A horizontal curve is being designed through mountainous terrain for a four-lane road with lanes are 10 ft wide. The central angle (Δ) is 40°, the tangent distance is 520 ft, and the stationing of the PI is 2600+00. The coefficient of friction is .08 and the curve’s superelevation is .09 ft/ft. What is the stationing of the PC and PT, and what is the safe vehicle speed?

Asingle-geared blanking press has a stroke of 200 mm and a rated capacity of 320 kn. a cam driven ram is assumed to be capable of delivering the full press load at constant force during the last 15 percent of a constant-velocity stroke. the camshaft has an average speed of 90 rev/min and is geared to the flywheel shaft at a 6: 1 ratio. the total work done is to include an allowance of 16 percent for friction a) estimate the maximum energy fluctuation b) find the rim weight for an effective diameter of 1.2 m and a coefficient of speed fluctuation of 0.10

Different types of steels contain different elements that alter the characteristics of the steel. for each of the following elements, explain what the element does when alloyed with steel.

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