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Calculate the super-elevation required for a horizontal curve on a two-lane, two- way highway with 60 mph design speed, and a 1200 ft. radius curve. What is the required length of the spiral curve? If the lane width is 12 ft, and the cross (side) slope of the crown section is 2.0%, draw to a convenient scale the progress of pavement edges to attain the superelevation. Revolve the pavement about its
a. Inside edge. b. Outside edge c. Centerline
It was observed that the truck traveled a distance of 120 ft after the brake was engaged before coming to a complete stop. If instead the driver brings the truck to a velocity of 90 mph and completely engages the brake
Assume the vehicle, including the engine compartment is completely sealed. Each tire has about 1 ft by 0.67 ft of tire tread in contact with the road surface. Assume that the specific weight of the water flowing is 62.4 lb/ft3
If a mass of 500kg is placed centrally on the top face of the buoy, find the maximum height of its centre of gravity above the bottom of the buoy so that the buoy may remain in stable equilibrium.
Determine the flow rate of water (20 degrees celcius) that will cause a pressure drop of 17250 N/m^2 in 350m of horizontal, cast-iron pipe (d=60cm). assume minor losses are negligibe
Assuming that carbonate species dominate the acid/base behavior of boh solutions and that no gas transfer occurs when they are mixed, determine the alkalinity and pH of the mixture.
Write an M-file to calculate the factorial function of N!, as defined by: N!=1 N=0 N!=N*(N-1)*(N-2)*...*3*2*1 N>0 The MATLAB code to calculate N factorial for positive value of N would be n_factorial=1
A light spring of a constant k=90.0 N/m is attached vertically to atable. A 2.00g balloon is filled with helium (density 0.180 kg/m^3)to a volume of 5.00m^3 and is then connected to the spring, causingit to stretch. Determine the extension distance L..
A girder that carries a uniformly distributed dead load of 1.7 K/ft plus its self-weight and three concentrated live loads of 15 kips at quarter points of that 36 ft span is to be sized.
The water line to a house is usually 3'4" copper tube. Find the flow rate that can be delivered and still maintain laminar flow in the tube
The rate constant for decay of contaminant A in the reservoir is k=1.5 (1/year). Assuming the population, discharge rate, and reservoir conditions have been stable for a long time, estimate the concentration of A in the reservoir.
Water ?ows at 6 ft/ s through a pipe 500 ft long with diameter 1 in. The inlet pressure p1= 200 psig, and the exit section is 100 ft ft higher than the inlet.
The filters in the plant are 8.0x8.0m surface area and operate on the following schedule. A filter is cleaned once in each 24-hr period, and a backwash rate is 10.0 L*m^-2*s^-1 fora period of 8 min.
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