Determine the rainfall excesses during successive 30-min. period by the NRCS method using storm pattern given in the table 1. The watershed is part of an urban impervious area. The hydrologic soil group is C and the soil is in a dry condition (condition 1). Time(min) 30 60 90 120 150 180
Rainfall(in/hr) 0.5 0 0 4.5 5 3

Aseries piping system conveys methyl alcohol. the system consists of 70 m of 1- nominal pipe follow by 50 m of 2-nominal pipe, both schedule 40 commercial steel. the 1-nominal pipe contains 3 90° elbows (regular) anda fully open gate valve, all threaded. the pressure drop through the system is 150 kpa. determine the volume flow rate through the system that is horizontally laid.