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NACE CIP 1 > CIP 1 Day 1 and 2 > Flashcards

CIP 1 Day 1 and 2 Flashcards

1
Q

The deterioration of a material, usually a metal, that results from a reaction with its environment

A

Corrosion

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2
Q

The formation of a thin surface layer of corrosion product can form an effective barrier against further attack that can slow down the rate of corrosion process.

A

Passivation

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3
Q

For corrosion to occur; certain conditions and elements are essential.

A

Corrosion Cell

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4
Q

The electrode of an electrochemical cell at which oxidation occurs. Electrons flow away from the anode in the external circuit. Corrosion usually occurs and metal ions enter the solution at the anode.

A

Anode

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5
Q

The electrode of an electrochemical cell at which reduction is the principal reaction Electrons flow towards the cathode in the external circuit.

A

Cathode

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6
Q

Connects the anode and the cathode and allows passage of electrons, generated at the anode, to the cathode.

A

Return Path

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7
Q

Medium that conducts ionic (rather than electronic) current

A

Electrolyte

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8
Q

The oxide layer formed during hot fabrication or heat treatment of metals. A blue-black layer of iron/iron-oxide; cathodic relative to substrate; Generally removed prior to painting

A

Mill Scale

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9
Q

A list of materials in order of their corrosion potentials; with the most easily corroded, or most active, at the top and the least active at the bottom.

A

Galvanic Series

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10
Q

Relatively uniform loss of material over the entire surface and in general thinning of the affected surface.

A

Generalized Corrosion

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11
Q

Occurs at discrete sites on the metal surfaces. Usually at defects in coating; Changes in contaminants or pollutants, changes in the electrolyte.

A

Localized Corrosion

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12
Q

Corrosion does not proceed uniformly but primarily occurs at distinct spots where deep pits are formed.

A

Pitting Corrosion

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13
Q

Occurs on a metal surface that is shielded from full exposure to the environment because of the close proximity of another material that forms a narrow gap between them.

A

Crevice Corrosion

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14
Q

Substance that, when added to an environment, prevents or decreases the rate of corrosion.

A

Corrosion Inhibitor

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15
Q

A technique to reduce the corrosion of a metal surface by making the surface the cathode of an electrochemical cell. Uses sacrificial anodes, magnesium, zinc or aluminum, that will corrode in preference to the steel structure they are connected to.

A

Cathodic Protection

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16
Q

A reduction of the anodic reaction rate of an electrode involved in corrosion

A

Passivation

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17
Q

What are the elements of a corrosion cell?

A

Anode, cathode, metallic path and electrolyte

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18
Q

Different concentrations of oxygen on the same metal usually occurs in immersion conditions.

A

Oxygen Concentration Cell

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19
Q

Increase the rate of corrosion by increasing the efficiency (conductivity) of the electrolyte.

A

Chemical Salts

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20
Q

Causes very rapid rusting; Airborne salts and chemical pollutants. Humidity and seawater provide the electrolyte.

A

Chemical/Marine Environment

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21
Q

Highly corrosive environment because of the gases, chemicals and high humidity

A

Chemical with High Humidity

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22
Q

Gases and chemicals stimulate corrosion even in low humidity

A

Chemical with Low Humidity

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23
Q

Provides an active electrolyte because of the moisture and the salt particles

A

Marine with High Humidity

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24
Q

Chemical with High Humidity

A

Highly corrosive environment because of the gases, chemicals and high humidity

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25
Q

Marine with High Humidity

A

Provides an active electrolyte because of the moisture and the salt particles

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26
Q

Chemical with Low Humidity

A

Gases and chemicals stimulate corrosion even in low humidity.

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27
Q

Splash Zone Area

A

Mid-tide to 12 ft above high tide

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28
Q

Rural Environments

A

Least corrosive environment due to clean air, few pollutants and low moisture

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29
Q

Least corrosive environment due to clean air, few pollutants and low moisture.

A

Rural Environments

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30
Q

What occurs at the anode?

A

Metal ions enter into the solution and corrosion usually occurs at this location, generates the electrons

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31
Q

What is the function of the electrolyte?

