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1.Two 25-kip loads are maintained 6 ft apart as they are moved slowly across the 18-ft beam ab. write a computer program and use it to calculate the bending moment under each load and at the midpoint c of the beam for values of x from 0 to 24 ft at interval delta x = 1.5ft
2.What are the basic assumptions of the 'traffic flow model' and 'capacity model' used in signal timing design? Discuss.
3.A masonry project requires 900 sf repointing. Labor of this activity is given as in the CREW, 1 brick mason and 1 helper. The productivity is 0.5 labor hours per 1 sf. The wages are for the mason $60 and for the helper $45 per hour. The cost of labor in dollars will be:
a) 100
b) 110
c) 115
d) 105
Giving the classes, explain how rocks are put intofive (5) classes by each of the above parameters. Alsogive the parameter rating in each of the fiveclasses. Hint; use a table to answer this question
a cylinder has 500 cm3 of water. after a mass of 100 grams of sand is poured into the cylinder and all air bubbles are removoed by a vacuum pump, the water level rises to 537.5 cm3. Dteremine the specific gravity on the sand
A small package of weight W is projected into a vertical return loop at A with a velocity Vo. The package travels without friction along a circle of radius "r" and is deposited on a horizontal surface at C.
A dry quartz sand has a unit weight of 100 pcf. What is the soil's unit weight when the degree of saturation is 75% if Gs = 2.66
A driver takes 3.2 sec to react to a complex situation while travelling at a speed of 96km/hr.how far does the vehicle travel before the driver initiates a phisical response to the situation?
A flow has circular streamlines. At t=0 the flow is in the clockwise direction and the angular velocity is pi rad/s. This flow exists for 1 s, and then reverses to counterclockwise with an angular velocity of -pi rad/s for 1 s.
An uncatalyzed reaction has a rate of 4.2 x 10-7 sec-1. When an enzyme is added the rate is 3.2 x 104 sec-1. Calculate the rate enhancement caused by the enzyme.
A 24F-V4 Douglas Fir-Larch glulam is used to span 32 ft, carrying an ASD load combination (D + S). The load is uniform over a simple span, and the beam is laterally supported so that lateral torsional buckling is prevented.
For each of the two cases below, determine the water pressure, pressure head, elevation head, and total head at points A, B, and C. Please solve the problem using: (a) the upper reservoir level as the datum
Determine the basin dimensions (width, length, depth) for a detention time of 3 hours and a length to width ratio of 4 to 1. (use English units)
A 12 m-long and 800 mm-diameter drilled pier is constructed in a clayey soil with a1.5 m-diameter bell at the base. The top 7 m of the clay has an average Cu of 40 Kpa and the clay underneath has a Cu of 90 Kpa
Consider a steel containing 0.6% carbon and 10% chromium. Estimate the eutectoid temperature and concentration. What is the proeutectoid phase
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