z=174 m z=152 m H z=104 m B z=91 m Pump G C F 2. A pump is used to deliver water from a reservoir to a large tank for a flowrate of 1310 L/s at 20 °C. The connecting pipe connects the reservoir at B with a square- edged entrance. From B to C, the pipe is 760 m long and has three gate valves and two 90° elbows. Gage pressure at C is 197 kPa. From F to G, the pipe is 760 m long and contains two gate valves (Kg,v=0.136), four 90° elbows (K90=0.51) and connects the tank with an exit (Kext=1). All pipe is 508 mm in diameter (D) and made by cast iron (e = 0.26 mm). 1) Calculate the average velocity of water in the pipe. (10 pts) 2) Calculate the gage pressure at F. (15 pts) 3) If the pump's efficiency is 80%, calculate the power input to the pump. (10 pts) 4) If the shear stress can be calculated using the equation Д др T = 4 дх др and ≈pg дх hL,major L Calculate the average wall shear stress in section F-G. (15 pts)

z=174 m z=152 m H z=104 m B z=91 m Pump G C F 2. A pump is used to deliver water from a reservoir to a large tank for a flowrate of 1310 L/s at 20 °C. The connecting pipe connects the reservoir at B with a square- edged entrance. From B to C, the pipe is 760 m long and has three gate valves and two 90° elbows. Gage pressure at C is 197 kPa. From F to G, the pipe is 760 m long and contains two gate valves (Kg,v=0.136), four 90° elbows (K90=0.51) and connects the tank with an exit (Kext=1). All pipe is 508 mm in diameter (D) and made by cast iron (e = 0.26 mm). 1) Calculate the average velocity of water in the pipe. (10 pts) 2) Calculate the gage pressure at F. (15 pts) 3) If the pump's efficiency is 80%, calculate the power input to the pump. (10 pts) 4) If the shear stress can be calculated using the equation Д др T = 4 дх др and ≈pg дх hL,major L Calculate the average wall shear stress in section F-G. (15 pts)

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

A pump with a 25 cmrev and 1000 rpm supplies the following circuit. If the characteristios of the Sokg cylinder are v-0.1 ms, piston diameter60mm, rod diameter-25mm and friction factoe-2000 Ns/m and the characteristics of the 100kg cylinder are v0.02 m/s, piston diamcter-40mum, rod diameter-30mm and friction factor-s00 Nsim. Determine the flow rate and pressiare on cach cylinder. 25cm 100 kg lo aorem Boky v.0.1 Piston 6e
A pipe of 400 mm diameter carries water at a velocity of 25m/s. The pressure at the points A and B are given as 29.43 N/cm? and 22.563 N/cm? respectively while the datum head at A and B are Find the loss of head between A and B. 18 m and 19 m De = 400 mm Pe = 22.563 N/cm PA 29.43 N/cm =28 m DA =400 mm ZA DATUM LINE
What is the maximum flow rate Q1 and minimum flow rate Q2? In m3/h
The suction water level of a reservoir A is 5m above pump centerline and discharge water level is 50m above pump centerline. The discharge is 2m with suction pipe of 100mm diameter and 90mm diameter discharge pipe. The total head loss is 50% of the velocity head a suction pipe. If pump runs at 360rpm, find the torque developed by the shaft of motor if pump efficiency is 76%. ANSWER: 5.4 KN-m
Example (1-2): A pump delivers water from a tank A (water surface elevation =110 m) to tank B (water surface elevation = 170 m). The suction pipe is 45 m long (friction factor, f = 0-024) and 35 cm in diameter. The delivery pipe is 950 m long (f = 0·022) and 25 cm in diameter. The head discharge relationship for the pump is given by Hp = (90 – 8000 Q²), where Hp is in metres and Q in m³/s. Calculate: (i) The discharge in the pipeline. (ii) The power delivered by the pump.
At the gasoline transfer facility (ρᵣₑₗ=0,75) from the pond of storage to consumption, you want to install a pump to circulate a flow of 40(lt/s). The 400m long pipe is cast iron 150mm in diameter and consists of a check valve, a gate valve and 2 commercial medium radius elbows. The consumption tank is pressurized to 2,9 (kgf/cm²) gauge pressure. Decide the drive power of the pump in KW if its performance is 70%. •Additional data, pressure drop factors: •Retention valve Kᵣ = 1,5 •Gate valve open Kᵥ = 0,21 •Medium Radius Commercial Elbow Kc = 0,75 for each cubit •Storage pond outlet sharp angles Kₛ = 0,5 •Entrance to consumption pond Kₑ = 1 •Friction factor in pipes f = 0.026
2. A pump is used to move water (p = 1000 kg/m³) from a lake into a large tank as shown below. The height of the water surface in the tank is 20 meter from the lake surface. The total length of the pipe is L = 100 meter and the pipe diameter is D = 1 meter. The major head loss is estimated as h = LV2 where the pipe friction factor f is assumed to be 0.025. Here, V is the flow velocity in the f= D 2g pipe. Determine the flowrate in the pipe. The pump power is W = 2000 Watts 20 meter Pump
M1
The suction diameter of 60 mm reads 2 psi vacuum and 50 mm diameter discharge with 250 kpag. The suction water level is 5 m above water pump centerline with friction head loss of 0.5 m at suction pipes and discharge water level is 25 m above water pump centerline and head los at discharge pipe is 3 m. If discharge is 0.01 m^3/s, find the horsepower needed to pump the water for 70 percent pump efficiency.
A water supplying pipe of diameter 14 cm, is used to pump the water to the house in the Tanuf hill at the height of 60 m above the ground. The flowrate at the end of the pipe is 180 lit/s. The pressure gauge is connected at the inlet of the pipe in the ground and measured as 35.5 N/cm2. Find the following: (i) The kinetic energy per unit weight at the entry of pipe (in m) (ii) Pressure head at the inlet (in m) (iii) Total available energy per unit weight of the water at the pipe entry (unit in m)
I need the answer as soon as possible
Water at 20 oC is pumped at a rate of 9.0 m3/h from a large tank resting on the floor(open to the atmosphere) to the top of an absorption tower, 5.0 m above the floor. Thedischarge is at atmospheric pressure. The pipe is 50 mm ID, and the friction losses are 2.5J/kg. The pump can supply 0.1 kW to the fluid. Find the minimum water level in the tank thatyou can achieve with a pump with that power.