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Determine the bending moment in a rectangular beam 2 in. wide and 4 in. deep, if the maximum bending stress is 20,000 psi.
Water at 70oC (row = 1.94 slugs/ft3) flows out of a nozzle (diam. = 1in) with a velocity of 10 ft/s at an individual holding a protective shield. If the water deflects off of the shield perpendicular to the original stream in all directions
5 Kg of water at 1.2 MPa, 120oC is contained in a frictionless piston-cylinder device. The water is heated until its temperature reaches 250oC. a) a)Determine the work performed in kJ
Determine the elastic and plastic section modulus of the I-beam. The axis runs through the center of the beam on both x and y axis (completely symmetrical). Beam properties: h= 12inches tf= 0.5 inches bf= 6 inches tw= 0.25 inches
Raw primary sludge at a solids concentration of 4% is mixed with waste activated sludge at a solids concentration of 0.5%. The flows are 20 and 24 gal/min, respectively. What is the resulting solids concentration
a 520 ft long equal tangent crest vertical curve connects tangents that intersect at station 340 00 and elevation 1325 ft the initial grade is if 4 and the final grade is 2.5.
In an irrigation system sometimes water must be pumped over long distances. Consider a system that consistes of a 1 m diameter, 2 km long commercial steel pipe, which connects a river to an irrigation canal.
A $78,000 invtestment in machinery is proposed. It is anticipated that this investment will cause a reduction in net annual operating disbursements fo $16,300 a year for 12 years. The investement will be depreciated for income tax purposes
Energy transfer in mechanical systems, A wheel is 800mm in diamiter and has a mass of 1000kg. on a horizontal surface without skidding, the vehicle accelerates uniformly at 0.5m/s^2 for 5 seconds.
Three-point bending test was performed on an aluminum oxide specimen having a circular cross section of radius 5.5 mm; the specimen fractured at a load of 850 N when the distance between the support points was 50 mm.
The uniform load has a mass of 450 and is lifted using a uniform 35- strongback beam and four ropes. Determine the Tension in the ropes Determine the force that must be applied at A.
At the inlet, the pressure is 6 MPa, the temperature is 500 degrees C, and the velocity is 20 m/s. At the exit, the pressure is 0.5 MPa, the quality is 0.95(95%), and the velocity is 75 m/s. The turbine develops a power output of 2500kW.
A constant pressure container is filled with 1 kg of stainless steel and 0.5 kg of PVC (polyvinyl chlo- ride) both at 20C and 0.25 kg of hot air at 500 K, 100 kPa. The container is now left alone with no external heat transfer.
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