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The S8 × 18:4 steel beam is used as a cantilever 6 ft long. The 100-lb weight falls through 6 in. before striking the free end of the beam. Determine the maximum dynamic stress and deflection caused by the impact. Use E = 29 × 106 psi for steel.
A rigid tank contains 1.5 kg of water at 120°C and 500 kPa. Now 22 kJ of shaft work is done on the system and the final temperature in the tank is 95°C. If the entropy change of water is zero and the surroundings are at 15°C, determine
some engineers have suggested that air compressed into tanks can be used to propel personal transportation vehicles.
considering a river flowing toward a lake which is 40 m below. it is known that the river flows at a constant velocity
How does the cost concept affect accounting for operating assets? Under this concept, what is included in the cost of a fixed asset?
Ten cubic feet of air is cooled at a constant pressure of 80 psi. The initial temperature is 180 0F and the final temperature is 100 0F. Assume air is an ideal gas, Cp = 0.241 Btu/lb 0R and Cv = 0.173 Btu/lb 0R and R = 1545 lbf/lbmol 0R, M = 28.97 lb..
Sketch the water surface and energy grade line, and identify any known water surface profiles.
a round disk is used to exactly cover the drain in the bottom of a 10 ft deep swimming pool. the diameter of the disk
Obtain formulas for the maximum tensile stress σt, maximum compressive stress σc, and maximum in-plane shear stress τmax at the top of the bar at the support due to the weight of the bar.
consider the following state of stress mpa sigmasigmax 82 sigmasigmay 16 sigmasigmaz 40 tautaoxy 15 tautaoyz
a wind tunnel is 6m long and has a cross section of 1m2. air flows through at 70ms at standard sea-level conditions
To become acquainted with the operating principles of Hydraulic Pumps and Air Compressors. Disassemble each hydraulic pump. Neatly sketch or take a photo and label the parts of the pumps.
Air enters a machine at 373 C with a speed of 200 m/s and leaves it at 293 C. If the flow is adiabatic, and the work output by machine is 105 Nm /kg, what is the exit air speed? What is the exit air speed when machine is delivering no work?
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