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# Chapter 8 Solutions

Applied Fluid Mechanics (7th Edition)

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Engineering Mechanics: Dynamics (14th Edition)

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Mechanics of Materials

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INTERNATIONAL EDITION---Engineering Mechanics: Statics, 14th edition (SI unit)

- Please solve Correctly as fast as. 4.- A 295.15K fluid with a density of 990 kg/m^3 and a viscosity of 4.6 kg/m. s, passes at a speed of 0.75 kg/s through a stainless steel pipe with an internal diameter of 64 mm. a) Calculate the Reynolds number and determine the flow regime. b) Calculate the velocity of the flow in m^3/s necessary for a Reynolds number of 2300 and the velocity in m/s.
*arrow_forward*1. in a section of horizontal piper with a diameter of 3cm the pressure is 5.21 kpa and water is flowing with a speed of 1.50m/s. the pipe narrows to 2.50cm. what is the pressure in the narrower region if water behaves like an ideal fluid of sensity 1000kg/m3 2. tensile stress a. the ratio of elasic modules to strain b. the applied force per crosssectional area c. the ratio of change in length to the orig length d. the strain per unit legth e. the same as force*arrow_forward*Heavy fuel oil flows from A and B through a 1000 m horizontal 150mm diameter steel pipe. The pressure at A is 1050 kPa and at B is 35 kPa. The kinematic viscosity is 0.000413 m²/s and the specific gravity is 0.92. What is the flow rate?A. 0.0332 m³/sB. 0.1445 m³/sC. 0.8582 m³/sD. 1.2244 m³/s*arrow_forward* - Find the diameter of a pipe of length 6 km when rate of flow of water through the pipe is 250 litre/sec and head loss due to friction is 6 m. Take C = 55 for Chezy's formula. %3D
*arrow_forward*The ethanol solution is pumped into a vessel 25 m above the reference point through a 25 mm diameter steel pipe at a rate of 8 m3 / hr. The pipe length is 40 m and there are 2 elbows. Calculate the power requirements of the pump. The properties of the solution are density 975 kg / m3 and viscosity 4x 10-4 Pa s. a. Reynold number = Answer. b. Loss of Energy along the straight pipe = AnswerJ / kg. c. Losing Energy at curves = AnswerJ / kg. d. Total energy to overcome friction = AnswerJ / kg. e. Energy to increase water according to height = AnswerJ / kg. f. The theoretical energy requirement of the pump ethanol / second = AnswerJ / kg. g. Actual pump power requirement = Answerwatt.*arrow_forward*SAMPLE PROBLEMS #3 A venturi meter with a 10.16 cm throat is installed in a 15.24 cm pipe which is inclined upward at an angle of 45 degrees to the horizontal. If the distance between pressure tape along the pipe is 1.5 m, the differential pressure is 70 kPa, and the water temperature is 70°C, what is the discharge of water in m'/sec? Assume coefficient of 0.985.*arrow_forward* - Show complete solution and formulas used. Show the schematic diagram too. Calculate the required pipe diameter to avoid cavitation, if the pump delivers Q = 30US gallon/min water from a closed tank, where the pressure (above the water level) is p = 40kPa. The equivalent length of the smoothened concrete pipe on the suction side is 12m while the suction flange of the pump is 8m below the water level. The vapour pressure at the given water temperature is 2.8kPa. The required net positive suction head is NPSHr = 3.2m.
*arrow_forward*The ethanol solution is pumped into a vessel 25 m above the reference point through a 25 mm diameter steel pipe at a rate of 8 m3 / hr. The pipe length is 40 m and there are 2 elbows. Calculate the power requirements of the pump. The properties of the solution are density 975 kg / m3 and viscosity 4x 10-4 Pa s. a. Reynold number = Answer. b. Loss of Energy along the straight pipe = Answer J / kg. c. Energy Loss at curves = Answer J / kg. d. Total energy to overcome friction = Answer J / kg. e. Energy to increase water according to height = Answer J / kg. f. The theoretical energy requirement for the pump is kg ethanol / second = Answer J / kg. g. Actual pump power requirement = Answer watt.*arrow_forward*For the flow of 12.9 L/min of water at 75 degrees Celcius in a plastic pipe, 16mm OD x 1.5mm wall, compute the expected maximum velocity of flow. Answer is 1.95m/s. Please show how to solve.*arrow_forward* - The ethanol solution is pumped into a vessel 25 m above the reference point through a 25 mm diameter steel pipe at a rate of 8 m3 / hr. The pipe length is 35m and there are 2 elbows. Calculate the power requirements of the pump. The properties of the solution are density 975 kg / m3 and viscosity 4x 10-4 Pa s. a. Reynold number = ..... b. Energy Loss along the straight pipe = ..... J / kg. c. Energy Loss at curves = ..... J / kg. d. Total energy to overcome friction = ..... J / kg. e. Energy to raise water according to height = ..... J / kg. f. The theoretical energy requirement for the pump is kg ethanol / second = ..... J / kg. g. Actual pump power requirement = ..... watts.
*arrow_forward*Use g=32.2 */sec2 (9.81 m/s2) and 60°F (16°C) water unless told to do otherwise.• Google schedule-40 pipe’s thickness at different nominal size to obtain the innerdiameter of the pipe for accurate determinaLon of flow velocity.• Must show your work to support your selecLon. Otherwise, no points will be given.• No peer discussion is allowed.. A cylindrical tank 5 ft high has a constant diameter of 4 ft is full of water. The tank has a hole2. A cylindrical tank 5 * high has a constant diameter of 4' is full of water. The tank has a holein its bo]om that measures 0.1ft^2. All losses are insignificant. How long will it take for the tankto empty? Note that you can NOT assume a staLc head and constant flow rate because thewater head in the tank decreases as the water flows out of the tank (A) 35 sec(B) 70 sec(C) 105 sec(D) 140 sec*arrow_forward*The ethanol solution is pumped into a vessel 25 m above the reference point through a 25 mm diameter steel pipe at a rate of 8 m3/hour. The length of the pipe is 35m and there are 2 elbows. Calculate the pump power requirement. The properties of the solution are density 975 kg/m3 and viscosity 4x 10-4 Pa s. a. Reynolds number = b. Energy Loss along a straight pipe = J/kg. c. Energy Loss in turns = J/kg. d. Total energy to overcome friction = J/kg. e. Energy to raise water to height = J/kg. f. Theoretical energy requirement of the pump kg ethanol/second = J/kg. g. Actual pump power requirement = watt.*arrow_forward*

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