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Two workstations are being conciered by your company. Machine 1 costs $12000 new and $1300 to operate and maintain each year. Workstation 2 costs $15000 new and $600 to operate and maintain each year. Assume both will be worthless after 6 years and that the interest rate is %9.0. Determine by the equivalent uniform annual cost method which alternative is the better buy.
The velocity at the inlet is controlled so that it changes according to the following expression. V=a-ct^2, where a = 20m/s, c- 0.8m/s. If the tank initially contains 3kg of liquid water, determine the final mass at the end if 4 seconds of flow.
a potato is baked in an oven at 200degc. the potato is then removed from the oven and put on a table in the kitchen.
A cylindrical steel pressure vessel with mean diameter 1.5 m
Important information about Pressure Cooker, Steam is leaving a pressure cooker whose operating pressure is 30 psi. It is observed that the amount of liquid in the cooker has decreased by 0.4 gal in 45 minutes after the steady operating conditions..
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
block b moves downward with a constant velocity of 20 mms at t0 block a moving upward with a constant acceleration and
an airplane was moving with a velocity equal to 300mph when the velocity was increased with uniform acceleration to
explain the factor, which inhibit the use of a very high resolution and a large number of colors for display in the case of raster scanning display devices.
In our stress calculation example, we had an array of rod diameters and wanted to calculate the normal stress in each rod when it is loaded by an axial load P of 1000 lbs. EDU stresscalc ?
With reference to basic constructional features, contrast the methods of compression employed by positive displacement and dynamic air compressors.
A 0.453-Kg mass attached to a light spring elongates it by 7.87mm. Determine the natural frequency of the system.
Calculate the net cycle work in kJ assuming air is an ideal gas with constant specific heats.
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