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The CIMS Co. is considering a new milling machine. They have narrowed the choices down to three alternatives in addition to the Null alternative. The relevant data are shown in the table below. Alternative Economy Regular Deluxe First Cost $75,000 $125,000 $220,000 Annual Benefit $28,000 $43,000 $79,000 M & Costs $8,000 $13,000 $38,000 Salvage Value $3,000 $6,000 $16,000 All machines have a life of ten years. Using incremental rate of return analysis, which alternative should the company choose?
What is the Hydraulic Radius of Trapezoidal channel that has a bottom width of 9 feet, side slopes 3:1 (H:V) and the flow depth is 6 feet.
The structure consists of a wood frame with plywood roof deck, wall sheathing and floor deck. general form of the building construction is to be determined by the designer.
a new sports car has a drag coefficient of 0.30 and a frontal area of 21 ft^2, and is traveling at 119 mi/h. how much power is required to overcome aerodynamic drag if p = 0.002378 slugs/ft^3
Each wheel of an automobile has a weight of 48 lb, a diameter of 23 in., and a radius of gyration of 9 in. The automobile travels around an unbanked curve of radius 450 ft at a speed of 65 mi/h.
A tubular aluminium bar (G=28GPa) of square cross section with outer dimensions 50mm x 50mm must resist a torque T=300Nm. Calculate the minimum required wall thickness t_min if allowbale shear stress is 20MPa
A driver is traveling 68 mi/h on a road with a -3% grade. There is a stalled car on the road 1000 ft ahead of the driver. The driver's vehicle has a braking efficiency of 90% and anti-lock brakes.
1. Describe why materials such as aluminum, steel, basswood, and Polystyrene Plastic and structures are important in our everyday lives. 2.Write a paragraph to explain to a lay person a few of the important factors
A barge measures 10 ft (depth) by 35 ft by 120 ft and weighs 100 U.S. tons. The barge floats in fresh water (specific weight = 62.4 lb/ft3) and is evenly filled with 38,000 bushels of corn (60 lb/bushel).
Determine whether these conditions are true or false.
The flow in the river is 30ft^3/min and the first-order rate constant for disinfection is 6min^-1. 1)What kind of hydrodynamic model should you use. 2) write the mass balance equation for microorganisms in symbols at steady state. define symbols.
A farmer wants to irrigate a piece of land in 15 hrs. The area of the field is 15 acres. the farmer grows alfalfa that requires 3.5 inches of water during the 15 hours.At what flow rate should the farmer pump the water
It is known that a horizontal curve starts (has PC) 90m before the vertical curve's PVC. If the superelevation of the horizontal curve is .08 and the central angle is 38 degrees what is the station of the PT
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