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A grievance has been filed by the union at Dorben Co. regarding the final inspection station, in which the operator slightly lifts a 20 lb assembly, examines all sides, and, if acceptable, sets it back down on the conveyor, where the assembly goes to the packing station. The inspector examines, on average, 5 assemblies per minute at an energy expenditure level of 6 kcal/min. The conveyor is 40 inches off the floor and the assembly while being inspected is roughly 20 inches from the inspector. Evaluate the job with respect to the NIOSH lifting guidelines and metabolic energy expenditure considerations. Indicate whether the job exceeds allowable limits. If it does, calculate how many assemblies the inspector may inspect per minute without exceeding acceptable guidelines.
A driver is travelling at 50 mi/h on a wet road. An object is spotted on the road 500 ft ahead and the driver is able to come to a complete stop just before hitting the object.
The water pressure in the municipal pipeline is 450 kPa, the sum of the local loss coefficients in the building pipes is 11.0, and the flow to be delivered to the top floor at 25 L/s through a 150-mm diameter PVC pipe.
The horizontal motion of plunger and shaft is arrested by resistance of the attached disk which moves through the oil bath. If the velocity of plunger is v.
On a specific westbound section opf highway, studies show that the speed density relationship is u=uf *[1-(k/kj)^3.5]. It is known that the capacity is 4200hehicle/hr and the jam density is 210 veh/mile.
How do the concepts of green design, industrial ecology, and sustainable developement differ from past approaches to engineering design Prepare a brief report on this topic using some specific examples for illustration.
When it is dried out in an oven, it weighs 122.7 g. The specific gravity of solids is found to be 2.66. Find the water content, void ratio, porosity, degree of saturation, and wet and dry unit weights.
create a primary function that uses a function handle with a nested function to compute the ninimum of the function 20x^2-200x+12 over the range 0
Assume the earth is a sphere with a radius of 6,371,000.000 meters. Three points are defined by their latitude and longitude. Point Latitude (N) Longitude (W) A 40° 25' 48.67" 86° 54' 54.00" B 40° 25' 47.00" 86° 54' 54.00" Purdue CE C 40° 25' 47.0..
Determine the transformed moment of inertia for the beam using steel as the reference material. Express your answer in in^4 to the nearest 0.1 in^4.
A rectangular channel is to carry 200 cfs. The mean velocity must be greater than 2.5 fps. The channel bottom width should be about twice the channel depth. Find the channel cross section and the required channel slope.
Calcium sulfate (CaSO4, solubility product Ksp=2*10^-5 M^2), is added to initially pure water, such that solid CaSO4 remains at equilibrium. (Assume the sulfate does not participate in reaction other than the solubility product; no HSO4- formed).
According to a settlement analysis, the weight of this fill will cause 600 mm of the total settlement over a period of 30 years. The differential settlement will probably be about 100mm. Although the building could be supported on spread footing f..
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