Oil with sp. gr. of 0.87 is being pumped from a lower reservoir to an elevated tank as shown.The pump in the system is 78% efficient and is rated 185 kW. Determine the flow rate of the oilin the pipe if the total head loss from point 1 to point 2 is 12 m of oil.160mm200mmEL.200mW.S.El. 150mOil.Sp.gr.=0.82

Answered: Oil with sp. gr. of 0.87 is being…

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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Oil with sp. gr. of 0.87 is being pumped from a lower reservoir to an elevated tank as shown. The pump in the system is 78% efficient and is rated 185 kW. Determine the flow rate of the oil in the pipe if the total head loss from point 1 to point 2 is 12 m of oil. 160mm 200mm s EL 200m El.150m Oil. Sp.gr.=0.82
Example: A pump take brine solution at a tank and transport it to another in a process plant situated 18 m above the level in the first tank. 300 m of 95 mm i.d. pipe is available sp.gr. of brine is 1.2 and µ = 1.5 cp. The absolute roughness of pipe is 0.04 mm and f= 0.0065. Calculate the rate of flow for the pump (i) the power required for pump if ŋ = 0.65. (ii) if the vapor pressure of water over the brine solution is 4530 pa calculate the NPSH available, if suction line length is 30 m. Q (m^3/sec) Ah(m) 0.0049 0,0065 0.01 0.018 0.03 0.046 0.055 30 27 20 18 15 12 10
5. Oil with sp. gr. of 0.88 is being pumped from a lower reservoir to an elevated tank. The pump in the system is 65% efficient and is rated at 160kW. Determine the flow rate of the oil in the pipe if the total head loss from point 1 to point 2 is 5.5m of oil. 150an 200-mm Pump Elev. 160m Elev. 150 m Oil
A booster pump is installed in the pipeline between the two reservoirs. If the energy head increased by the pump is 20 m, then what is the flow rate in the pipeline? Assume that length of pipeline is 1500 m, diameter of pipe is 300 mm and coefficient of friction is 0.02. -R.L = 200 m 300 mm Pump B R.L = 185 m
7. A heavy Oil (y = 9000 N/m³) is flowing at a rate of 0.65 m³/s in the system shown. If the total head lost between point reservoir A to closed tank B is 2.5 m and the pressure at B is 70 kPa A) Compute the added energy produce by the pump B) Compute the power in hp that must be supplied by the pump to the flow C) Compute for the pressure head at point 1 if the pipe from A to 1 is 150 m long and 600 mm diameter, n = 0.011 EL 50m 600 mm El Om 70 kPa El 60 m
An 8 hp pump is installed near the reservoir container of oil having a s.g. Of 0.82. The rate of flow of the pipe is 0.014 ?3/s. The pressure at 1 and 2 are -28 kPa and 290 kPa respectively. a. Compute the head added by the pump in meters.b. Compute the output hp of the pump.c. Compute the efficiency of the pump
2. A pump discharge 126 of brine (sp.gr.=1.20). The pump inlet, 304.8 mm in diameter is at the same level as the outlet, 203.2 mm in diameter. At the inlet, the vacuum is 152.4 mm of mercury. The center of the pressure gauge connected to the pump discharge flange is 122 cm. The gauge reads 138 KPag. For a pump efficiency of 83%, what is the power output of the motor? 122 cm. PUMP
A Oil of specific gravity 0.761 flows from tank A to tank E as shown. The head loss from B to C is 9 times the velocity head of the 300mm diameter pipe, head loss from C to D is 0.4 times the velocity head of the 15Omm diameter pipe and the head loss from D to E is 9 times the velocity head of the 150mm diameter pipe. 0.6 m B 300 mm dia. 12 m E What is the discharge: [ Select ] * m3/s What is the velocity in the 300 mm diameter pipe?: [ Select ] m/s What is the pressure at point C? : [ Select ] * kPa What is the total power at point C if the reference datum is E?: [ Select ] * kW 150 mm dia.
A pump draws 24L/s of water from reservoir A and lifts it to reservoir B. The head lost from A to 1 is 3 times the velocity head in the 150mm suction line and the head lost from 2 to B is 25 times the velocity head in the 100mm discharge line. (A) What is the power delivered by the pump to the system in hp? (B) What is the pressure head in meters in point 1? (C) What is the pressure head in meters in point 2?
Benzene at 37.8 °C is pumped through the system of Figure at the rate of 0.1515 m3/min. The reservoir is at atmospheric pressure. The gauge pressure at the end of the discharge line is 345 kN/m². The discharge line is 1.828 m above the pump, while the pump suction is 0.821 m below the level in the reservoir. The discharge line is 1.5-in. Schedule 40 steel pipe. The head friction in the suction line is 0.4066 m and in the discharge line is 4.4664 m. The mechanical efficiency of the pump is 60%. The density of benzene is 865 kg/m³ and its vapor pressure at 37.8 °C is 26.2 kN/m². a) Calculate the total power input. b) Evaluate whether the pump is suitable for this system when the pump manufacturer specifies a Net Positive Suction Head Required (NPSHR) of 3.05 m.
9:46 M回 O NI l l 96%l IMG 20220311_093841.jpg From a reservoir A whose surface elevation is 225 m, water is pumped through 1200 m. of 300 mmø pipes across a valley to a second reservoir B whose level is at elev. 240 m. During pumping, the pressure is 550 kPa at a point on the pipe midway of its length at C and at elevation 195 m. f a pump is installed near the outlet of the reservoir A and assuming f= 0.02. EL 240 El. 225 600 mm 300 mme 300mm 600m EL 195 O Compute the discharge flowing in the pipeline. Compute the head added due to the presence of the pump. O Compute the horsepower exerted by the pump.
A cylindrical tank of water is 20 m in diameter and 3.5 m tall. There is a 1.0 cm diameter hole at the bottom from which water is leaking. A feeder pipe at the top of the tank, 4.0 m above the ground delivers water at a rate of 0.02 m/min. Ir the tank is initially half full, tal what is the water flow rate in m^3/sec from the top feeder pipe? (bi what is the pressure at the bottom of the tank? (Hint: Bernoul's principle) () what is the water speed at the bottom? (d) what is the leaking flow rate at the bottom? fe) at what rate is the volume of water changing? (Assume the tank is open to air at the top)

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Oil with sp. gr. of 0.87 is being pumped from a lower reservoir to an elevated tank as shown. The pump in the system is 78% efficient and is rated 185 kW. Determine the flow rate of the oil in the pipe if the total head loss from point 1 to point 2 is 12 m of oil.