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Draw the FBD of the entire frame, assuming that friction and the weights of the members are negligible. How many unknowns appear on this FBD?
Using the modulus of elasticity as determined from the graph, calculate the center deflections of the wood for a load of 400 Ibs., and for the load at the last reading taken before rupture occurred. How do these compare with the observed deflecti..
What are the two conditions of the process that are required for an isentropic process defined in (a) to take place ? Prove your answers with second law equation for a control volume.
A mixture of 1 mol of H2 and 1 mol of Ar is heated at a constant pressure of 1 atm until 15 percent of H2 dissociates into monatomic hydrogen (H).
The following data represents, in square meters, the cross-sectional areas along a short portion of highway. Calculate the net volume of earthworks needed or available over the portion of the highway. Draw the Mass-Haul-Diagram for this project.
The station and elevation of the PVI is 8+17.36 and 76.85 ft. Assume that there will be stakes placed at the PVI, BVC, and EVC, the low (or high) point, and at all the 100-ft stations.
Testing has shown that at a local race track (0.25 in length) racecars have a maximum side friction factor of 0.08. The smallest turn radius on the oval track is 150 feet and has a banking of 20 degrees.
The composite shown is to be twisted by applying a torque T at end A. Knowing that the modulus of rigidity is 77 GPa for the steel and 27 GPa for the aluminum, determine the largest angle through
You need to compare measured and predicted deflections for the three situations described below. Comment on reasons for the differences between the predicted and measured values. Recall that E = 69 GN/m2, rho = 2700 kg/m3, and the beam cross-section ..
A rubber ball is inflated to a pressure of 65 kPa .At that pressure the diameter of the ball is 240mm and the wall thickness is 1.25 mm.The rubber has a modulus of elasticity E of 3.6 Mpa and a poisoon'd ratio of 0.48.
To determine the elevation of a point B from the elevation of a point A, which is 511.6 ft. When the transit was set up over the point A, the height of the transverse axis above that point was 4.92 ft.
A steel plate which is 1.5 m by 1.5 m and 30 mm thick is lifted by four cables attached to its corners that meet at a point that is 2 m above the plate. Determine the required cross sectional area of the cables
During construction of a highway project, a soil sample was taken from compacted earth for a sand-cone in place denstiy test. The following data were obtained from the test. Weight of sand used to fill test hole and funnel of sand-cone device= 845 g.
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