NACE

NACE 2 CBT STUDY GUIDE EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED GRADED A++ Corrosion is established as a what kind of current? Direct Current All corrosion of iron at normal ambient conditions is ________________ ____________ an electrochemical process Define, E=IR E is driving voltage, I is current magnitude, R is circuit resistance. The less noble part of a corrosion cell - negatively charged - dissolves metallic iron then converts it to positively charged ions - ge...

NACE CP2 STUDENT MANUAL CHAPTER 4: ROAD AND RAILROAD CASINGS EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED Casings under roads and railroads serve to: I: Remove stress on the carrier pipe (pipe from external loads on the road bed above II: Leaks, should they occur, would go to the side vents and not destroy the road bed III: Pipe replacement could be made without damaging the road bed A: I B: II C: III D: I, II, III D True or False: Casings are a simple construc...

NACE STUDY GUIDE EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED LATEST UPDATE List 3 desirable properties of a coating. Chemical resistance, water resistance, ease of application, adhesion to substrate, cohesive strength, flexibility and elongation, impact resistance, abrasion resistance, temperature resistance, dielectric strength Two broad classifications of a coating are: Organic Inorganic Convertible Non-Convertible Thermosetting Thermoplastic What ate the two ...

NACE CP2 STUDENT MANUAL CHAPTER 6: PIPELINE SURVEY METHODS EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED GRADED A++ A close interval potential survey is a test where structure-to-electrolyte potentials are measured __________. A) at 1 to 3 meter spacing along a pipeline B) at 1 to 3 kilometer spacing along a pipeline C) at the quaterpoints around a large tank D) close to the DC power source a For steel in concrete what is the probability of corrosion at a potential of -...

NACE CP2 STUDENT MANUAL CHAPTER 9: MONITORING AND RECORDS EXAM ACTUAL QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED RATED A++ Which of the following regulations require inspection of an Interference Control Drainage Bond? (select all that apply) A) DOT 49 CFR 192 B) DOT 49 CFR 195 C) CSA Z662 D) ISO 15589-1 a, b, c, d Which of the following is NOT necessary in establishing the integrity of an aging pipeline? A) direct inspection data B) in-line inspection data C) electro...

NACE CP2 STUDENT MANUAL CHAPTER 10: SAFETY EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED True or False: Job Safety Analysis (JSA) are not of importance to do before starting a project f JSA's is the best way to assess safety risks before starting a project. A job safety analysis allows a project to proceed when the: (select all that apply) A) hazards have been identified B) risks have been identified C) preventative measures reduce the risk to an acceptable leve...

NACE CP2 STUDENT MANUAL CHAPTER 3: FIELD MEASUREMENTS EXAM ACTUAL QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED GRADED A++ A structure-to-electrolyte potential is a measurement taken with the voltmeter connected in ____ in the circuit. A) parallel B) series a A structure-to-electrolyte potential measures the potential difference between _________. A) two different structures acting as electrodes B) the structure and a standard reference electrode C) the structure and the ...

NACE CP2 STUDENT MANUAL CHAPTER 1: CORROSION THEORY EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED Oxidation of the metal occurs at the ____ surfaces and reduction of ____ ions occurs at the ____. A) anodic, hydrogen, cathode B) cathode, OH-, anodic C) anodic, OH-, cathode D) cathode, anodic, electrolyte E) cathode, hydrogen, electrolyte a At the cathodic surface in a corrosion cell, the electrons from the ____ meet ____ ions from the solution. A) cathode, hydrogen ...

NACE CP1 BOOK CHAPTERS 1-4 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED GRADED A++ Power rate at which energy is used by an electrical device (P=VI, necessary to know power required by CP rectifier to size AC supply circuit) Longer wires (series) = ____ resistance and ____ current for given voltage higher, lower Cable running to groundbed represents ____ circuit and groundbed itself represents ____ circuit series, parallel DC direct current (flows in one direction, produ...

NACE CP - CHAPTER 2 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED GRADED A++ The electrode of an electrochemical cell at which oxidation occurs. Anode The part of the metal that corrodes Anode The electrode of an electrochemical cell at which reduction is the principal reaction. Cathode The more noble region on the electrode (metal surface, or in the battery analogy, the carbon rod) where the electrons are consumed. Cathode The electrical reaction is said to be positive,...