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An emergency drawdown structure for a reservoir consists of a 1,000 ft long, 1.0 ft (inner) diameter commercial steel pipeline with a wall thickness of 0.5 inches. A gate valve is located at the end of the pipe. If the valve is closed suddenly, determine the maximum water hammer pressure that will develop in the pipeline. The water level in the reservoir is 98.4 ft above the outlet.
a 520 ft long equal tangent crest vertical curve connects tangents that intersect at station 340 00 and elevation 1325 ft the initial grade is if 4 and the final grade is 2.5.
For a trapezoidal shaped channel (n=0.014 and slope = 0.0002 with a 20-ft bottom width and side slopes of 1:1.5 (V:H), determine the normal depth using trial and error technique for a discharge of 1000 cfs.
A continuous geogrid having a reinforcement coverage ratio equal to 100 percent. A continuous metallic grid consisting of W4 bars having a diameter equal to 5.7 mm, a distance between longitudinal bars equal to 150 mm, a distance between transvers..
The beam is simply supported and spans 25 feet. The beam must be designed for a superimposed uniformly distributed dead load of 1 kip/ft, and a concentrated live load of 12 kips that acts 10 feet from one of the supports.
Determine the Stoichiometric oxygen requirement (pounds of oxygen per pound of fuel) for a fuel containing by weight 50% n-octane,25% 1-heptene and 25% methanol.
The pivot of each 120 kg seat on a Ferris wheel travels in a circle with a 10 m radius, and the Ferris wheelrotates witha rotational speed of 0.1 rad/sec. What is the interaction force between the ferris wheel framework and the seat H when angle Q..
Two immiscible fluids are in contact. Fluid I is denser and is also well mixed. The concentration of species a is cao everywhere within this fluid and the temperature in fluid I is held constant at To.
assume the readings on thermometers are normally distibuted with a mean of 0C and a standard feviation of 1.00C. Find the probability that a radndomly selected thermometer reads greater than 1.23 and draw a sketch of the region.
a reinforced concrete beam with a section of 12 inches width and 24 inches depth is reinforced with 3no. 9 bars. fc'=5000psi and fy=60000psi. a 2 inch cover is used and the beam has a simply supported span lenght of 15ft.
A manufactory company produces flash drivers and their products include: 1GB (10%), 2GB (10%), 4GB (20%), 8GB (30%), 16GB (20%) and 32GB (10%); in addition, there are four different colors for all the flash drivers
Water flows in a 100-m long pipe at 3 m/s. If the water temperature is 20 degrees C, determine the minimum valve-closure time to avoid creating the water-hammer pressures. What is the maximum water-hammer pressure that can occur
Determine the % error n in replacing the sine and the tangent of an angle by the value of the angle in radians for angle values 5,10,20 degrees. Explain the qualitative difference between the sine and tangent results.
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