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NACE > quizzes > Flashcards

quizzes Flashcards

1
Q

You on a job and observe the coating is being applied in an unacceptable manner. As the inspector you should

A
  • report to the contractor’s supervisor

- report to the owner’s representative

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2
Q

Which standard gives guidelines for how many DFT measurements should be taken in a given area?

A

ISO 19840

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3
Q

A pre-job conference should be held

A

After bids have been submitted and contracts signed

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4
Q

Which of the following are goals of a pre-job conference?

A
  • review and discuss the scope of work
  • discuss lines of communication between parties
  • discuss and clarify inspector’s responsibilities and authority
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5
Q

What is one of the inspector’s roles at a pre-job conference?

A

Clarify reporting requirements

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6
Q

According to ASTM D 4417 Method B - 2014, when taking measurements using a profile gauge, at each location you should make

A

ten (10) readings per location, record the maximum value. Determine mean (average) for all maximum values as the reported profile.

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7
Q

Daily reports or weekly reports should be written in

A

pen

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8
Q

inspection records may be used to

A
  • help in resolving legal or arbitration disputes
  • assist owners in the evaluation of the applicator performance
  • asset owners in the evaluation of the inspector’s performance
  • determine total cost of the project
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9
Q

a typical daily report should include which of the following? select all that apply.

A
  • description of manpower and equipment used by contractor
  • explanation of work stoppages
  • list of environmental conditions
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10
Q

The inspector’s log book is a personal chronicle of what happened on a daily basis and is usually

A

retained by the inspector

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11
Q

generally speaking, on a typical coating project overall safety is the responsibility of

A

a certified safety professional

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12
Q

when applying coatings, generally high relative humidity

A

slows solvent evaporation

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13
Q

which is an advantage of airless spray compared to conventional air spray?

A

faster production rate

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14
Q

You arrive to inspect a bridge repainting project where the containment (enclosure) has already been erected but dehumidification is not being used. What inspection challenges do you expect specific to working inside the containment? (select all that apply)

A
  • illumination

- control of temperature and humidity

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15
Q

improper atomization of the coating may cause which of the following? (select all that apply)

A
  • uneven DFT
  • dry spray
  • overspray
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16
Q

high viscosity due to low temperature should be corrected by

A
  • adding extra thinner

- heating the coating

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17
Q

SSPC Technology Guide No. 12 states coating inspection requires a minimum of which of the following?

A

50 foot candles (538 lumens)

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18
Q

one major advantage of conventional spray is

A

application control

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19
Q

When using a wet film thickness (WFT) comb/gauge, the measurement should be taken

A

immediately after the coating is applied

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20
Q

when reporting the welt film thickness from a wet film thickness comb/gauge (WFT) you report

A

the last tooth that has coating on it

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21
Q

solvent borne inorganic zinc primer is being applied with airless spray to a complex bridge with difficult access for application. The contractor is having difficulty with high DFT resulting in mkudcracking. What application method might be a good alternative?

A

Conventional spray

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22
Q

An advantage of magnetic pull-off DFT (Banana) gauge is that it?

A

Is intrinsically safe

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23
Q

you myst take a measurement with a dial type magnetic pull-off dry film thickness (DFT) gauge . What is the minimum recommendation distance away from am edge that you can reliably take a measurement?

A

2.5 cm (1 inch)

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24
Q

The testing procedure for water soluble ferrous salts is

A

Potassium Ferricyanide Test

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25
Q

A well written specification requires a surface profile depth defined as

A

a range of measurements

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26
Q

You are reviewing the documentation for a tank painting project and notice there is a conflict between the project specification and the manufacturer’s product data sheet on the required DFT of the primer. The owner is not reachable for clarification. What should be done?

A

Follow the specification

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27
Q

You know that you are sensitive to amines, but not polyamides. What document would you review prior to arriving on the job site to know whether amines will be used?

A

Safety Data Sheet (SDS), formerly MSDS

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28
Q

Will

A

The owner is responsible for performing the action

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29
Q

Should

A

The contractor is strongly recommended but not requires to perform this action

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30
Q

May

A

The contractor has open choice on actions

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31
Q

Shall

A

The contractor is requires to perform this action

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32
Q

Adding an incorrect solvent to a coating may cause

A

Non-drying or non-curing

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33
Q

You have been reassigned to a coating project which has been running for over a year. You find chalking on some of the coatings applied early in the project. What coating type would you first suspect?

A

Epoxy

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34
Q

After a cold night, you find that the epoxy amine midcoat applied the day before has blushed. The optimum (best) resolution when amine blush is found is too?

