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1. Determine the service flow rate with a level of service B for asection of 4-lane freeway (2 lanes in each direction) with 10-ft lanes and obstructions 4 feet from the traveled pavement on oneside of the roadway. The section has a 5% grade 0.95 miles long. It is to accommodate 8% heavy trucks and buses and 4% recreational vehicles. Based on local studies, an adjustment factor for thedriver population, fp , 0f 0.90 is indicated. The design speed is60 mph.
2. Determine for the cited operating conditions, the maximum approach volumes per clock hour for a 36-ft-wide street in anoutlying business district in a city of 250,000. Load factor is0.7, peak-hour factor 0.80, and percentage of green 50.
a. Operated as a two-way street with parking permitted.
b. Operated as a two-way street, with all parking prohibited.
c. Operated as a one-way street 36 ft wide with parkingpermitted.
d. Operated as a one-way street 36 ft wide with all parkingprohibited.
the block is fitted between the fixed supports. if the glued joint can resist a maximum shear stress of T(allow)=2ksi, determine the temperature rise that will cause the joint to fail. Take E= 10(10^3)ksi, v=0.2
You have determined that a 0.5 ppm concentration of copper sulfate should be applied to a lake to control the growth. The lake volume is 50 ac-ft. How many pounds of copper sulfate should be dissolved in the lake
Crude oil (s.g.= 0.86, m =7.18*10-3 Pa*s) is to be carried at a flow rate of 0.25m3/s between two tanks with a difference of surfaceelevation of 9 m. The pipeline is smooth (e=0) and 90m long. What pipe size (diameter) is required?
Air enters an adiabatic compressor at 100 kPa and 17 degrees C at a rate of 2.4 m^3/s. It exits at 257 Degrees (C). The compressor has an isentropic efficiency of 84%. Neglecting the changes in kinetic and potential energy
A short Reinforced Concrete column is 300mm x 400mm. It is required to carry an ultimate load of 1500kN and an ultimate major axis bending moment of 300kNm. Calculate the area of reinforcement required.
The acceleration of a particle is defined by the relationship a=-kx^-2 ft/s^2, where x is in feet and k is a constant. At x(0)=0.1ft, v(0)=0 and at x(1)=1ft, v(1)=10ft/s. Find the velocity at x=5ft.
The subsoil at the site is a thick layer of soft alluvial river silts and sands, the bearing capacity of the silt has been found to be in the region of 80 kN/m2. There is a high ground water table present.
Write a brief paragraph summarizing the following Habitat Simulation Method used to analyze environmental flow requirements.
From historical cost records, the capacity ratio exponent of a process unit is 0.5. Use the capacity ratios raised to an exponent method to determine the estimated cost of a similar process unit with a capacity of 310 ft3/hr.
A welded connection is in equilibrium under the action of thefour forces shown. Knowing that Fa=8kn and Fb= 16kN, determine the magnitudes of the other forces.
A 4000-m 3 /day conventional activated sludge plant has an influent with a BOD5 of 190 mg/L and SS of 225 mg/L. What population would this plant serve?
If the component of velocity along the axis is Vx=6t with t in seconds. determine the particle's distance from the oriigin which is at t=3s. when t=0, x=0, and y=0. also determine the magnitude of acceleration when t=3, x and y are in ft.
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