A Venturi meter with a 4.00 mm ID throat is installed in a 25DN line (metric pipe size, Schedule 40,

A Venturi meter with a 4.00 mm ID throat is installed in a
25DN line (metric pipe size, Schedule 40, piping, smooth) with water flowing at
25_C. If the flow is turbulent and the maximum flow rate is 40.0
liter/min, what is the pressure drop in the Venturi meter? You may neglect
friction.