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A 10-feet trapezoidal channel is designed to carry a discharge of 1,000cfs with side slopes: Z1 = 4 and Z2 = 5. The channel bed slope is 0.04 ff/ft and has Manning's N of 0.03. To protect the channel from erosion, the normal flow velocity for the design discharge has to be reduced to 7.0 fps or below, and the flow Froude number must be reduced to 0.80 or below. To satisfy the above criteria, a drop structure is to be installed as a grade control for a reach of 200 feet.
Calculate the heat transfer per unit mass during the expansion if the exit temperature is 50 degrees celcius.
Draw a P-V diagram for pure component and label appropriate points such as superheated region, isothermal line, etc.
The channel has side slopes of 4H:1V and a longitudinal slope of 0.5%. Assume a depth of flow of 6-inches. The parking lot slopes at 1% toward the channel from both sides, and the 2-year, 24-hour rainfall is 2in.
If the elevation difference between the water surfaces is y = 25 + x/11 metres, what minimum pipeline diameter will be required to convey the design discharge? Once your design is complete, determine the actual discharge. The value of x equals 23.
Are there any situations when parallel flow option may be preferred instead of a counter flow heat exchanger
Suppose the average concentration of SO2 (SOsub2) is measured to be 400microgram/cu.m at 25degree celcius and 1 atm. Does this exceed the (24-hr) air quality standard of 0.14 ppm
A quartzite sample in a compression testing machine is 180mm long and 54mm in diameter. what is the stress under a load of 100kN? if the modulus of elasticity is 102kN/mm2, find the strain develope in the sample.
When water at 70C flows through a convergingsection of pipe, the pipe pressure decreases in the direction of flow. Estimate the minimum absolute pressure that can develop without causing cavitation.
Two 9-in.-diameter pipes (pipe 1 and pipe 2) are supported every 7.5 ft by a small frame like that shown. Knowing that the combined weight of each pipe and its content is 30 lb/ft and assuming frictionless surfaces
If the peak-hour factor is .90 and all of the drivers are regular users, what is the level of the service of this compound-grade freeway segment?
What is the result of a volume change in a saturated cohesive soil because of expulsion of the water occupying the void spaces
Flue gas containing NO2is then treated by an air pollution control equipment with 85% efficiency. Determine the annual emission rate of NO2 leaving the air pollution control device.
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