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A freeway on a level terrain carries a volume of 4500 veh/hr onfour 11-foot lanes in one direction. the vehicle mix is 75%passenger cars, 10% trucks, 10% buses and 5% recreational vehicles.lateral obstructions are located at a distance of 5 ft on the rightside and 8 ft on the left side of the roadway. given that the design speed is 60 mph and the PHF is 0.70, compute the LOS? listall assumptions.
A 2,400 foot long, 2 foot diameter pipline conveys water from a hilltop reservoir to an industrial site. The pipe is made of ductile iron, has an outside diameter of of 2.25 feet, and has expansion joints.
Using Darcy's Law, calculate the quantity of groundwater (L/day), the seepage velocity (m/s), and the contaminant loading (Kg/day) to the river (assuming no retardation) for the following scenario. Be sure to include both a plane view and cross-se..
An adiabatic argon unit compresses argon at 200 kPa and 27C to 2.18 MPa. If the Argon leaves this compressor at 513C. What is the isentropic efficiency of the compressor
Determine the energy loss due to the gradual enlargement from a 25 mm pipe to a 75 mm pipe when the velocity of flow is 3 m/s in the smaller pipe and the cone angle of enlargement is 20°C.
Emissions of heat-trapping carbon dioxide (CO2) reached an all-time high of 31.6 gigatons in 2011, a 3.2% increase over 2010. The International Energy Agency said this further reduces the chance that the world can avoid a dangerous rise
The compound interest formula is F=P(1+i)n where F is the total amount due, P is the initial cost or amount of money, i is the interest rate, and n is the number of periods interest is computed. 1.A student purchases a $1400 laptop computer for sc..
a 5 inch inside diameter well is to be placed to a total depth of 60 m in an unconfined sand aquifer. the saturated
an insulated tank is evacuated. Air from the atmosphere at 12 psia and 70 degrees farenheight is allowed to flow into the 100 cubic foot tank. What is the final temp and the final mass of air in the tank just after flow ceases.
Calculate the diameter and depth of a circular sedimentation basin for a design flow of 3800 m3/day based on an overflow rate of 0.00024 m/s and a detention time of 3 hr.
What pressure gradient along a streamline, dp/ds, is required to accelerate water upwards in a pipe at 0.5 m/s^2 The incline is 1:10, i.e., 1 m upward for every 10 m horizontal
The length is 10 feet. What is the nominal strength if Fy=50 ksi. Note that this is a slender-element compression member, and the equations of AISC section E7 must be used
An aquifer has a hydraulic conductivity of 12 ft/day and an effective porosity of 17% and is under a hydraulic gradient of 0.0055 m/m. A. Compute the specific discharge in m/s.
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