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A Steel plate weighing 205 lb with a center of gravity at point G is supported by a roller at point A,a bar DE, and a horizizontal hydraulic cylinder BC. Negelcting all weights of all members except for the plate, determine the force supported by the hydraulic cylinder, the bar, and the reactionn at the roller. free body diagram and answers best.
A circular bar under pure torsion needs to transfer 50 N*m of torque. The total bar length is 1 m and the total rotation can not exceed 2 degrees. The bar is made of a material with G=3000 MPa.
Define flow at a hydraulic jump (upstream and downstream) in terms of the types of flow and corresponding Froude number. What is the depth of water at each section (upstream and downstream) compared to critical depth
A 100 mm diameter log is subjected to two equal loads equally spaced along its 450 mm length at 150mm intervals. The beam has an allowable flexural stress of 9 MPa and a much lower allowable shear stress parallel to the grain of 850 kPa
If the allowable shear stress is 100 MPa, calculate the maximum shear force V that a W460 X 60 structural steel wide flange is capable of resisting. Use the average web shear approach.
bathtub full of water with small tub floating in it with baby and rock in it. the baby throws rock into tub. will water level rise, fall, or stay the same
An aluminum alloy tube of length 600mm and circular cross section with an inner diameter of 32mm and an external diameter of 36mm is subjected to an axial tensile force of 25kN. Find the change in length of the tube.
A fire has destroyed thousands of acres of forest. Seedlings have been planted in the area but are being destroyed by the local wildlife. Develop a way to reforest the region by preventing the wildlife from eating the seedlings
(a). Find the sum of moments about point E due to this system of forces (b). Find the sum of moments about point A due to this system of forces (c). Find the resultant couple moment acting on the beam
Water flows through a pipe at 14cfs. At a point where the pipe diameter is 18in. the pressure is 30 psi; at a second point, further along the flow path and 2 ft lower than the first, the diameter is 9in. and the pressure is 18psi.
A horizontal pre-stressing force of 750kn is applied to a rectangular concrete beam to be used as a structural member of a traffic bridge. The beam has a depth of 500mm and a width of 250mm. The force is applied at a distance of 80mm below the sec..
(a) What are some of the important properties of unalloyed copper that make it an important industrial material (b) How is copper extracted from copper suflide ore concentrates
Water is at 9000 kPa and 300 degrees celcius and flows through a partially open valve. Pressure immediately after the valve is measured to be 600 kPa. Calculate the specific internal energy of the water leaving the valve. Neglect kinetic energy ch..
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