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Metal plates having a total exposed area of 1 m2 are fastened together with rivets having a total exposed area of 100 cm2. The environment contains moisture, and possibly some salt. Consider two cases:
(1) steel plates with copper rivets, and
(2) copper plates with steel rivets.
(a) For each case, which metal will corrode?
(b) How do the rates of corrosion compare for the two cases?
(c) If twice as many rivets are used, what influence would this have on the total rate of corrosion?
How does this number compare to sugar cane ethanol and cellulosic ethanol? Employ appropriate assumptions for crop yields and process conversion efficiency.
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The location and magnitude of the minimum pressure in this rotating fluid
Twenty pounds of a gas mixture is contained in a tank with volume 30 cubic feet at 30 psia and 70 F. The gas mixture has volumetric analysis of twenty percent carbon dioxide, thirty percent oxygen, and fifty percent nitrogen.
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