NACE CIP 1& CIP 2 Exam Bundle Questions and Answers Graded A

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 galvanic series, pitting, intergranular, selective leaching (dezincification, graphitization), velocity phenomena, environmental cracking (corro...

Faraday's Law calculates the A. potential of a metal in seawater B. potential of a metal in the metal ion solution C. metal lost based on the resistance D. metal lost due to current over time - ANSWER-D. metal Lost due to current over time An environment where cathodic protection is NOT ef...

Proper operation of a rectifier can be confirmed by which of the following? 1. DC current output 2. DC voltage output 3. Tap setting 4. Potential at a control point - ANSWER-All of the above The purpose of the galvanic anode backfill is NOT to A. prevent passivation of the anode B. crea...

A mitigation bond may cause more problems under which of the following conditions? 1. Where the interfering structure bond point is more electropositive than the interfered with structure 2. Where the interfering structure bond point is more more electronegative than the interfered with structur...

If 5.0 A of battery current passes through the outside leads of a 4-wire current span spaced at 30 m (100 ft), resulting in a voltage drop of 5.0 mV with the test current applied and of 1 mV without the test current, what is a the calibration factor of the current span? A. 0.00025 A/mV B. 4.0 A/...

Metal surfaces in higher oxygen concentrations become more anodic or more cathodic? - ANSWER-Cathodic Metal surfaces in higher salt concentrations become more anodic or more cathodic? - ANSWER-Anodic Metal surfaces in higher metal ion concentrations become more anodic or more cathodic? - ANSWE...

ASTM D 4258 - ANSWER-standard practice for surface cleaning concrete for coating ASTM D 4259 - ANSWER-standard practice for abrading concrete ASTM D 4260 - ANSWER-standard practice for acid etching ASTM D 4261 - ANSWER-standard practice for surface cleaning concrete unit masonry for coating...

What is Passivation? - ANSWER-A layer of oxides formed on the surface of a metal that provides corrosion protection. Stainless Steel for example. What are the elements of a corrosion cell? - ANSWER-Anode Cathode Metallic Pathway Electrolyte Describe what happens at the anode - ANSWER-The me...

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, electrolyte what happens at the anode - ANSWER-The metal dissolves into the electrolyte the function of the...

In a series circuit a) voltage drops are always equal b) total resistance equals the sum of individual resistances c) current varies through resistors d) total current is equal to the sum of the current through each resistor - ANSWER-b According to Ohm's Law, an electrical circuit with a d...

Area of a rectangle - ANSWER-Length times width Current decrease - ANSWER-Voltage decreases if resistance stays the same Current increase - ANSWER-Voltage increases resistance stays the same Faraday's law - ANSWER-The mass of a substance altered I am electrode during electro sis is directl...

STRAY CURRENT - ANSWERdefined as current flowing on a structure that is not part of the intended electrical circuit. FACTOR FOR CORROSION TO OCCUR AS A RESULT OF STRAY CURRENT - ANSWERthere must be an exchange of current between metallic structures in an electrolytic environment.

Coatings formulated from coal tar pitch or natural asphalt, reinforced with glass and a felt wrapper, used less today because of toxicity - ANSWER-bituminous enamels Coatings that consist of polyolefin or polyethylene extruded over butyl or asphalt mastic adhesive, high impact resistance and resi...

You are the NACE Inspector on a tank lining project where a 50% solids epoxy tank lining is being applied. After application of the 19 coat you notice small blisters in some areas of the applied lining. Your FIRST preferred course of action is to: - ANSWER-Document the problem and advise the Contrac...