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The following costs are associated with three tomato-peeling machines being considered for the use in a canning plant If the canning company uses an interest rate of 12%., which is the best alternative? Use NPW to make your decision.
(Note: Consider the least common multiple as the study period.)
Machine Economy Regular Deluxe First cost $75,000 $125,000 $220,000 Maintenance costs $8,000 $13,000 $38,000 Annual benefit $28,000 $43,000 $79,000 Salvage value $3,000 $6,900 $16,000 Useful life is ten years. use incremental rate of return anlysis, which alternative should the company choose? Use a MARR of 15%
A sand with Gs=2.66 and e=0.60 is completely dry. It then becomes wetted by a rising groundwater table. Compute the unit weight under the following conditions: a.) when the sand is completely dry
Estimate the average hourly, average daily, and minimum hourly residential sewage flows from an area serving a population of 1500 people. Assume that the lenghth of sewer and house drains equals 3.0 km and that infiltration occurs
Problem Statement: A rectangular beam having b = 10 in. and d = 17.5 in. spans 15 ft face to face of simple supports. It is reinforced for flexure with three
What pressure gradient is required to accelerate water vertically upward in a vertical pipe at a rate of 0.5g
The point of dicharge is 5 m abovethe floor, and friction losses in the 50 mm pipe from the resevoirto the tower amount to 2.5 J/kg. At what height in the resevoirmust the water level be kept if the pump can deliver only 0.1kW
Your engineering consulting firm has been asked to determine the specific weight of an unknown material. You decide to use the concept of buoyancy to figure this out. So you weigh the material in both air and water.
A sample of dry sand having a unit weight of 105 pcf and a specific gravity of 2.70 is placed outdoors. During a storm, the sample degree of saturation increased to 40% while its total volume did not change. Determine the total unit weight and wate..
Two pounds of an ideal gas are contained within a piston-cylinder arrangement. The initial volume and pressure are 1 ft3 and 75 psia respectively. The final volume is 3 ft3.
Two control points A "station" (1000E, 1000N) and B "backsight" (594.22E, 877.68N) are available within the area. Indicate the procedure to satisfy the orientation and calculate the required total station reading towards B.
It rains 3.0 in. on a 20.0 acre watershed. What is the volume of rainfall excess if 30% of the watershed area is a lake and infiltration on the soil is estimated at 1.0 in. What is the total volume of runoff
A vertical curve of 600 ft in length is used to connect two tangents with the following locations: Tangent 1.- Point 1, Sta = 59+00, El = 1250.0' Point 2, Sta = 72+00, El = 1190.0' Tangent 2.- Point 1, Sta = 72+00, El = 1190.0' Point 2, Sta = 84+0..
Design the ramp for the highest design speed (to the nearest 5 mph) without exceeding a minimum D of 8.0. (Assume the PC of the horizontal curve is at station 15+00, and the vertical curve PVIs are at the PC and PT of the horizontal curve). Maximu..
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