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The annual maximum series of flood magnitude in a river has a normal distribution with a mean of 6000 m^3/s and a standard deviation of 800 m^3/s
A. What is the probability in each year that a flood magnitude would exceed 5000 m^3/s
B. if a channel is built to control the 20 year flood, what is the probability that the channel will be over topped in any 4 year period
C. What is the probability that the channel will be over topped twice in and 4 year period
D. If the channel is overtopped for 2 years in a row, renovation cost will increase too much. What is the probability that the channel will be overtopped for only 2 years in a row in a 4 year period
What is the concentration of tracer in the reactor 1 h after tracer addition is terminated? The reactor had an initial concentration of tracer of 1.0 mg/L when tracer addition commenced.
A 1:2000 scale tidal model is operated to satisfy Froude’s law. A velocity of 0.02 ft/s is observed in the model. What is the velocity at the corresponding point in the prototype? What length of time in the model corresponds to one day in the prototy..
If rod slides along the horizontal slot with a velocity of 44 ft/s , determine the angular velocity of link BC at the instant
A completely mixed retention basin is used to treat an industrial waste water consisting of a non-conservative pollutant, using a reaction that destroys the pollutant according to first-order reaction kinetics, with k = 0.216/day.
A) Compute the maximum fiber stress. B) If the compression flange of the beam is supported laterally only at the ends of the span, what will be the allowable compressive stress in the extreme fibers
Assuming we are still in a world with only discrete investment choice, i.e., option A, option B, etc., describe a realistic investment problem where none of the environments discussed apply without some reframing.
A weightless piston is placed on the liquid surface and the water level stabilizes (also in the small tube) to a level of h. Next, a weight of 10 kg is placed on the piston causing the liquid in the small tube to rise.
At one point in a pipeline, the water's speed is 3.00 m/s and the gauge pressure is 4.00×10^4 Pa. Find the gauge pressure at a second point in the line 11.0 m lower than the first if the pipe diameter at the second point is twice that at the first..
If you were a leader of an Asian power in this era like China, Japan, or India, how would you have reacted to the arrival and actions of the Europeans? Why?
The actual weight of the Rectangular Aluminum Beam (used in Task 3) is 25 grams, while the actual weight of the Square Aluminum Box Beam is only 5 grams.
Water from a lower reservoir (water surface elevation) 500 m is pumping to the upper reservoir (water surface elevation 600 m) through a 5000 m long straight pipe with 0.5 m diameter
A 5 ft square, 2 ft. deep spread footing is subjected to a concentric vertical load of 60 k and an overturning moment of 30 ft-k. that acts at a 45 degree angle from the side of the footing
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