Question 1:Water is pumped at the rate of 0.06 m³/s from a reservoir 6mabove a pump to a free discharge 27m above the pump. Thepressure on the intake side of the pump is 35kPa (gage) and thepressure on the discharge side is 350kPa (gage). All pipes arecommercial steel of 150mm diameter. Determine (a) the headsupplied by the pump and (b) the total head loss between thepump and the point of free discharge.21-6mD= 150mm(Elbows are flanged)Free discharge2427mP3 = 350 kPa(gage)35 kPa (gage)

Answered: Question 1: Water is pumped at the rate…

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

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An air-conditioning system is designed to have a ductwith a rectangular cross section 1 ft by 2 ft, as shown. Duringconstruction, a truck driver backed into the duct and made it atrapezoidal section, as shown. The contractor, behind schedule,installed it anyway. For the same pressure drop along the pipe,what will be the ratio of the velocity in the trapezoidal duct tothat in the rectangular duct? Assume the Darcy-Weisbach resistance coefficient is the same for both ducts.
The value of (NPSH) for a pump is given by the manufacturer as 10 ft. Water is being pumped from a reservoir at min atmospheric pressure at a rate of 30 ft /s to a tank at atmospheric pressure. The water level in the reservoir is 5 ft below the pump. If the total head loss in the suction pipe is 5 ft, is the pump safe from cavitation effects? If a 2-in schedule 40 pipe of 150 m length was used downstream of the pump, what is the power delivered to the fluid? You may assume that the friction factor in the pipe is equal to 0.004.
2. Water from a reservoir is pump over a hill through a pipe 900mm in diameter and a pressure of one kg/cm² is maintained at the pipe discharge where the pipe is 85m from the pump centerline. The pumps have a positive suction head of 5m. Pumping rate or the pump at 1000 rpm is 1.5m³/sec. Friction losses is equivalent to 3m of head loss. What is the head that should the pump cover for the system?
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Performance data for a pump are listed in the following table.Hp (ft) 179 176 165 145 119 84 43Q (gpm) 0 500 1000 1500 2000 2500 3000(a) Plot the system curve for the pump to move water between two open reservoirs,through 2000 ft of 12 in. inner diameter commercial steel pipe containing 5 standard 90°elbows and 2 open gate valves, if the elevation increase is 50 ft. Explain how plot was made.(b) Determine the operating point, i.e., the volumetric flowrate in gpm and pump headin ft.(c) Calculate the power input (horsepower) to the pump at the operating point,assuming its efficiency is 80%. please perform all calculations
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Q1/ liquid is pumped from a ground level reservoir to an overhead tank through a 5 cm ID pipe as shown in Fig. (1): i. What pressure developed by the pump to 45° elbow 8 m Fig. (1) Globe valve Tank 5 m supply water to the tank at the rate of 245 I/min? ii. What is the power required for the pump, if the pump is only 62% efficient? iii. Calculate the available NPSH. If the pump required 12 m NPSH is it suitable to prevent cavitation for this system? why? Given that: u = 0.0016 Pa.s; p 850 kg/m', e/d 0.0035, (Le/d) of Globe valve (open) = 240 (Le/d) of 45° ēlbow = 24 and Pv = 36.6 kPa 25 m 45° Reservoir 45° elbow
Q.2 A centrifugal pump is required to pump water to an open water tank situated 4 km away from the location of the pump through a pipe f diameter 0.2 m having Darcy's frřiction factor of 0.01. The average speed of waterinthe pipe is 2 m/s. If it is to maintain a constant heac of 5 m in the tank, neglecting other minor losses, the absolute discharge pressure at the pump exit is (a) 0.449 bar (c) 44.911 bar dund (b) 5.503 bar (d) 55.203 bar
A pipe of 180mm bore is delivering water at a rate of 8250dm3/min at a pressure 800kN/m2. It connects by a gradually expanding pipe to a main of 300mm bore which runs 3,5m above it. Find the velocity in the 300mm main.
6. A pump is located 4.5 m to one side of, and 3.5 m above a reservoir. The pump is designed for a flow rate of 6 L s'. For satisfactory operation, the static pressure at the pump inlet must not be lower than -6 m of the water gage. Determine the smallest standard commercial steel pipe that will give the required performance. pump 4.5 m. 1.8 19=d 3.5 m 7. water 90° elbow
ANSWER ASAP PLS
Saturated water at 310K is being pumped from a tank to an elevated tank at the rate of 7L/s. All of the piping is in 5-in. schedule 40 steel pipe. If the 2 fittings used is 90° ell standard long radius, The pump has an efficiency of 80%. Calculate the kW power needed for the pump. * 125 m 12 m -5 1 50 m 5-in. pipe schedule pump Your answer

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