An oil tank can be filled by pipe X in 5 hours and pipe Y in 4 hours, each pump working on its own. When the oil tank is full and the drainage hole is open, the oil is drained in 20 hours. If initially the tank was empty and someone started the two pumps together but left the drainage hole open, how many hours will it take for the tank to be filled? (Assume that the rate of drainage is independent of the Head)
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- A tank contains three liquids; kerosene (s= 0.80), crude oil (s=0.90) and sea water (s=1.05) with depths of 0.60 m, 0.40 m, 0.80 m respectively. An orifice 100 mm diameter is located at the bottom with a discharge of 29 L/s. Knowing that the diameter of tank is 1.2 meter. Determine the the time to remove both sea water and crude oil only. a. 34.5 sec b. 62.3 seconds c. 70.2 seconds d. 63.6 seconds e. 59.8 seconds.2.A 25–mm diameter commercial steel pipe,50 m long,isused to drain an oil tank. Determine the discharge whenthe oil level in the tank is 5 m above the exit of the pipe.Neglect minor losses and assume f = 0.12.Show all problem solution's steps. Direct formula substitution solutions will have NO CREDIT POINTS. A 75 mm diameter fire hose discharges water through a nozzle having a jet diameter of 25 mm. The lost head in the nozzle is 25% of the velocity head in the jet. If the pressure at the base of the nozzle is 625 KPa: compute the discharge in m3/min; the maximum horizontal range to which the stream can be thrown; the maximum vertical reach, and the diameter of the jet at a point two-third of the maximum vertical reach from the tip of the nozzle. Neglect air resistance.
- a circular orifice is located 5m below the water surface. if the tank is large and the diameter of the orifice is 5mm, calculate the discharge in cubic meters oer second if the coefficient of discharge is 0.60. a. 0.00012 b. 0.00812 c. 0.00140 d. noneA rectangular tank, 7.99 ft. in length, 7.85 ft. in width, and 8.84 ft. in height, has water to a depth of 7.5 ft. If the tank is accelerated 26.02 ft/s2 along its length, determine the amount of volume spilled (ft3).A circular tank of diameter 1.5 m contains water up to a height of 4 m. An orifice of 40 mm diameter is provided at its bottom. If Cd= 0.62, the height of water above the orifice after 10 minutes. a. 2 m. b. 6 m. c. 5 m. d. 4 m. With FBD
- If the velocity head at one point of a pipeline is 5 m, determine the velocity head at another point of the pipeline when the velocity is increased three times. a. 15m b. 20m c. 30m d. 45m civil engineering- hydraulicsA tank 20 ft long and 10 ft deep is 18 ft wide at the top and 8 ft wide at the bottom. In the bottom is an orifice having an area of 24 sq. in. and a coefficient of discharge of 0.60. If the tank is full of water at the beginning, how long will it take to lower the water surface by 6 ft? Ans: 14¼ min. Please draw illustration and label the notations used in your solutionA venturimeter having a diameter of 75 at the throat and 150 mm diameter at the enlarged end is installed in a horizontal pipeline 150 mm in diameter carrying an oil of specific gravity 0.8. The difference of pressure head between the enlarged end and the throat recorded by a u tube manometer is 16 cm of mercury. Determine the discharge through the pipe if Cd=0.97
- In testing a fire pump, it is desired to flow 500 gpm (1890 liters per minute) from a 1 3/4-inch (45 mm) nozzle with a Cd of 0.97. What pitot pressure would indicate a flow of 500 gpm (1890 liters/minute)? QUESTION 9 A venturi meter with a 5-inch (125 mm) diameter restriction is located in a 6-inch (150 mm) pipe and gives a reading of 3.4 inches (8.6 cm) of mercury. How many gpm (liters per minute) are flowing? QUESTION 10 Solve for the coefficient of discharge of a device that delivers 45.5 gpm (172 liters/minute) from a 0.75-inch (20 mm) orifice when a pitot tube gives a reading of 15 psi (1.0 bar)?The water flow of 35,000 Liters/min was developed into a booster station with a pump installed rated as follows: Pressure at Discharge side= 4.18 bars, 850mm above the pump C.L Suction Pressure= 220mmHg vacuum , 425mm below the pump C.L Pipe Dia @ suction=16 inches and Pipe Dia @ Discharge 12 ½ inches. 1. Draw the illustrative diagram 2. Calculate the Head at discharge, Velocity Head, Elevation Head and the Total Head of the Pump.A Venturi meter having a throat diameter of 150mm is installed in a 300mm diameter horizontal pipeline carrying oil (S = 0.80). A mercury U-tube connected as shown shows a difference in height of mercury columns of 200mm, the remainder of the tube being filled with oil. If the meter coefficient is 0.95, determine the following: a.)The theoretical discharge (m3/s). Consider HL = 0. b.)The actual discharge (m3/s). Consider HL c.)The head loss (m) between the inlet and the throat.