Two pipes A and B are connected in parallel between two points. Pipe A is 200 m longand has a diameter of 16 cm, pipe B is 150 m long and has a diameter of 12 cm. Both thepipes have the same friction factor of 0.018. A partially closed valve in pipe 'A' causes thedischarge in the two pipes to be the same. All other minor losses can be neglected. Thevalue of the valve coefficient is -ValveF = 0.018L=200m, d-16cmL,=150m, d=12cmB F = 0.018

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Answered: Two pipes A and B are connected in…

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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1 a) A 2-mm-diameter clean glass tube is inserted in water at 15°C (Figure 1.2). Determine the height that the water will climb up the tube. The water makes a contact angle of 0° with the clean glass. ADo h W=y¥ Air Water Figure 1.2
Q1 Glycerine (u = 150 Pa.s and p 1260 kg/m³) flows at a velocity of 5.0 m/s in a 10 cm diameter pipe. Estimate: (a) the boundary shear stress in the pipe due to the flow (b) Head loss in a length of 12 m of pipe and (c) Power expended by the flow in a distance of 12 m.
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The discharge flowing down the pipe is 0.03 m3/s and the pressure at 2 is 20kPa. Assuming the losses in the pipe is negligible. A U-tube is connected between points 1 and 2 to determine the difference in their pressure, what would be the value of y. Liquid flowing in the pipe is water
13. A U-tube differential manometer connects two pressure pipes A and B. Pipe A contains carb tetrachloride having a specific gravity 1.594 under a pressure of 11.772 N/cm2 and pipe B contains oil of sp. gr. 0.8 under a pressure of 11.772 N/em. The pipe A lies 2.5 m above pipe B. Find the difference of pressure measured by mercury as fluid filling U-tube. 14. A differential manometer is connected at the two points A and B as shown in Fig. 2.25. At B air pressu is 7.848 N/cm² (abs.), find the absolute pressure at A. [Ans. 31.36 cm of mercury] [Ans, 6.91 N/em) AIR B WATER OIL Sp. gr.0.8 OIL Sp. gr. 0.8 50'cm 30 cm om 100 cm 50 cm 10 cm MERCURY Sp. gr. 13.6 WATER Fig. 2.25 Fig. 2.26
13. A U-tube differential manometer connects two pressure pipes A and B. Pipe A contains carbo tetrachloride having a specific gravity 1.594 under a pressure of 11.772 N/em and pipe B contains ofl of sp. gr. 0.8 under a pressure of 11.772 N/em. The pipe A lies 2.5 m above pipe B. Find the difference of pressure measured by mercury as fluid filling U-tube. 14. A differential manometer is connected at the two points A and B as shown in Fig. 2.25. At B air pressu is 7.848 N/cm (abs.), find the absolute pressure at A. [Ans. 31.36 cm of mercuryl (Ans, 6.91 Nicm) AIR WATER OIL Sp. gr.0.8 OIL Sp. gr. 0.8 50'cm 30 cm 100 am 60 cm 10 cm MERCURY Sp. gr.13.6 WATER Fig. 2.25 Fig. 2.26
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The diameter of a pipe changes gradually from 6 inches at A to 18 inches at B. A is 15 ft lower than B. If the pressure at A is 10 lbs per square inch and at B, 7 lbs per square inch when there are 5.0 cubic ft per second flowing, determine: a. the direction of flow. b. the frictional loss between the two points B. If in Problem 1 the direction of flow is reversed, determine the pressure at A if all other factors, including the frictional loss, remain the same. C. In Problem 1, determine the diameter of pipe at B in order that the pressure at that point will also be 10 lbs per square inch, all other factors remaining constant. D. Determine the discharge in Problem 1, assuming no frictional loss, all other conditions remaining as stated. E. What would be the difference in pressure in pounds per square inch between A and B, Problem 1, if there were 6.2 cubic ft per second flowing, neglecting friction.
Three pipes of 400 mm, 350 mm and 300 mm diameter are connected in series between two reservoirs with a difference in level of 12 m. The friction factors are 0.024, 0.021 and 0.019 respectively. The lengths are 200 m, 300 m and 250 m respectively. Which of the following statements is TRUE. *The discharge in pipe 1, 2 and 3 are equal.*The head loss in pipes 1, 2 and 3 are equal.*The total head loss is negligible.*The largest pipe will have the largest head loss The flow in m^3/s in PIPE 3 is nearest to... *0.04*0.2*0.3*0.1 What is the head loss in meters in pipe 3? *6.474 m*15.458 m*2.785 m*7.755 m Determine the length of an equivalent 350mm diameter pipe. *906.123 m*1545.812 m*417.236 m*402.582 m Please answer with complete and detailed solutions. thank you. ASAP
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COMPUTE THE CAPILLARY RISE IN mm. OF PURE WATER AT 10^0 C EXPECTED IN A 0.8 mm θ TUBE
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