.A 45° reducing pipe-bend (in a horizontal plane) tapers from 600 mm diameter at inlet to 30 mm diameter at outlet. The pressure at inlet is 140 kPa and the rate of flow of water through the bend is 0.425 m3 s-1. Neglecting friction, calculate the net resultant horizontal force exerted by the water on the bend.

Consider water flowing through a water hose of length of 100 ft, diameter of 3/8 inch, and average surface roughness 5-105 ft. The gage pressure at the hose inlet is 40 psi. The hose contains a ball valve which controls the flow rate. Calculate the mass flow rate of water through the hose with the ball valve completely open and with ball valve 2/3 closed. Hint: Determining the friction factor requires an iterative approach - start the iterations by assuming that the friction factor is equal to 0.01 and perform at least 3 iterations.

700 gpm of water are being discharged by a centrifugal pump 5 ft above the pump inlet. The inlet pressure is 4 inHg above atmospheric and the discharge pressure is 29 psia. If the pump has an 8 in inlet diameter and 4 in discharge diameter.Calculate (a) the pump efficiency (b) the new flowrate and brake horse power if the pump speed is increased from 1600 to 3200 rp,. Assume the pump input is 8 Hp

The turbine at C draws a power P kW. If the intake B has a diameter of de mm. The pressure dg(mm) dĄ(mm) at the intake B is Ps kPa and the velocity of the water (density = 1kg/L) at that point is v (m/s). The frictional losses between A and B are At neglected, and the exit A has a diameter of da B1 mm. Consider the data in the table to M = last two digits of your student ID P (kW) = 0.5M + 68.5 da(mm) = M + 150 dp (mm) %3D М + 400 PB (kPa) = M + 380 v (m/s) = 0.1M + 4 a- Calculate the velocity at the exit A b- Calculate the discharge at the exit A c- Calculate the turbine head d- Calculate the pressure at A m=13