A

To carry the metal ions to the cathode and to complete the electrical path

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32
Q

What is the function of the metallic path?

A

To carry the electrons connecting the anode and the cathode

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33
Q

5 Factors that affect the rate of corrosion

A

Oxygen, temperature, chemical salts, humidity and pollutants and acid gases.

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34
Q

Common tools to control corrosion?

A

Design, inhibitors, material selection, cathodic protection, protective coatings, splash zone systems, alteration of environment.

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35
Q

Mission statement: Undertake simple coating ________ under _________.

A

Inspection work; direct supervision of a qualified level III inspector

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36
Q

Mission statement: Read and comprehend a _________ ___________.

A

Coating specification for surface preparation and coating application

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37
Q

Mission statement: Use simple________ ___________.

A

Inspection equipment

38
Q

Mission statement: comprehend and use________ _________ __________.

A

Surface preparation standards (NACE, SSPC, and ISO) to recognize specified surface cleanliness

39
Q

Mission statement: Recognize inspectors job as __________ of a _________ effort.

A

Part of a team effort

40
Q

Mission statement: Recognize importance of_________ meetings.

A

Pre-job

41
Q

Mission statement: Recognize need to determine_____________ and ______________

A

Inspector responsibilities and authority

42
Q

Priority

A
  1. Matches. Number 2.Handaxe. 3. Heavy duty canvas. 4. sleeping bag. 5. Maple syrup. 6. Nylon rope. 7. Snowshoes. 8. Inner Tube. 9. Shaving kit. 10. Flashlight. 11. Rum. 12. Clock. 13. Compass. 14. Book. 15. Water Tablets.
43
Q

Reference standard inspectors responsibilities are to

A

Obtain, study, and become familiar with each and every part of the standard and it’s relationship to the project

44
Q

Some metals like zinc aluminum copper and brass for protective _______ ______ when exposed to the atmosphere

A

Protective oxides

45
Q

Corrosion is the _________ of a material usually a_______, because of a________ with its environment

A

Deterioration, metal, reaction

46
Q

Four elements of a correction

A

Anode, cathode, metallic path, electrolyte

47
Q

The anode __________ in the electrolyte.

A

Dissolves

48
Q

The two broad classifications for curing mechanisms are

A

Non-convertible and convertible

49
Q

Four types of adhesion

A

Chemical, mechanical, polar, combo

50
Q

List to nonconvertible coating types

A

Vinyl latex

51
Q

List three convertible coating curing mechanisms

A

Oxidation, co-reaction, hydrolysis, fusion

52
Q

List two characteristics of oxidation cure coatings

A

Cannot withstand an alkaline environment due to the saponification; excessive film build up my stop tearing of the lower portion of the coating film; Unsuitable for merchant service; care bye reaction with atmospheric oxygen

53
Q

List three coding types that cure by polymerization

A

Epoxy, polyurethanes, Polyurea, polysoxanes, polyaspartics

54
Q

Induction time

A

The amount of time after mixing two parts before applying paint to give the time for reaction

55
Q

What is the main requirement for hydration coating to cure

A

Some amount of water to complete the cure

56
Q

Industrial and marine coatings are commonly referred to as

A

Aromatic polyurethanes

57
Q

Oil based coating applied over alkaline surfaces may result in

A

Saponification

58
Q

Five formal sections usually contained in a good specification

A

Scope of the work, terms and definitions, reference standards,safety, surface preparation, coding materials including the coding schedule, sample coatings, workmanship, application, work schedule, repairs and remedial coding work, inspection, documentation

59
Q

What are two of the inspectors responsibilities as they relate to the specification

A

To enforce the spirit suffocation, determine what standards and codes apply, safety, and sure the areas to be repaired or clearly identified workmanship application, Work. schedule

60
Q

Components of a coating added in small amounts to perform a specific function

A

Additives

61
Q

Process in which the similar molecules cling together due to attractive forces

A

Adhesion

62
Q

A coating that has a high resistance to permeation of liquids and or gases or is applied over previously coated surface to prevent damage to the underlying coding during subsequent handling

