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If there are 50 vehicles on a 4000-ft highway lane and the average time headway between two adjacent vehicles is 2.2 seconds.
A) Calculate traffic density in vehicle/mile (vpm) and average space headway in feet/vehicle (fpv).B) Calculate traffic volume in vehicle/hour (vph).C) Calculate the space-mean speed in mile/hour (mph) of the traffic on that lane.
Determine the number of man-hours required to form the structure using data from R. S. Means or other appropriate reference. What is the difference between labor cost and labor pro-ductivity?
A thin-walled cylindrical tank of radius r is subjected simultaneously to internal pressure p and a compressive force P through rigid end plates. Determine the magnitude of force P to produce pure shear in the cylindrical wall.
Water in a pip has a pressure of 22.1 lb/ft2. What is the pressure head?
Determine the maximum service load W (kips) at the mid-height of the beam-column shown in the accompanying figure 2.1. Assume the member is hinged with respect to bending in both x and y directions at the top and bottom.
For a metal and wood structure, how would the economies of construction be obtained (pertaining to the mean and standard deviation of a probability of failure graph)?
Which of the following is not a basic systems engineering concept?a. Define need before function
Does Bernard have an unfair advantage over firms having designed the project on which he wants to bid?
A gate (shaped like .25 of a cylinder with radius R=3m) is used to control the flow of water through a canal.The height of the water in the tank is 30m. How much force must be applied to keep the gate from opening? The gate is 30m wide.
Assess the adequacy of this existing curve in light of the reconstruction design speed of 60 mi/h and, if the existing curve is inadequate, compute a satisfactory curve length.
What is the minimum distance from the stalled car at which the driver could apply the brakes and still stop before hitting it? Assume coefficient of rolling resistance of 0.013.
How do you calculate the force of water hitting a concrete cylindrical pole. The velocity of the water is 2 ft/s, the depth of the water is 10 ft, and diameter of the pole is 3 ft. So what would be the total force exerted on the pole by the water?
{rm Al} reacts with 4.45 {rm g} of {rm O}_{2}, what is the empirical formula of aluminum oxide?
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