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Concept explainers
The pressure drop ?p in pascals (Pa) for a fluid flowing in a pipe with a sudden increase in diameter is given by:
Execute the program assuming flow of gasoline (? = 737 kg/m3) at v = 5 m/s and the following ratios of diameters d/D=0.9, 0.8, 0.7, 0.6,
0.5, 0.4, 0.3.
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Chapter 4 Solutions
EBK MATLAB: AN INTRODUCTION WITH APPLIC
- P KN Refer to the figure. d₁ 0.9 m Force P is 60 kN and each force Q is 125 kN. Q KN Add your answer Integer, decimal, or E notation allowed Q KN The diameter d₁ = 30 mm and diameter d₂ = 50 mm. B d₂ 1.2 m What is the normal stress in rod AB in MPa? Round to the nearest integer and enter the magnitude only. C Giarrow_forwardAa - AaBbCcl AaBbCcl AaBbC 1. Av 1 Normal 1 No Spac. Title Editing Dictate Sensitivity Editor Reuse Pick Files Imag Paragraph Styles Voice Sensitivity Editor Reuse Files Picki 5. A PMMC voltmeter with a resistance of 10 ohms gives has a coil of effective depth of 3 mm and a width of 2.5 cm, the coil has about 100 turns. The flux spread in the air gap is of 10mWb/m. The spring has a constant of 2 x 10 Then calculate, Deflection torque produced by the coil, when it is connected to 20V to measure. ii. Deflection made by the pointer, when the meter is to measure a voltage of 10V i. ed States) DFocusarrow_forwardFor a horizontal sieving machine project, I want to know the minimum input power of the DC motor if the maximum total load is 10 kg equally distributed and the minimum displacement is 3 cm (per second), and also the output power to deduce the efficiency. In another way: calculate the minimum power of a DC motor to move a 10kg object horizontally for 0.3 meters, and the output power. Thank you very mucharrow_forward
- 4- Can value of the string efficiency being equal to 100%. Explain your answer.5- Outline methods used to equalize the potential across the units.6- Why an insulator is represented as a capacitor C? What are the assumptionmodes?arrow_forwardSubject Linear Control I need answer for MCQarrow_forwardii. Use Kirchhoff's Current Law to mathematically write an expression for the figure below 1₂ 13arrow_forward
- Flowing wind has a. 72 percent of carbon dioxide b. Constant kinetic energy c. Variable kinetic energy d. 21 percent of moisturearrow_forwardThe following data are given for a wind turbine: Blade length, l = 45 m Wind speed, U = 12 m/sec Air density, r = 1.25 kg/m3 Find the following: a) Total wind power in MW that can be extracted b) Maximum wind turbine power in MW that can be generated c) Actual wind turbine power in MW if the power coefficient is 0.38 d) Blade tip speed in m/s if the rotational speed is 7 rpm e) Tip speed ratioarrow_forwardList 3 different concepts of Electricity(gravity) not hydro generation using weights design. Each concept must have an introduction and design description. Include a photo of each trenching machine design and modeling concept. For Example : Mass electricity generationarrow_forward
- What is Lenz's law and derive its formula.arrow_forwardI need helpo with this. I need step by step solutions for this and I cant figure it out. Wire to be used in buildings and homes in the United States is standardized according to the AWGsystem (American Wire Gauge). Wires are assigned a gauge number according to their diameter.The scale ranges from gauge 0000 to gauge 36 in 39 steps. The equation for the wire gauge interms of the wire diameter in millimeters is the picture. (a) What is the equation for the diameter in millimeters in terms of the wire gauge N?(b) You have two wires, one that has five times the diameter of the other. By how much do thewire gauges differ for the two wires? (Give your answer to the nearest integer.)arrow_forwardPLEASE ANSWER IT ASAP FOR AN UPVOTE. THANK YOU. Round off your answer into four decimal places .Box your final answer .Use SI unit. A magnetic circuit consist of silicon having a cross section of 1.5 sq. m and 0.1 m length and an air gap of the same cross section and pf 0.02 m length. what is the field intensity at the air gap if 0.5 A current flows through the 5000-turns coil? Assume the permeability of silicon steel is 3000.arrow_forward
- Delmar's Standard Textbook Of ElectricityElectrical EngineeringISBN:9781337900348Author:Stephen L. HermanPublisher:Cengage Learning
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