A

consult the coating manufacturer

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35
Q

The formation of small bowl-shaped depressions in the coating film caused by air trapped in the coating is called

A

catering

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36
Q

failure of a plural component coating to cure is frequently caused by

A

wrong mix ratio (metering)

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37
Q

As an inspector on a bridge painting project, prior to abrasive blasting, which blasting safety items would you expect to see? (select all that apply)

A
  • deadman valve
  • connections wired/clipped
  • supplied air hood
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38
Q

one of the most common causes of blisters in a coating film is

A

surface contamination

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39
Q

you have been inspecting a tank repainting project and suspect the surface was not cleaned properly, but the coating has already been applied. What should you do?

A

consult the owner for guidance

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40
Q

you are the inspector on a painting project prior to airless spray application. which of the following airless sprat safety items would you expect to see? (select all the apply)

A
  • tip guard
  • connections wired/clipped
  • gun safety
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41
Q

you have a 10 mil (254 micron) conductive coating on a nonconductive surface and need to check for holidays and discontinuities. how would you perform the inspection?

A

Visually, you cannot use a holiday detector

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42
Q

According to NACE SPO188, the wetted sponge is moved at a maximum rate of

A

1 linear foot per second (30 cm)

43
Q

You are on a coatings project and notice blisters in a variety of sizes and irregular shapes. What standard would you use to evaluate the blisters?

A

ASTM D714

44
Q

When are NACE International surface preparation standards considered binding?

A

when specified in the contract documents

45
Q

you are performing holiday testing early morning with dew on the pipe. the reason you may get erroneous indications is caused by

A

telegraphing

46
Q

which joint NACE/SSPC abrasive blasting standard states that “Random staining shall be limited to no more than 33% of each unit area of surface”?

A

NACE No. 3/SSPC-SP 6 Commercial Blast Cleaning

47
Q

Which blasting standard allows for traces of tightly adherent mill scale, rust and highly adherent thin coatings up to 10%?

A

NACE No. 8 / SSPC-SP 14

48
Q

According to NACE no. 4/SSPC-SP 7, mill scale, rust, and paint are considered tightly adherent if they cannot be removed by

A

lifting with a dull putty knife

49
Q

ISO 8501 st 3 is the standard for

A

Very thorough hand and/or power tool cleaning

50
Q

Which standard requires a “commercial grade” power tool cleanliness?

A

SSPC-SP15

51
Q

Grounding the pump and fluid hose used in airless spray

A

prevents static sparking

52
Q

As the inspector called in to verify a blast, you find steel which has scattered tightly adherent rust remaining on less than 5% of the unit area. Which standard had been achieved?

A

NACE N0. 8/SSPC-SP 14

53
Q

Fisheyes (cissing) often resemble crater-like breaks in the coating film that reveal tiny areas of substrate because of

A

contamination such as grease, oil, or silicone

54
Q

If a steel bridge is corroding in a mild environment, the corrosion process is defined as which of the following?

A

electrochemical

55
Q

based on the galvanic series presented in the NACE CIP level 1 manual, which three materials are commonly used as galvanic anodes for carbon steel?

A

Zinc, aluminum, magnesium

56
Q

A decrease in temperature will generally caused the corrosion rate to

A

Decrease

57
Q

the electrolyte is a medium which carries the following type of current?

A

ionic

58
Q

Corrosion occurring uniformly across a surface is called

A

general corrosion

59
Q

When a conflict occurs on a coating project, as the inspector, the preferred first course of action is to

A

actively listen and endeavor to understand the positions of others

60
Q

a proper coating specification should contain information regarding which of the following? (select all that apply)

A
  • surface preparation standards
  • safety
  • locations to be coated
61
Q

According to the NACE attestation, when is it OK to accept a gift from a contractor?

A

Never acceptable

62
Q

What should you do if you find discrepancies between the specification and the coating manufacturer’s technical data sheet?

A

Seek written clarification from the owner’s representative

63
Q

Which of the following are generally components of inspection reports? (select all that apply)

A
  • Results of inspection tests
  • location(s) of work
  • details of preparation and application
64
Q

inspection reports typically provide sufficient detail permitting the owner to evaluate (select all that apply)

A
  • contractor’s performance
  • inspector’s performance
  • job progress
  • work interruptions
65
Q

As an inspector headed to the job site for the first time, where would you always find instruction regarding appropriate types of Personal Protective Equipment (PPE)?

