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1.1.An equal-tangent crest curve connects a +2% initial grade with a -1% final grade, and is designed for 55 mi/h. The station of the PVI is 233 + 40 with elevation 1203 ft. What is the elevation of the curve at station 234 + 00?
2.What is the velocity of an electron that falls through a magnetic field aligned electric potential of volts across an accelertion region that is 10 k long? (neglect collisions and gravity and assume the electron has zero degree pitch-angle (i.s moving along the field)
A 3-ft diameter column with weight of 150 kg is placed on top of 1 m thick aggregate layer. The soil beneath the aggregate layer is sand. The friction angle of the aggregate is 36 degrees and the unit weight is 22 lb/ft3. What is the pressure acti..
As part of a drainage improvement project, a drainage ditch will be straightened and cleaned. As a result, the lenght of the ditch will decrease from 1800 ft to 1400 ft and the mannings roughness factor will be reduced to 0.018 from 0.022.
what are the possible combinations of inflow and outflow of water in the tank in a given day. if the water level in the tank is 7ft from the bottom at the start of day, what are the possible water levels in the tank at the end of the day.
Determine the young's modulus for a metal whose elasic limit isone half of its UTS. The material has a strain of 0.002 at theelastc limit and a gauge length of 50mm. The UTS of the metal is300 MPa.
For the data given below, derive the 2-hr unit hydrograph for a watershed having a drainagearea of 216 km^2, assuming a constant baseflow of 20 m^3/s.
you are designing a highway to AASHTO guidelines on rolling terrain where the design speed will be 65 mi/hr. At one section, a +1.25% grade and a -2.25% grade must be connected with and equal tangent vertical curve.
A rigid-walled cubical container is completely filled with water at 40 0F and sealed. The water is then heated to 100 0F. Determine the pressure that develops in the container when the water reaches this higher temperature
A perfectly mixed aeration pond with no recycle serves as the biological reactor for a small community. The pond receives 30m^3/d of influent with a BOD5 of 350mg/L that must be reduced to 20mg/L before discharge.
A solid steel sphere with a specific gravity of 7.85 and diameter of 0.02 m is falling at its terminal velocity through water at 25 °C. Using either trial-and-error or a graphical approach, determine the velocity of the sphere
Knowing the submerged depth of each of the 5 pressure taps and the density of water, determine the calculated pressure at each of the 5 pressure taps.
An automobile company is planning to build a 1.8 million square foot factory in Auburn. Estimate the expected number of trip ends at the factory on an average weekday.
Calculate the undrained shear strength at a depth of 120 ft below the mudline. Calculate the undrained shear strength at a depth of 120 ft below the mudline if the soil has an OCR of 2.5 .
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