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Mountain Pass Canning Company has determined that any one of five machines can be used in one phase of its canning operation. The costs of the machines are estimated below, and all machines have a 5-year life. If the minimum attractive rate of return is20% per year, determine the one machine that should be selected on the basis of a rate of return analysis.
Annual Operating Machine First Cost, $ Cost, $/year Salvage Value1 -31,000 -18,000 54002 -28,000 -19,500 53003 -34,500 -17,000 10004 -48,000 -12,000 05 -41,000 -15,500 2200
A) Select Machine 1B) Select Machine 2C) Select Machine 3D) Select Machine 4
Determine Fourier Number, Compare two identical steel spheres, except the first has a two inch diameter while the second sphere has a four inch diameter. The larger sphere will have a Fourier number approximately
A gear blank has been successfully hot forged on a mechanical press in a closed die. At the beginning of a new production run
Knowing that crank AB has a constant angular velocity of 160 rpm counterclockwise, determine the angular velocity of rod BD and the velocity of collar D when a. delta=0, b. delta = 90.
A car and a high -speed trian at constant speeds. three seconds after the train passes under the highway bridge the car crosses the bridge.
A household refrigerator with a coefficient of performance of 2.4 removes energy from the refrigerated space at a rate of 600 Btu/h. Evaluating electricity at , determine the cost of electricity n a month when the refrigerator operates for 360 hou..
Large stationary brayton cycly gas turbine power plant delivers a powr output of 100MW to an electric generator . Minimum temperature is 300K so T1= 300k max temp is 1600k
Entropy explained in this solution, Liquid H2O at 8 MPa and 40 degrees C is heated reversibly at constant pressure until the temperature reaches 600 degrees C
If the pipe is to be insulated with glass wool insulation (k=.05 W/m C) in order to decrease the temperature rise of water to .25 degrees C, determine the required thickness of the insulation.
The purpose of this project is to introduce you to the application of FEA by using the ANSYS software to examine the deflection of an I-beam under a point load.
A 5v belt drive system operates an input speed of 1250 RPM at the small sheave. The driving sheave has a pitch diameter of 6.000 in, and the driven sheave has a pitch diameter of 19.000 in. If an optimum center distance of 47 in is specified.
in a crank or slotted lever quick mechanism the distance between the fixed centre is 150 mm and driving crank is 75 mm. determine the ration of the time taken of cutting & return strake .
determine the designe power. An output speed of 175 RPMis specified. Determine: a) number of teeth on the small sprocket, b) number of teeth on the large sprocket, c) lubrication type required, d) the required length of chain (in inches) if the ce..
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