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- A pump draws water from an open reservoir, with a static suction head of 26.24 feet, and lifts it to another open reservoir with a static discharge head of 25 meters. The diameter of the suction pipe is 15.24 cm and the diameter of discharge pipe is 4.0 inches. The total head loss from A to B is 25 % of the total dynamic head (TDH), and the head loss at the discharge side of the pump is 90 % of the total headloss. The pump capacity is 30 lps. Determine: a) the pump brake power if the efficiency is 82 % b) the reading of the pressure gauge installed at the suction side of the pump c) the reading of the pressure gauge installed at the discharge side of the pump.Tank A has an elevation of 100 m and Tank B has an elevation of 160 m. Since Tank A is lower than B, engineers have installed a pump near A to transfer fluid to B. The discharge in the pipe is at 0.65 cubic meters per second and pipe has a length of 1 km. with a diameter of 0.6 meters. If Hazen williams coefficient is equal to 120, compute the head loss in the pipe.Q1) If the flow rate through a 10 cm diameter wrought iron pipe is 0.04 m3/s, and the difference in elevation H of the two reservoirs is 77. Calculate the power of the pump. Assume the pump efficiency is 85%.
- A pump is being utilized to deliver a flow rate of 500 li/sec from a reservoir of surface elevation of 65 m to another reservoir of surface elevation 95 m. The total length and diameter of the suction and discharge pipes are 500 mm, 1500 m and 30 mm, 1000 m respectively. Assume a head lose of 2 me- ters per 100 m length of the suction pipe and 3 m per 100 m length of the discharge pipe. What is the required horsepower of the pump? (PLEASE USE BERNOULLI'S ENERGY EQUATION) AND INCLUDE COMPLETE SOLUTIONA pump draws water (SG=0.998) from reservoir A and transport it to reservoir B, with the static Suctionhead 8m and static discharge head of 28 m. The diameter of the suction pipe is 15.24 cm, and the diameter of the discharge pipe is 4 in. The total head loss from A to B is 25% of TDH, and the head loss at the discharge line is 90% of the total headloss. If the pump capacity is 60 Ips, determine the following:a. Pump Break power if the efficiency is 82% b. Reading of the pressure gauge installed at the suction flange of the pump C. Reading of the pressure gauge installed at the discharge flange of the pumpIt is required to pump water at the rate of 8.750 gpm from a reservoir whose surface is at an elevation of 180 ft to a tank whose bottom is at an elevation of 372 ft, The pump is placed at an elevation of 192 ft, the diameter of the suction pipe is 30 inch, the length of the pipe from the pump to the tank is 290 ft, and the estimated size of this pipe is 24 inch. The sum of the minor head losses in the suction and discharge pipe may be taken as 1.5 ft, if the maximum depth of water in the tank is to be 25 ft, what is the required horsepower of a pump for which the overall efficiency is 67 percent? Assume head loss due to friction in 290 ft + 2 ft Neglect all other head losses.
- c) A pumping plant forces water through a 600 mm diameter main, the friction head being 27 m. In order to reduce the power consumption, it is proposed to lay another main of appropriate diameter along the side of the existing one, so that the two pipes may work in parallel for the entire length and reduce the friction head to 9·6 m only. Find the diameter of the new main if with the exception of diameter, it is similar to the existing one in every aspect.A vertical circular tamk is 1.5 m high, has sloping sides. The tank is 50 m and 30 m in the top and bottom diameter respectively. Discharge takes place through a triangular orifice situated at the bottom of the tank. The orifice has a base of 0.8m long , o.5m below its vertex. If the tank is originally full of water , what time is required to empty the tank? Take discharge coefficient as 0.63Two reservoirs (EI 37.6m and EI 91.6m) are connected by two pipelines 1-2 and 2-3 with a pump bridging the two pipelines. If the fluid (sg=0.81) flows at a rate of 203 L/s, what is the power given by pump? Assume head losses of 2.3 j/n from 1-2 and 6.5 j/n from 2 to 3
- Three pipes A, B, C joins at D. A reservoir whose water elevation +140 is connected to pipe A 0.25 m in diameter, 1000 m long. Another reservoir with water level at elevation +1.25 m is connected to pipe B 0.20 m diameter, 900 m long. Still another reservoir whose water level is at elevation +100 m is connected to pipe C 0.15 m diameter, 800 m long. If f=0.03, determine the discharge at each pipe.1.1) A pump draws water from an open reservoir, with a static suction head of 26.24 feet, and lifts it to another open reservoir with a static discharge head of 25 meters. The diameter of the suction pipe is 15.24 cm and the diameter of discharge pipe is 4.0 inches. The total head loss from A to B is 25 % of the total dynamic head (TDH), and the head loss at the discharge side of the pump is 90 % of the total head loss. The pump capacity is 50 lps. Determine: a) the pump brake power if the efficiency is 82 % b) the reading of the pressure gauge installed at the suction side of the pump c) the reading of the pressure gauge installed at the discharge side of the pump.Two reservoirs ( Elev. 38.7m and Elev. 90.6m ) are connected by two pipelines 1-2 and 2-3 with a pump bridging the two pipelines. If the fluid (s.g = 0.81) flows at a rate of 174 L/s, what is the power given by pump? Assume head losses of 2.6 J/N from 1-2 and 5.5 J/N from 2 to 3