A

Safety Data Sheet (SDS), previously called MSDS

66
Q

Materials inventory report should contain which of the following (Select all the apply)

A
  • quantity of each component of each material onsite
  • material batch numbers
  • date of materials arrival at job site and storage information
67
Q

The primary function of the coating inspector is

A

specification compliance

68
Q

high humidity in the air during coating application can cause

A

solvent entrapment

69
Q

the temperature at which moisture condenses on a surface is called

A

dew point

70
Q

steel surface temperature reading should be taken

A

at the actual work location

71
Q

which of the following would be appropriate at add to sling psychrometer?

A

Distilled Water

72
Q

Which type of coating is manufactured with specific components added to slow down the activity of the electrochemical cell (anode, cathode or both)?

A

Inhibitive

73
Q

Which coating component forms a stable film that retains its characteristic properties?

A

Binder/Resin

74
Q

A barrier coating interrupts the _____ of the electrochemical cell?

A

Electrolyte

75
Q

Coatings adhere to a substrate by which of the following mechanisms? (Select all that apply)

A
  • polar
  • chemical
  • mechanical
76
Q

You are the inspector on a job site. The air temperature os 84F (28C), your relative humidity is below 85% and your steel temperature is 79F (26 C). Which of the following is the lowest acceptable dew point for coating work to continue?

A

74F (23 C)

77
Q

Which of the following characteristics of solvents influence coatings? (select all that apply)

A
  • solvency power

- volatility

78
Q

The contractors sling psychrometer gives a different reading than your electronic hydrometer. What would you do first as the inspector?

A

verify calibration of both instruments

79
Q

which of the following coatings are co-reacting?

A
  • polyurethane

- epoxy

80
Q

Fusion Bond Epoxy (FBE) is most commonly used to coat

A

Pipe

81
Q

Which of the following coatings may require external moisture to cure? (select all that apply)

A
  • single component polyurethane

- solvent borne inorganic zinc

82
Q

Amine blush is likely to occur with which type of coating?

A

Epoxy

83
Q

Which coating cures the Fastest?

A

Polyurea

84
Q

When an inorganic zinc rich primer is applied too heavily a common result is

A

mud cracking

85
Q

Which of the following commonly used primers for steel structures? (select all that apply)

A
  • epoxy
  • inorganic zinc
  • organic zinc
86
Q

Coatings that cure by polymerization are

A

convertible

87
Q

water-borne latex coatings cure by a process known as

A

coalescence

88
Q

When applied to concrete, alkyd coatings will fail prematurely due to

A

saponification

89
Q

on blast cleaned surfaces, an ultraviolet light can reveal

A

oil

90
Q

you are the inspector on a project with a sprayed polyurethane coating. the most probably safety concern is

A

isocyanates

91
Q

the requirements of a coatings primer are defined by

A

Coatings specification

92
Q

A prefab conference is useful for discussions on which of the following? (select all that apply)

A
  • Safety
  • Cleaning
  • Application
  • Schedule
93
Q

You are the inspector on a project where the specified level of cleanliness is “near white”. Which standard would you follow?

A

NACE No.2/ SSPC-SP 10

94
Q

The power-tool standard for cleaning to bare metal with a minimum profile 1 Mil (25.4 microns) is

A

SSPC-SP 11

95
Q

Which profile comparators are referenced by ISO 8503?

A

Grit and Shot

96
Q

Mill scale is typically removed for which of the following reasons (check all that apply)

A
  • to avoid future delamination
  • to improve coating adhesion
  • to eliminate a source of galvanic corrosion
97
Q

which of the following defines a “commercially” blast cleaned surface?

A

NACE No. 3/ SSPC-SP 6

98
Q

ISO SA 2 1/2 is a blast cleaning standard that is similar to which joint standard?

A

NACE No. 2/ SSPC-SP 10

99
Q

Approximately 75% of premature coating failures are caused by

A

inadequate or improper surface preparation

100
Q

NACE SP0178 comparator addresses which of the following? (select all that apply)

A
  • butt welds
  • lap welds
  • radius edges
  • finishing grades of weld
101
Q

You are on a project where Testex tape is specified to determine surface profile by ASTM D4417 Method C. Which of the following is likely to cause reading errors?

A
  • Dust on the surface

- using an incorrect grade of tape

102
Q

Which power tool cleaning standard describes a surface free of all oil, grease, dirt, rust, coatings, mill scale, oxide, and other foreign matter yet permits random staining while requiring a minimum profile of 25 microns (1 mil)?

A

SSPC-SP 15

103
Q

Which SSPC Vis 1 rust grade defines a surface covered with both mill scale and rust?

A

Grade C

NACE (6 decks)

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