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An equal-tangent crest curve connects a +2% initial grade with a -1% final grade, and is designed for 55mi/h. The station of the PVI is 233 + 40 with elevation 1203 ft. What is the elevation of the curve at station 234+00?
The point of intersection of the tangents is located at station (948+67.32). If the design speed of the highway is 60mi/h, determine both the point of tangent and the deflection angles to whole stations for laying out the curve. Select appropriate..
The testing machin that covers the right range of load is to be chosen. it is expected to load the material up to a strains of 3%. if th material must remain elastic over that range, what would be the maximum load
Assuming constant acceleration, determine how long the train blocked the crossing. Dis- regard the width of the crossing.
water is pumped into an irrigation pond at 250 gal/min for 24 hours. the pond area is 2500 square feet. Determine the depth of water in the pond .Provide answer in ft and m
A nuclear facility in a coastal region is built to withstand ocean wave forces. Suppose the annual maximum wave height of the ocean waves (above the sea level) is a lognormal random variable with mean height of 4.0 meters and a c.o.v. of 0.8
If bod5 and ultimate bod of a municipal wastewater are 200mg/l and 457 mg/l respectively what is the reaction rate constant? a) .265 b) .050 c) .115 d) .165
For Oil (SG=0.86, u=0.025 Ns/m^2) flow of 0.3m^3/s through a round pipe with diameter of 500 mm, determine the Reynolds number. Is the flow laminar or turbulent
The coefficients of static and kinetic friction are 0.3 and 0.2, respectively, between each of the plates and between plate A and the ground. Determine the acceleration of each plate.
A vertical gate keeps water from flowing in a triangular irrigation channel. The channel has a 4-m top width and a 3-m depth. If the channel is full, what is the magnitude of the hydrostatic force on the triangular gate and its location
Plot the ground level concentration of sulfur dioxide as a function of distance from the stack and determine the maximum ground level concentration at both with and without air pollution control and the distance from the stack where the maximum co..
A 1 meter diameter cylindrical mass, M, is connected to a 2 meter wide rectangular gate. The gate is to open when the water level, h, drops below 2.5 meters. Determine the required value for M. Neglect friction at the gate hinge and pulley.
A 300 mm diameter pipe is placed in a 3 m deep rectangular trench that is 0.60 m wide. The trench is backfilled with clay that has a bulk unit weight of 18.8 kN/m3. Compute the dead load due to backfill that the pipe must support.
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