NACE CP2 – EXAM QUESTIONS WITH CORRECT ANSWERS NACE CP2 Exam Questions and Answers (Graded A) NACE CP3 - Chpt 1. Mechanisms of Corrosion Exam Questions and Answers NACE CIP L2 Exam Questions and Answer NACE CIP 2 Study Guides NACE CIP 2 Exam Questions with correct Answers NACE CP1 – Exam NACE...
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NACE 2008 Student Manual! START OF CHAPTER 1 Corrosion is an electrochemical process involving A) flow of protons and electrons B) flow of neutrons and ions C) flow of protons and ions D) flow of electrons and ions E) flow of resistance and resistivity - ANSWER-d Metal loss or corrosion...
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Add to cartNACE 2008 Student Manual! START OF CHAPTER 1 Corrosion is an electrochemical process involving A) flow of protons and electrons B) flow of neutrons and ions C) flow of protons and ions D) flow of electrons and ions E) flow of resistance and resistivity - ANSWER-d Metal loss or corrosion...
oxidation - ANSWER-loss of electrons, positive charge atoms (anode) reduction - ANSWER-gain of electrons, negative charged atoms (cathode) forms of corrosion - ANSWER-uniform, crevice, galvanic (dissimilar metals) if two metals have to be couple then best to couple metals close together in the...
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Add to cartoxidation - ANSWER-loss of electrons, positive charge atoms (anode) reduction - ANSWER-gain of electrons, negative charged atoms (cathode) forms of corrosion - ANSWER-uniform, crevice, galvanic (dissimilar metals) if two metals have to be couple then best to couple metals close together in the...
Corrosion Zone - ANSWER-Fe0 -> Fe++ + 2e- (soluble - reaction can keep occuring) Immunity to Passive - ANSWER-Fe0 + 2H2O -> Fe(OH)3 + 2H+ + 2e- (insoluble - builds up at the interface) Corrosion to Passive - ANSWER-Fe++ + 3H2O -> Fe(OH)3 +3H+ + 1e- More Active (+ or -) - ANSWER-Ele...
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Add to cartCorrosion Zone - ANSWER-Fe0 -> Fe++ + 2e- (soluble - reaction can keep occuring) Immunity to Passive - ANSWER-Fe0 + 2H2O -> Fe(OH)3 + 2H+ + 2e- (insoluble - builds up at the interface) Corrosion to Passive - ANSWER-Fe++ + 3H2O -> Fe(OH)3 +3H+ + 1e- More Active (+ or -) - ANSWER-Ele...
Describe air turns - ANSWER-eliminates air stratification. 1-2 Turns is sufficient Below what RH does corrosion virtually cease? - ANSWER-40% 2 ways to reduce RH of boundary layer- - ANSWER-increase surface temp & dehumidification 2 types of dehumidification equipment: - ANSWER-refrigerant ...
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Add to cartDescribe air turns - ANSWER-eliminates air stratification. 1-2 Turns is sufficient Below what RH does corrosion virtually cease? - ANSWER-40% 2 ways to reduce RH of boundary layer- - ANSWER-increase surface temp & dehumidification 2 types of dehumidification equipment: - ANSWER-refrigerant ...
What is the cause of chalking in epoxy coating - ANSWER-UV or radiation exposure What is polymerization cured coating? - ANSWER-Two parts mixed together just prior to use Examples of non-convertible coatings - ANSWER-1. Chlorinated rubber 2. Vinyl 3. Acrylic 4. Bituminous Non-convertible cu...
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Add to cartWhat is the cause of chalking in epoxy coating - ANSWER-UV or radiation exposure What is polymerization cured coating? - ANSWER-Two parts mixed together just prior to use Examples of non-convertible coatings - ANSWER-1. Chlorinated rubber 2. Vinyl 3. Acrylic 4. Bituminous Non-convertible cu...
Describe passivation - ANSWER-Passivation is the formation of a protective oxide Film on the surface reducing its chemical activity and its ability to corrode Describe the following factors and how they affect corrosion - ANSWER-Oxygen: oxygen increases the rate of corrosion temperature Tempera...
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Add to cartDescribe passivation - ANSWER-Passivation is the formation of a protective oxide Film on the surface reducing its chemical activity and its ability to corrode Describe the following factors and how they affect corrosion - ANSWER-Oxygen: oxygen increases the rate of corrosion temperature Tempera...
corrosion - ANSWER-The deterioration of a substance, usually a metal from a reaction with its environment Passivation - ANSWER-A layer of oxides formed on the surface of a metal that provides corrosion protection. the elements of a corrosion cell - ANSWER-Anode, cathode, metallic pathway, elec...
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Add to cartcorrosion - ANSWER-The deterioration of a substance, usually a metal from a reaction with its environment Passivation - ANSWER-A layer of oxides formed on the surface of a metal that provides corrosion protection. the elements of a corrosion cell - ANSWER-Anode, cathode, metallic pathway, elec...
Ohm's Law relates the following... - ANSWER-volts, amps, resistance Resistance to current flow is lowest for a) low conductivity media b) small cross sectional area media c) short length of conductor d) high resistivity media - ANSWER-c In a series circuit a) voltage drops are always...
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Add to cartOhm's Law relates the following... - ANSWER-volts, amps, resistance Resistance to current flow is lowest for a) low conductivity media b) small cross sectional area media c) short length of conductor d) high resistivity media - ANSWER-c In a series circuit a) voltage drops are always...
Cathode - ANSWER-More noble region where electrons are consumed. Reduction occurs at the cathode Anode - ANSWER-Part of the metal that corrodes. Oxidation occurs at the anode Return Path - ANSWER-Connects cathode and anode and allows passage of electrons generated at the anode to the cathode ...
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Add to cartCathode - ANSWER-More noble region where electrons are consumed. Reduction occurs at the cathode Anode - ANSWER-Part of the metal that corrodes. Oxidation occurs at the anode Return Path - ANSWER-Connects cathode and anode and allows passage of electrons generated at the anode to the cathode ...
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