Mechanotechnics N4 Hydraulics - Venturi Meters Introduction

[@SandileNkosi-p5z]

Which formula do we have to use to calculate the difference between the inlet and throat , correctly? is it the one whereby we divide (Q/Cd×A)² by 2g or the one with 2gh/2g

[@mathszoneafricanmotives]

Hi the first one is best

[@SandileNkosi-p5z]

Is it possible to obtain a negative h?

[@mathszoneafricanmotives]

h must be positive always since it's bigger height- the smaller one