Refer to the system curve drawn on this pump curve. If the pump is to move 1200 gpm, what is the expected system total dynamic head (ft)?
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Given: Q = 1200 gpm
To find:
Dynamic head at given flow rate using the plot.
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- Q 1(a) Use the below given data and calculate the metacentric height. Note: Explain each and every step. w= 200g W=2533.2g Displacement x (mm) 80 60 40 20 0 20 40 60 80 Tilt angle Ɵ (degree) 9.5 7.5 5.5 3 3 5.5 7.5 9.5 M.H (b) By using U-tube manometer how can you find out the pressure head? (c) If you are lacking of equipment, how can you determine the discharge of any channel?Dimensions of a hydraulic cylinder are DBore=178 mm, DPiston Rod=50 mm. For a 1,6 m/min extracting speed; Determine the supply flow rate (lt/min) Q= ? lt/minFind the air horsepower of an industrial fan that delivers 40m3/s of air through a 700mm x 1000mm duct if static pressure is 150mm of water gage and air density is 1.18kg/m3 Answer: 182.2
- Discussion 1- Indicate the factors affecting the Reynotes number (Re). 2. The limits are gaved to the Reynolds number (Re) that if they less than 2000 it is the laminar flow and if they more than 4000 The flow is turbubent but there is a possibility to change those limits. 3-Discuss the importance of the infinite medium. Worksheet No. Risc of W.L. in Time for Risc in Collecting Tank (cm) W.L. (sec.) 1 s 45 2 s 26.5 3 s 21.5 4 % 12.75 s s 7 6 s s Diameter of pipe = 1.8 cm Length of pipe = 87 cm Area of Collecting Tank = 13 x 8.5 cm® @ Temperature of water = 30A horizontal air duct reduces in cross-section area from 0.070 m^2 to 0.020 m^2. Assuming no losses, what pressure change (in Pascal) will occur when 6.67 N/s of air flows? (Use Sp.Wt. = 31.4 N/m^3 for the pressure and temperature of air involved.)The cylinder bore diameter of a single-acting reciprocating pump is 180 mm and its stroke is 360 mm. The pump runs at 53 rpm and lifts water through a height of 25 m. The delivery pipe is 23 m long and 114 mm in diameter. Find (i) the theoretical discharge in liters/s,(ii) the theoretical power required to run the pump in kW, (iii) the percentage of slip, and (iv) the coefficient of discharge., if the actual discharge is 4.3 liters/s. Assume the weight density of water is 9810 N/m3 ???
- For a single acting reciprocating pump, piston diameter is 150 mm, stroke length is 300 mm, and rotational speed is 50 r.p.m. The pump is required to lift water to a height of 18 m. Determine the theoretical discharge. If the actual discharge is 4.0 lit./sec, and the mechanical efficiency is 80% determine the volumetric efficiency, slip, theoretical power and the actual power required.The cylinder bore diameter of a double-acting reciprocating pump is 170 mm and its stroke is 370 mm. The pump runs at 55 rpm and lifts water through a height of 26 m. The delivery pipe is 23.5 m long and 113 mm in diameter. Find (i) the theoretical discharge in liters/s,(ii) the theoretical power required to run the pump in kW, (iii) the percentage of slip, and (iv) the coefficient of discharge., if the actual discharge is 13 liters/s. Assume the weight density of water is 9810 N/m3 (i)Theoretical discharge in liter/s (ii) the theoretical power required to run the pump in kW (iii) the percentage of slip (iv) the coefficient of discharge.The system consists of 1200 m of 5 cm cast iron pipe, two 45° and four 90° flanged long-radius elbows, a fully open flanged globe valve, and a sharp exit into a reservoir. If the elevation at point 1 is 400 m, what gage pressure is required at point 1 to deliver 0.005 m3/s of water into the reservoir? Use the following: v = 1 x 10-6 m2/s Kentrance = 0.5 Kexit = 1 Kvalve = 6.9 f = 0.0316 γ = 9810 N/m3 Choices: 3.44 Mpa 1.02 MPa 3.48 Mpa 1.00 MPa None of the choices
- 5. The total head of a fan is 185 m and has a static efficiency pressure of 210 mm of water gage.What is the velocity of air flowing if the density of air is 1.15 kg per cubic meter? 8. A coal fired steam boiler uses 3000 kg of coal per hour. Air required for combustion is 15.5 kg ofcoal at barometric pressure of 98.2 KPa. The flue gas has temperature of 285 degree Celsiusand an average molecular weight of 30. Assuming an ash loss of 11% and allowable gas velocityof 7.5 meters per second. Find the diameter of the chimney 9. The gas density is 0.75 kg per cubic meters and air density is of 1.15 kg per cubic meter. If thedriving pressure is 0.25 KPA. Determine the height of the chimney. 10. A powerplant situated at an altitude having an ambient air of 96.53 KPa and 23.88 degreeCelsius. Flue gases at a rate of 5.0 kg per second enter the stack at 200 degree Celsius andleaves at 160 degree Celsius. The flue gases gravimetric analysis are 18% CO2, 7% O2 and 75%N2. Calculate the height of…The cylinder bore diameter of a double-acting reciprocating pump is 160 mm and its stroke is 340 mm. The pump runs at 53 rpm and lifts water through a height of 29 m. The delivery pipe is 22 m long and 100 mm in diameter. Find (i) the theoretical discharge in liters/s,(ii) the theoretical power required to run the pump in kW, (iii) the percentage of slip, and (iv) the coefficient of discharge., if the actual discharge is 10 liters/s. Assume the weight density of water is 9810 N/m3The wind turbine gives the following data: Blade length, l = 49 m, Wind speed, V= 32 Km/Hr, Air density, ρ = 1.23 kg/m3 , Power Coefficient, Cp = 0.4, Calculate the power available in the rotor in Watts. A- 151931161.80 W B- 394985.47 W C- 60772464.72 W D- 1302564.83 W