Figure 7.26: water pumpad into a transmission ine watur s to be pumped au a rare nr 0.i is from a supply sieci waller supply pipeline 7.27. of the steel pipe is ns i Thu nongth of lo Point nated tn B is 5 km, and frnm B A is kn, from A sanal rowennuss pipeline frum the kim. Point A is at the lowest elevation of the B is elevation, and Point C is pipeline. at the highest the pressure ar the delivery point Iba distrihuran where 400 a under the given uuw onntitiun. (al imale tange of pressures in the pipeline d the pump? u the ma immuni pressure the pipeline to be no more than 600 kPa, whal ix the minimum diameler usat should be used ihe pipeline? Assume water al 20y\'C. 
The range of pressure is 70 to 80 mpa.
 While diameter of the pipe is23cm.
 These are the values of the given problem.