A 10-mile-long crude oil pipeline is designed to be 1 ft diameter with a flowrate of 200 gal/min. The pipe material is commercial steel. It is expected that over the lifetime of the pipeline, fouling...

A 10-mile-long crude oil pipeline is designed to be 1 ft diameter with a flowrate of 200 gal/min. The pipe material is commercial steel. It is expected that over the lifetime of the pipeline, fouling will reduce the effective area by 10% and will double the roughness. Calculate the expected frictional pressure drop for the pipeline when new and at the end of its service.