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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
If 110 mg/L Alum (Al2(SO4)3 14H2O) is added to water containing a natural alkalinity of 20 mg/L as CaCO3, 1) how much lime (mg/L as CaO) must be added to react with the alum 2) How much precipitate (mg/L as Al(OH)3 ) is formed
If a watershed of drainage area 100 mi^2 has abstractions of 2.5 in/hr, what runoff volume will show up in the nearby stream in addition to baseflow for a rainfall of 5-hr duration with an intensity of 4 in/hr
The behaviour of structural materials using comparative statement when they are formed into structural member
There are many parallels between the industrialization of the United States after Reconstruction and the modernization of the American workforce in the last twenty to thirty (20-30) years as it transitions from industry to a service-oriented econo..
At what point on the expressway should the motorist step on her brakes in order to reduce her speed to the maximum allowable on the ramp just before entering the ramp
Assume that the width of the intersection in 24 ft and the car is 20 ft long. If the driver's perception-reaction time is 0.75 seconds, determine if he can clear the intersection safely for the following conditions
what is the effect of temperature on compressive strength of concrete?
The beam ABC of length L has two different moments of inertia (2I in AB, I in BC) and a constant elastic modulus E. It is fixed at point A has a roller support at point B and a load P at C. a. Sketch the deflected shape of this beam.
A 100 gram piece of ice cooled at -20 degrees Celsius is placed in the calorimeter. What is the final temperature of the system, and what mass of ice and water remains
An interesting application of the relative motion equations is the experimental determination of the speed at which rain falls. Say you perform an experiment in your car in which you park your car in the rain and measure the angle the falling rain..
The subway train shown is traveling at a speed of 30 mi/hr in the west direction when the brakes are fully applied on the wheels of cars B and C, causing them to slide on the track, but are not applied on the wheels of car A.
A 3000 lb vehicle has a drag coefficient of 0.32 and a frontal area of 30 ft2. What is the minimum tractive effort required for this vehicle to maintain a 65 mph speed on a 2% upgrade through an air density of 0.002045 slugs/ft3
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