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The beams shown in the figure are subjected to bending moments M= 250 Nm. Each beam has a rectangular cross section with height h = 44 mm and width b = 10 mm (perpendicular to the plane of the figure).
(a) For the beam with a hole at midheight, determine the maximum stresses for hole diameters d = 10, 16, 22, and 28 mm.
(b) For the beam with two identical notches (inside height h1= 40 mm), determine the maximum stresses for notch radii R = 2, 4, 6, and 8 mm.
The velocity field of a flow is given by V = (3y + 2)i + (x - 8)j + 5zk , where x, y, and z are in feet. Determine the fluid speed at the origin (x = y = z = 0) and on the y axis (x = z = 0). First, determine the fluid speed at the origin (x = y = z ..
A particular polymer has a critical stress intensity parameter of 5 MPa?m^1/ 2 and a strength of 150 MPa. It is being used as a plate that experiences tension. The maximum stress it is designed to experience is 80% of its strength.
2. What is the design objective? -to minimize the required power input to the compressors 3. What parameters does the design engineer control?
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The barrel and tube are filled with water (to the top of the tube). Calculate the ratio of the hydrostatic force on the bottom of the barrel to the gravitational force on the water contained in the barrel. Why is that ratio not equal to 1.0? (You ..
solve using moodys diagram. on a farm water is delivered from a pressurized storage tank to an animal watering trough
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