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Calculate the depth downstream from a hydraulic jump in a 20 ft wide rectangular channel in which the flow is 300 cfs and the depth upstream from the jump is 1.5 ft. Calculate also Froude numbers before and after the jump.
The partition ruptures, and the nitrogen comes to a uniform state at 100?C. Assuming the surroundings are at 25?C, find the actual heat transfer and the irreversibility in the process.
A whip crack is illustrated below. To crack the whip, it is thrown forward with a velocity of 10 m/s and the handle is stopped in a vertical position instantly forming a tight loop that propagates forward.
A face milling operation is performed to finish the top surface of a steel rectangular work piece 12.0 in long x 2.0 in wide. The milling cutter has four teeth (cemented carbide inserts) and a 3,0 in diameter.
Assume that the upstream pressure is 60 psi and that the flow is isothermal at 68F, determine the maximum possible mass flow rate of air for which the assumption of incompressible flow is a vaild engineering approximation.
It is proposed to reduce the concentration acetaldehyde in aqueous solution from 55% to 5% by mass, by extraction with solvent S at 293K. If a counter current multiple contactor process is adopted and 0.025 kg/s of solution are treated with an equal ..
Assume you are an observer standing at a point along a three-lane roadway. All vehicles in lane 1 are travelling at 30 mi/h, all vehicles in lane 2 are travelling at 45 mi/h, and all vehicles in lane 3 are travelling at 60 mi/h. There is also a const..
The cart has a velocity of 4 ft/sec to the right. Determine the angular speed N of the wheel so that point A on the top of the rim has a velocity (a) equal to 4 ft/sec to the left, (b) equal to zero, and (c) equal to 8 ft/sec to the right
Two level sections of an east-west highway (G = 0) are to be connected. Currently, the two sections of highway are separated by a 4000-ft (horizontal distance), 2 % grade. The westernmost section of highway is the higher of the two and is at eleva..
Compute departures and latitudes, linear misclosure, and relative precision for a five-sided, closed traverse. It is given that the aziumuth of AB is 74 degrees 31 minutes, 17 seconds, A = 105 degrees 13 minutes 14 seconds B = 92
Your next project site is an old landfill, which reaches a depth of 30 feet. Below, there are many layers of both competent and caving soils, but none of the competent soil layers capable of giving the needed bearing capacity under the 12’’ diameter ..
Find the stress induced in the aluminum rod if, after the gap is closed, the two segments are welded together, and then a leftward force is applied of the same magnitude needed to close the gap. Assume the rod segments remain aligned during loading.
Compute the amount of chlorine required for disinfection in pounds per day(lb/d). Estimate the annual cost for disinfection using chlorine. Flow Rate= 30 milloin gallons per day.
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