Situation 4: A 200 m of rubber cotton lined hose having a diameter of 75 mm is attached to a hydrant at which pressure is450 kPa during the flow. Assume the hose to be horizontal and f = 0.02339. At what rate will the water be discharged trough the rubber cotton lined hose17 L/s16L/s15L/s14 L/s40. If a 25 mm diameter nozzle is attached to the hose, what would be the expected head lost if a pressure of 500 kPa in thehydrant is maintained? Use Cv = C = 0.9621.9 m24.3 m22.8 m23.5 m41. What is the discharge may be expected if the 25 mm nozzle is attached to the hose?11.3 L/s12.1 L/s15.6 L/s14.5 L/s

The objective of this question is to calculate the rate of water discharge through a rubber cotton…

Answered: Situation 4: A 200 m of rubber cotton…

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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Fluid mechanis Read the question carefully, give me right solution The head loss (hf) in a 1200mm x 600mm pipe (therefore, non-circular) conveying water is estimated to be 0.04m for every 1 meter of its total length. If the said pipe is filled with water and its friction factor f = 0.032, what should be the discharge Q?
2. A nozzle 3 m long has a diameter of 1.3 m at the upstream end and reduces linearly to 0.45 m diameter at the exit. A constant flow rate of 0.12 m /sec is maintained through the nozzle. Find the acceleration at the midpoint of the nozzle. Hint: velocity at any point is equal to the flow rate divided by the area of the pipe at that point. [Ans. a=0.02579 m/s/s] 3. Water accelerates in an upward sloping pipe at a rate of 1.5 m/s?. The pipe slope is set at 40 degrees and has a length of 6 m. If the pressure is 63 kPa at section 1, what will be the pressure at section 2? [Ans. P2=16165.52 Pa] 1
2. A nozzle 3 m long has a diameter of 1.3 m at the upstream end and reduces linearly to 0.45 m diameter at the exit. A constant flow rate of 0.12 m3 /sec is maintained through the nozzle. Find the acceleration at the midpoint of the nozzle. Hint: velocity at any point is equal to the flow rate divided by the area of the pipe at that point. [Ans. a=0.02579 m/s/s]
A 200 m of rubber cotton lined hose having a diameter of 75 mm is attached to a hydrant at which pressure is 420 kPa during the flow. Assume the hose to be horizontal and f = 0.024 29. At what rate will the water be discharged trough the rubber cotton lined hose 30. If a 25 mm diameter nozzle is attached to the hose, what would be the expected head lost if a pressure of 500 kPa in the hydrant is maintained? Use Cv = C = 0.95 31. What is the discharge may be expected if the 25 mm nozzle is attached to the hose?
In a horizontal 5-inch pipe (ID = 5 in.), water is being delivered at a stable discharge of 25 ft³/s. if the pressure increased from 20 psi to 40 psi after a centrifugal pump, how will the flow velocity be affected? O The flow velocity will increase by 4 times. O The flow velocity will decrease by half. O The flow velocity will remain the same. O The flow velocity will double.
Example 6.32. Water at the rate of 30 litres/sec. is flowing through a 0.2 m. I.D. pipe. A venturimeter of throat diameter 0.1 m is fitted in the pipeline. A differential manometer in the pipeline has an indicator liquid M and the manometer reading is 1.16 m. What is the relative density of the manometer liquid M? Venturi co-efficient = 0.96; Density of water = 998 kg/m'.
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PROBLEM 10: A circular orifice is located 5m. below the water surface. If the tank is large and the diameter of the orifice is 5 mm, calculate the discharge in m/sec. if the coefficient of discharge is 0.60. a. 0.00812 c. 0.00012 b. 0.00140 d. none of these
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A small orifice 0.0003 m³ in area is in the vertical side of a rectangular tank. The horizontal sectional area of the tank is 0.40 m². At a given instant the head on the orifice is 1.2 m and 312 sec later it is 0.6 m. Compute the value of the coefficient of discharge C. (5 pts.) Using a coefficient of discharge of 0.60, how long will it take to lower the water surface from 1.2 m to 0.80 m. (5 pts.) Using C=0.60, what will be the heigh of water from 1.2 m after a lapse of 240 sec. (5 pts.)
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