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A four-lane freeway (two lanes in each direction) is on mountainous terrain with 11-ft lanes, a 5-ft right-side shoulder, interchange spacing of one every 10 miles, and a 60-mi/h base free-flow speed. During the peak hour, there are 12% large trucks and buses and 6% recreational vehicles. The PHF is .88 and the driver population adjustment is determined to be .90. The freeway currently operates at capacity during the peak hour in the direction of question. If an additional 11-ft lane is added (each direction) and all other factors stay the same, what will be the new level of service?
The 75 lb block is released from rest 5 ft above the plate. Determine the compression of each spring when the block momentarily comes to rest after striking the plate.
The volume flow rate of streams into the pipe is given by QA = 0.02t m 3 /s and that of stream B by QB = 0.008t 2 m 3 /s, where t is in seconds. The exit area of the pipe is 0.01m 2 . Find velocity and acceleration of the flow at exit at t = 1s.
You fill a 2-cubic foot wheelbarrow to the top with aggregate. if the specific gravity of the aggregate is 2.548 and 18% of the aggregate is void spaces, how much does the aggregate in the wheelbarrow weight?
Is the system within membrane manufacturer's warranty requirement of maximum flux rate of 14 gfd? What is the annual power cost of the RO system?
Describe how test flumes and associated equipment are used to assess and confirm hydraulic behaviour in open channel
At a specified point on a highway, vehicles are known to arrive according to a Poisson process. Vehicles are counted in 20-second intervals, and vehicle counts are taken in 120 of these time intervals.
In year one, a pharmaceutical mixing tank had a market price of $120,000. It replaced an older smaller mixing tank that had a BV of $15,000.
Pore water pressure is to be observed during the construction of the embankment. Calculate the pore water pressure which must not be exceeded at any point in the clay layer 9 m below the surface of the embankment to ensure a shear strength of 100 ..
Find the total mass, quality of steam, specific volume, specific enthalpy, and specific internal energy.
Characteristic values of the shear strength parameters of the soil are c'= 0, and f' = 400. Determine the required width of the footing if a factor of safety of 3.0 against shear failure is specified when the water table rise to foundation level.
Engineering ethics concepts and cases
Land is extremely valuable in this area therefore to win this job you need to consider innovative approach to reduce the waste areas
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