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A machine has a first cost of $45 000 and operating and maintenance costs of SO.22 per unit produced. It will be sold for $4500 at the end of five years. Production is 750 units per day, 250 days per year. The after-tax MARR is 20%, and the corporate income tax rate is 40%. What is the total after-tax annual cost of the machine
(a) in Australia using straight-line depreciation?
(b) in Australia using declining-balance depreciation?
(c) in the UK?
(d) in the US, assuming a 5-year AIACRS property class?
(e) in Canada using a 30% CCA rate?
Create a specific availability vs. temperature curve for saturated liquid and saturated vapor water. Neglect any kinetic or potential energy effects.
a closed rigid tank is filled with water. initially the tank holds 9.9ft3 saturated vapor and .1ft3 saturated liquid
Briefly explain the following concepts related to exposure thresholds: time-weighted average, short-term exposure limit, exposure ceiling, and biological exposure indices.
blooks a and b as shown in figure 1 have a mass of 3 kg and 9 kg respectively and are connected to weightless links ac and cb. determine the largest force p that can be applied at pin c without causing movement.
A shell and tube heat exchanger with one shell pass and four tube passes is being analyzed to determine the heat transfer rate and the fluid outlet temperatures for prescribed flow rates and inlet temperatures. The cold fluid has a heat capacity rate..
the rotating parts of a front wheel assembly of a car have a total mass of 35 kg and are measured to be out of balance.
Verify that the Reynolds number is dimensionless, using both the FLT system and the MLT system for basic dimensions, and determine its value for ethyl alcohol flowing at a velocity of 3 m/s through a 2-in.-diameter pipe.
a pelton wheel is used to produce hydroelectric power. the average radius of the wheel is 1.83 m and the jet velocity
Write a term paper on Tooling design for composite manufacturing - how tooling is designed for different applications to make composite airplane parts and such.
Air at 250 kPA and 15C is being forced into a tire, which has a volume of 0.5m^3, at a velocity of 60 m/s through a 6 mm opening. Find the rate of change of the density in the tire.
a hot surface on a stovetop faces upwards. it is a pan whose diameter is 10 inches. the surface of the pan is dull with
1. A surveyor finds that the bottom of a rectangular channel drops 3.75 feet in a distance of 200.0 feet. What is the slope of the channel?
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