A

Barrier coatings

63
Q

Nonvolatile portion of the vehicle of a formulated coating material

A

Binder

64
Q

A pig with the passivate the metal surface by forming and then tightly adherent film or by reinforcing and plugging the effects of the natural air formed film

A

Inhibitive pigment

65
Q

Coatings who’s binders are made from nonliving things, most commonly based on either silicone or

A

Inorganic coatings

66
Q

Coatings who’s binders are made from living or once living things

A

Organic coatings

67
Q

Find solid particles added during the manufacture of a coating which are substantially in soluble in the vehicle

A

Pigment

68
Q

Why is pigment added

A

To impart color, corrosion control or decorative properties

69
Q

Coding that uses a metal that is not to steal encroach preferentially

A

Sacrificial coating

70
Q

Added to coatings to liquefy the binderand allow for application in a productive manner

A

Solvents

71
Q

Type of resin polymerized from acrylic acid, methacrylic acid, esters of these acids or acrylonitrile

A

Acrylic

72
Q

Coating Specification tells the contractor ….

A

What to do and where to do it but does not tell how to do it.

73
Q

Absolute wording - Contractor

A

Shall/Shall not

74
Q

Not absolute - Owner

A

Should/Should not

75
Q

Strong Recommendation - either

A

Should

76
Q

Optional Wording - either

A

May

77
Q

Inspector Responsibility - Coating materials

A

Only specified materials are used, Ensure proper storage conditions, observe pot life and induction/sweat-in times, Know volume of solids, wet and dry-film thickness and allowable tolerances, dry and recoat times, proper cure time.

78
Q

Elements of a typical Specification

A

Workmanship, Application, Work Schedule, Repairs and Remedial work, Inspection and documentation (who it will be sent to)

79
Q

Inspectors Responsibility - Job Site

A

Walk-through to become familiar with the surroundings; each item to be coated or left un-coated; Obtain maps or drawings that would be helpful

80
Q

Inspectors Responsibility - Standards and Codes

A

To determine all federal, state and local codes that apply to the job; obtain, study and become familiar with each and every part of the standard and its relationship to the project.

81
Q

Inspectors Responsibility - Safety

A

OWN SAFETY FIRST; Safety enforcement is NOT my job; Be knowledgeable enough to recognize safety violations, Report all safety violations immediately to the proper personnel, be informed of any hazardous substances associated with the work they perform

82
Q

Inspectors Responsibility - Pre-job Conference

A

Study the specification before the meeting, Crystal clear understanding of specification, modifications or waivers and AUTHORITY on the job.

83
Q

Inspectors Responsibility - Surface Preparation - Standards

A

Standards: Ensure specified cleanliness standard is used, ensure surface is prepared as specified, verify on the specified materials are used.

84
Q

Inspectors Responsibility - Surface Preparation - Anchor Profile

A

Know exactly what anchor pattern tolerances are allowed.

85
Q

Inspectors Responsibility - Sampling of Coatings

A

Select samples at random, ensure coatings are thoroughly mixed, proper sample amount, label the sample container as specified (preprinted or know who to send them to directly)…. dry or wet (clarify at pre-job meeting)

86
Q

Inspectors Responsibility - Workmanship

A

Have the latest copy of manufacturers instructions, clarify performance expectations at pre-job meeting, and report unacceptable work.

87
Q

Inspectors Responsibility - Application

A

Spec with state who gets the reports; Ensure coating is done as specified, know exactly what thickness tolerances are allowed, Report non-compliance to owner.

88
Q

Inspectors Responsibility - Work Schedule

A

Understand the work schedule (which item first, etc); Ensure job is done in the manne outlined by the contractor and approved by the owner; inspect at the specified intervals; Prepare and submit the reports as specified. GOOD VISUAL INSPECTION

89
Q

Inspectors Responsibility - Repair work

A

Ensure areas to be repair are clearly marked and the coating surface properly prepared (clarify what will be used to mark repairs) Monitor the number of repair coats applied, observe re-coat times and check the WFT and DFT as specified; Document the work

90
Q

Inspectors Responsibility - Inspection

A

Perform QC tasks and document, Verify that work complies with Spec, report all non-compliant work and deviations.

NACE CIP 1 (3 decks)

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