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As a school-based rehabilitation engineer, you received a request from a teacher to design and build a gadget that would enable an 8-year-old, second-grade student to signal her desire to respond to questions or make a request in class. This young student uses a powered wheelchair, has multiple disabilities, cannot move her upper arms very much, and is unable to produce understandable speech. Prepare a list of quantitative and qualitative questions that will guide your detailed analysis of this problem. Produce a hypothetical set of performance specifications for such a signaling device.
A solution of nitric acid has a specific gravity = 1.502. Stating that the concentration of nitric acida. molarity
When dried to remove theremaining water (but not the water of hydration), the final dry Na2S2O2· 5H2O crystals must not contain more than 0.1 %impurity. To meetthis specification, the original solution, before cooling, is further diluted with wate..
Determine the line-to-line voltage at the sending end of the high-voltage feeder when the transformer delivers rated load at 240 V (line-to-line) and 0.8 lagging power factor. Neglect the exciting current of the transformer.
Assist with the setting of design variables necessary for sizing equipment
The reaction A + B ? R is a zero order with respect to both A and B. Compute the values for CA and CB at t = 15 seconds if the specific rate of reaction is 0.01 mole/L-s and initial concentration of A and B are both 0.2 moles/L.
What is fugacity? How does it relate the chemical properties of ideal gases to real gasses and what is the equation for it?
Compute the magnitude of the line-to-line voltage at the terminals of the load.
What results can be expected in the near-term? The mid-term? The long-term? Nanotech's development can usefully be divided into stages, for example:
3.5 Calculate the reactor volumes required to process I043 liter/min of 3 molar .4 in the aqueous reaction A -+ 2B for PFTR and CSTR reactors. (a) 90% conversion, k 2 min-I (b) 99% conversion, k = 2 mole liter-' min-(c) 99.9% conversion, k 2 mole lit..
Hydrogen gives off 120. J/g of energy when burned in oxygen, and methane gives off 50. J/g under the same circumstances. If a mixture of 5.0 g of hydrogen and 10. g of methane is burned, and the heat released is transferred to 50.0 g of water at 2..
Calculate the flow rates of burets Y and Z. Assume the flow rates remain constant during the experiment.
In a project manager simulation were you made different language versions in French, German, and Japanese of a software product named LullSIM with an internal team. In this simulation you were not able to choose the option of hiring contractors, g..
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