2. The following data relate to an inclined venturimeter: Diameter of the pipe line = 400 mm %3D Throat diameter 200 mm %3D Reading of the differential manometer 50 mm The co-efficient of the meter = 0.98 %3D Determine the rate of flow in the pipe line. (sp
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Q: The velocity measurement observation manometer readings are 44.5 cm , 48.5 cm. The pipe diameter is…
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- 16 - Which is used to measure the internal resistance of fluids to flow? A) Saybolt Viscometer B) Vortexmeter C) Prandtl Tube D) Coriolis Flowmeter E) Laser Doppler AnemometerWater is to be pumped to an atmospheric rooftop storage tank atop a 5-story building, 75 feet above ground-level. A pump station is located at the ground-level. The suction line is a 2-inch ID commercial steel pipe tapped into a municipal supply line maintained at 50 PSIG 5 feet below ground-level. The discharge line is 1.5-inch ID commercial steel, and the total length of pipe is approximately 100 ft. There are two ball valves, a water meter, and gate valve on the discharge line. Determine the pump head required to deliver 40 GPM and the pump power that must be supplied to the water. If a pump is required, what is the motor power required if the pump operates at 55% efficiency?6 m^3/min of 15.6°C SAE 30 is to be pumped from a tank through 40 meters of horizontal pipe; the oil will exit the pipe to the atmosphere. The pump’s push on the oil can create a gage pressure of 38.7 kPa at the horizontal pipe inlet. What minimum pipe diameter should be selected?
- What must the gauge pressure p be at A if the volume flow rate out of the pipe at point B is 0.0800 m^3/s?1. Which of the following is used to increase flow velocity from a pipe?Group of answer choices Venturimeter Orifice Nozzle Pitot tube 2. Which of the following is normally used for very large discharge flow measurements?Group of answer choices Nozzle Orifice Venturimeter Pitot tubeA centrifugal pump has a suction pipe with a diameter of 100 mm, and adelivery pipe with a diameter of 75 mm. When discharging 15 L s -1of water, the inlet water pressure recorded is a vacuum of 198 mm Hg. The delivery pressure gauge, placed at 200 mm above the pump inlet, recorded apressure of 0.95 bar. As a reminder:1 bar = 750 mm Hgdensity of water = 1000 kg m -3 Calculate the total head losses, Ht (i.e., the rise in total head) and considering that the measured input power is 3.2 kW, calculate thepump efficiency.
- 2. A centrifugal pump installation has been designed to discharge 0.126 ?3/? of brine (sp.gr. = 1.2). The suction pipe is 305 mm and is at the same level as the discharge pipe which is 203 mm in diameter. At the centerline of suction flange, the vacuum is 154.2 mm Hg. The discharge pressure gauge reads 0.1379 MPa and is connected 1.22 m above the discharge flange centerline. The pump is driven by a 35 KW electric motor that will not carry overload and has an efficiency of 82%. There is no significant head loss. The design conditions have changed, and is now desired to increase the capacity of the pump by increasing the speed. The motor is so designed that its speed maybe increased but its power cannot exceed its design rating. Assuming the pump efficiency to remain constant, how much can the pump capacity be increased without overloading the motor?3.) Oil with sp.gr. 0.95 flows at 200 lit/sec through a 500 m of 200-mm-diameter pipe (f = 0.0225). Determine the head loss. Answer: 218.4 rpm Subject: fluid mechanic Lesson: *Conservation of Energy *Fluid Flow in Pipes1. Installing larger diameter pipe in pumping system results in reduction in a. Static head b. Frictional head c. Both a and b d. None of the above
- It is desired to meter methanol at 20°C flowing through a5-in-diameter pipe. The expected flow rate is about 300gal/min. Two flowmeters are available: a venturi nozzle anda thin plate orifice, each with d = 2 in. The differential pressuregage on hand is most accurate at about 12–15 lbs/in2.Which meter is better for this job?1) Which of the following statement is NOT correct about piping network? a) In parallel pipes, the flow rate is proportional to its diameter and inversely proportional to its length and friction factor. b) When analyzing the piping network, conservation of mass throughout the system must be satisfied. c) In piping systems with pumps, the Bernoulli equation should be corrected by introducing a kinetic energy correction factor. d) The algebraic sum of head losses for all loops equal to zero. 2) The EGL is always a distance V2/2g above the HGL. True or FalseH. 3 2. What are the relative advantages of using a Venturi meter to measure flow compared with an orifice meter?