The diversion requirement of a 5-ha farm was estimated to be 10mm/day during peak periods. If the pumping plant has a 60% efficiency, how many kilowatt-hour energy is required to lift water 5 meters?
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- Two reservoirs (El 30.0m and El 102.0m) are connected by two pipelines 1-2 and 2-3 with a pump bridging the two pipelines. If the fluid (s.g= 0.94) flows at a rate of 202 L/s, what is the elevation of energy grade line (m) when the flow exits the pump? Assume head losses of 2.7 J/N from 1-2 and 6.1 J/N.For a population of 2 lac having per capita daily demand of water of 150 litres, determine the water horse power to raise the water from a river of RL 120 m to treatment plant of RL 140 m through a rising main 1 m in diameter. Assume 2 m as the total head loss due to friction, etc. and pumping efficiency of 70%.Two reservoirs (El 23.1m and El 95.5m) are connected by two pipelines 1-2 and 2-3 with a pump bridging the two pipelines. If the fluid (s.g=0.85) flows at a rate of 206 L/s, what is the power given by the pump? Assume head losses of 1.1 J/N from 1-2 and 5.6 J/N from 2 to 3
- A five-cylinder reciprocating pump haises the water level by 150 m and the theoretical discharge is 0,2m ^ 3 / s The velocity in the delivery pipe is 2 m/s. Total head Loss in pipes is 20 m, What is the input power if the efficiency of the pump is 0,87?Pls answer thank you! At a proposed hydroelectric plant site, the average elevation of headwater is 600 m, the tailwater elevation is 480 m. The average annual water flow is determined to be equal to the volume flowing through a rectangular channel 4 m wide and 0.5 m deep and average velocity of 5.5 m/sec. Assuming that the plant site can develop if the hydraulic turbine that will be used has an efficiency of 80% and generator efficiency of 92%. Consider a headwork loss of 4% of the available head. Find the annual energy produce in kW.A factory is located near a waterfall where the usable head for power generation is 26 m. The factory requires continuous power of 500 kW throughout the year. The river flow in a year is (a) 6 m3/sec for 6 months, and (c) 2 m3/sec for 6 months: (i) If the site is developed as a run-of-river type of plant, without storage, determine the standby capacity to be provided. Assume that overall efficiency of the plant is 85%. (ii) If a reservoir is arranged upstream, will any standby unit be necessary, and what is the excess power?
- (A)Describe what is Cavitation in pumps and how it can be avoided?(b). Explain about basic difference in functioning of Francis and Pelton Turbines.Evapotranspiration in an 8 ha farm is 7 mm/day and percolation losses is 2 mm/day. What is the design discharge of a canal to be able to deliver a 5-day requirement of the farm in 24 hours if irrigation efficiency is 75%? Select one: a. 200 m3/hr b. 175 m3/hr c. 150 m3/hr d. 140 m3/hrThe weekly discharge of a typical hydroelectric plart is as under: Day Sun Mon Tues Wed Thurs Fri Sat Discharge 500 520 850 8C0 875 900 546 (m/s) The plant has an etfective head of 15 m and overall efficiency of 85%. If the plant operates on a 40% load factor, estimate the average daily discharge, volume of the water on the days above average discharge, and the plant's installed capacity
- The width of the channel is reduced in the downstream. Upstream flow is subcritical. Please can you explain possible changes to the flow of the channel, and show how this would look on the specific energy diagram? Thanks for any help! Ive attached a picture of the specific energy diagram.20%: The following information is available regarding the relationship between trap efficiency and capacity-inflow ratio. Capacity-inflow 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 ratio Trap efficiency 87 93 95 95.5 96 96.5 97 97.2 97.3 97.5 (%) Calculate the probable life of the reservoir before its capacity is reduced to 16.6% of the initial capacity from the following sedimentation data, catchment area is 1000 Km², initial capacity is 36*10 m², average annual inflow amount to 15*10 m³ of runoff, average annual sediment inflow is 3*10" Kg. assumed the specific weight of the sediments equal to 1100 kg/m³?A rectangular channel of 4 m width conveys water at 2 m³/sec under critical condition. Specific energy for this flow is............