7. A 20hp suction pump operating at 70% efficiency draws water from a suction line whosediameter is 200mm and discharges into air thru a line whose diameter is 150mm. The velocityin the 150mm line is 3.6m/s. If the pressure at point A in the suction line is 34kPa below theatmosphere, where A is 1.8 m below B on the 150mm line, determine the maximum elevationabove B to which water can be raised assuming a headloss due to friction.

Answered: Image /qna-images/answer/d72cde0b-434c-4151-b84b-781a335df020.jpg

Answered: 7. A 20hp suction pump operating at 70%…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Water floes through a circular pipe with a constant radius of 8cm. The speed and pressure at point a is 6 m/s and 300000 Pa respectively.a.) what is the speed of fluid at point b?b.) what is the pressure at point b which is higher than point a for about 5cm?
A tank contains ail sp. gr. 0.80, gasoline sp. gr. 0.90 and seawater sp. gr. 1.03. If the depths of the liquids are 0.5 m, 0.8 m and 1 m for oil, gasoline and seawater respectively. Find the pressure at a depth of 1.2 m. a. 28.124 Kpa b. 21.092 Kpa c. 16.04 Kpa d. 10.104 Kpa The answer for this is letter D which is 10.104 Kpa however I dont know the exact solution.
3. Medium lubricating oil (sg=0.85) is pumped through 360m of horizontal 75mm pipe at the rate of 3.14L/S. If the drop in pressure is 300kPa. Compute for the absolute viscosity in Ns/m2 of the oil. a. 0.311 b. 0.206 c. 0.504 d. 0.790
A cylindrical tank 1m in diameter and 6m high contains 2m of water, 1.50m of oil (specific gravity = 0.8) and air under pressure of 20 KPa. If the 10cm diameter orifice located at the vertical side is 30 cm above the bottom of the tank, find the actual discharge at the orifice if C = 0.95. A) No Answer among the choices B) 79.11 L/s 59.95 L/s D) 54.40 L/s E) 73.45 L/s
An oil flow rate of 0.012 m³/s is required in an industrial process. The flow system includes a pressure tank pushing the oil through 200 m of new ductile iron pipe (DIP: 15 cm diameter, square-edged entrance) to point "2" (atmospheric pressure) as shown in Figure P3.11.11. The sur face of the fluid in the tank (point "1") is at elevation 100 m and the end of the pipe (point "2") is at elevation 106 m. What air pressure will be needed over the fluid to produce the requisite flow? (S.G. (oil) = 0.84, v 2.03 x 106 m²/s, and e = 0.00012 m.)
Air in a room at T0 = 290 K and P0 = 90 kPa is to be drawn by a vacuum pump through a 3-cm-diameter, 2-m-long adiabatic tube equipped with a converging nozzle at the inlet. The flow in the nozzle section can be approximated as isentropic. The static pressure is measured to be 87 kPa at the tube inlet and 55 kPa at the tube exit. Determine the mass flow rate of air through the duct, the air velocity at the duct exit, and the average friction factor for the duct.
Water is flowing in AF pipe (Figure 1) at a velocity of 2 m/s and a pressure of 102400 Pa, the pipe length is 100 m. If the water pressure needs to be at a pressure of 1.6 atm on a lower level. What should be the different in elevation between the upper and lower levels in order to achieve this pressure? Take the density of water 1000 kg/m3 and gravity is 9.81 m/s2, consider the energy loss.

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