydraulics eng n state usage of concept (10m)?

Question

why is the concept of weir calibration test is important in hydraulics eng n state usage of concept in the water sources (10m) pls in point forms. it'll come out as test in less thn 12 hours/ answers ASAP

Answer 1

I am not sure exactly where you are going with this, but a weir of standard construction can be used to determine accurately the flow of water going over it. generally, the height of the water will be related to the total flow q (in CFS or GPM for example).