Problem 84A circular conical reservoir, vertex down,has depth 20 ft and radius of the top 10 ft.Water is leaking out so that the surface isfalling at the rate of ft/hr. The rate, in cubicfeet per hour, at which the water is leavingthe reservoir when the water is 8 ft deep isb. 8nа. 4лс. 16лd. 1/8n

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Answered: A circular conical reservoir, vertex…

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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Two tanks A and B have 80 m diffenence in water levels, and are connected by a pipe 0.3 m diameter and 8 km long with 0.002 friction coefficient. The pipe is tapped at its mid point to leak out 35 1/s flow rate. Determine the leaving tank А? discharge Find the discharge entering tank B? Coefficient (Tank Exit) = 0.5 %3D Coefficient (Tank Entry) = 1 %3D ha %3D A he 80 m Q1
PROBLEM: The discharge of the pipe system shown is 420 liters/sec, Deter- mine the head loss from A to D. Assume f = 0.020 30mmo; GOO m 750 mmo; 900 250 mm d; 450 m GOo mm 6; 1200m 3 Solution 375 mma; 750 m 0 0826 10
T1. Water is to be pumped from a reservoir at datum level 6.5m to a reservoir at datum level 24.8m at the rate of 55.6 l/s by a pump at datum level 9.2m. The suction pipe is 21m of 200mm diameter, and the delivery pipe is 186m of 100mm diameter, both with friction factor 0.015. What head must be generated by the pump. Answer 89.9m Delivery reservoir ha Z₂ hs Suction reservoir Datum Z₁ Pump
Three pipes 1,2 and 3 connect three reservoirs A, B and C, respectively, and meet at junction D. The elevation of A is 300 m while that of C is 277m. The rate of flow out of the reservoir B is 560Lit/sec. Pipe Length (m) Diameter (mm) Friction Factor 1 1200 800 0.0175 2 800 450 0.0208 3 1800 500 0.0183 Which of the following nearly gives the rate of flow in pipe 1? a. 45.91 L/s b. 122 L/s c. 459.78 L/s d. 514.09 L/s Which of the following nearly gives the rate of flow in pipe 3? a. 100.22 L/s b. 45.91 L/s c. 459.78 L/s d. 514.09 L/s Which of the following nearly gives the elevation of reservoir B? a. 360.55 m b. 336.67 m c. 323.37 m d. 3.90 m
Stuation XVIII: A 25 mm long smooth brass pipe 300 m long drains an open 1.2 m cylindrical tank which contains oil having density 950 kg/m^3 and dynamic viscosity of 0.03 N.s/m^2. The pipe discharges at elevation 30 m. The liquid surface of oil is at elevation of 36 m. 46. Find Reynolds Number for oil? a. 88.4 b. 96.1 С. 112.7 TWO WAY d. 144.8 47. Determine the velocity of flow a. 0.1174 m/s b. 0.1488 m/s c. 0.1213 m/s d. 0.1459 m/s 48. Determine the time required in hours for the oil level to drop from elevation 36 to elevation 32.5 m. a. 29.6 hours b. 20.4 hours C. 22.9 hours d. 27.7 hours
a cylindrical vessel has 0.5m diameter and 1m height rotates at 10rad/s. initial height of Mercury inside the cylinder is 0.25m. Determine the final height of the water. a. 0.48b. 0.41c. 0.32d. 0.57
Situation 1: A pump draws water from reservoir A and lifts it to reservoir B as shown. The head loss from A to 1 is three times the velocity head in the 150-mm diameter pipe and the head loss from 2 to B is twenty-five times the velocity head in the 100-mm diameter pipe. The discharge in the pipe is 20 liters/second. EI. 240m B El. Om 100mm A O 150mm El. -20m 2. Find the power delivered by the pump in kW. 3. Calculate the pressure head at point 1 in meters. 4. Solve the pressure head at point 2 in meters.
SITUATION 2: Three reservoirs A, B, and C are connected respectively with pipes 1, 2, and 3 joining at a common junction P. Reservoir A is at elevation 80 m, reservoir B at elevation 70 m and reservoir C is at elevation 60 m. The properties of each pipe are as follows: Elev 80 ha hez Elev 70 B 4000 m- 250 mm f-0.018 he 3500 m f- 0.018 Elev 60 Pipe 1: L= 5000 m, D = 300 mm Pipe 2: L= 4000 m, D = 250 mm Pipe 3: L= 3500 m 5000 m - 300 mm f= 0.018
A small orifice 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. hater it is 0.6 m. a. Compute the value of the coeff. of discharge C b. Using a coeff. of discharge of 0.60, how long will it take to lower the water surface from 1.2 m. to 0.8 m. c. Using C = 0.60; what will be the height of water from 1.2 m. after a lapse of 240 sec.
Problem 7- 64 Determine the flow in each pipe in the figure shown and the elevation of reservoir Cif the inflow to reservoir A is 515 Lit/sec. El. ? C El. 90 m El, 90 m B D. 300m - 450 mm t=0.03 El. 80 m 600m - 600 mm f-0.025 300m- 450 mem f0.03 900m- 450 mm 8. 600m - 450 mm 0.03
Two open cylindrical tanks are connected by an orifice having a cross sectional area of 0.164 m^2. Tank A is 8 m. in diameter and its water level is 10m. above that of B whose diameter is 5 m. If the coefficient of discharge is 0.60. Find the discharge flowing in the orifice. 10m A 138 m3/s 422 45 m3/s5 165.02 m/s/0 00330 m 3 B
c. 56.23 N/m3 d. 60.18 N/m2 Situatton XC: In the figure shown, z,-4 m, length of pipe from the reservoir to the pump is 120 m, from the pump to the nozzle is 1000 m. The diameters of pipes are 0.60 and 0.45 m respectively. The gage pressure at B (the suction side of the pump) is -64 KPa. Neglect minor losses. D. B. 0.45 m diam. LcD=1000 m f%=0.02 %3D Zp = 4 m 0.60 m diam. LAB= 120 m f%30.02 52. Compute the velocity of water in pipe AB. a. 2.297 m/s b. 1.452 m/s c. 3.147 m/s d. 2.672 m/s 53. Compute the velocity of water in pipe CD. a. 1.23 m/s b. 4.08 m/s C. 3.56 m/s d. 5.59 m/s 54. Compute the discharge of the pipe from A to B due to pumping. a. 0.65 m/s b. 0.45 m2/s c. 0.89 m/s d. 0.25 m /s 60m. -0.02 m and loss of head

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