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| The only metal that does not react with oxygen under ambient conditions is ___. |
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| For an oxide to be protective, the ratio of the volume of the oxide formed to the volume of the metal atoms that formed the oxide should be approximately ___. |
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| If an oxide is not protective, the weight gain as a function of time is ___. |
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| Iron is passivated by the addition of ___ in stainless steel. |
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| The ___ of a polymer is the combination of irradiation with light, including UV, and the reaction with atoms and molecules in the environment such as oxygen, nitrogen, and water. |
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| The ___ electrode is a 1-molar solution of hydrogen ions (H+) in HCl in contact with hydrogen gas at 1 atmosphere of pressure. |
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| When an ion gains electrons, this is called a(n) ___ reaction. |
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| A(n) ___ is the charge in coulombs on a mole of positive ions of unit charge. |
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| ___ is the degradation of a material because of electrochemical reactions with its environment. |
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| ___ corrosion is the dissolution of a metal that occurs when it is electrically connected to a more noble metal in an electrolyte. |
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| In cathodic protection of a metal structure, the structure is connected to the ___ terminal of a battery. |
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| When the surface of the reactive metal titanium is passivated, ___ forms on the surface of the metal. |
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| When iron is galvanized, it is coated with ___. |
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| ___ corrosion is intense, localized corrosion that occurs when a material has areas of restricted exposure to an electrolyte. |
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| ___ corrosion is usually caused by a difference in the chemical composition of the grain boundaries from the grain interiors. |
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| Selective ___ is the selective removal of one element from a metal alloy. |
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| ___ is the removal of material in a specific area of a part by using electrochemical techniques. |
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| ___ is uniform removal of metal from a part to produce a smooth surface by using electrochemical techniques. |
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| ___ is when material is deposited onto an electrode in an electrochemical cell. |
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| A ___ is an electrochemical cell that consumes a fuel and directly produces electrical energy. |
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| Which of the following materials would not react with oxygen? |
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| Which of the following is not a known growth rate for oxides on metals? |
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| Which of the following is not known to result in a high probability of a solvent penetrating a polymer? |
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| A similar molecular mass for the solvent and polymer molecules |
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| Which of the following metals should not be in electrical contact with a critical structure made of low carbon steel that is used in a sea water environment? |
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| Which of the following would not protect low carbon steel from corrosion in contact with an electrolyte? |
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Definition
| Attach the steel to the positive terminal of a 12 V battery |
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