ampp Flashcards

(67 cards)

1
Q

Part 1: SSPC-PA 9 (Ultrasonic Gaging & Concrete)

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What does SSPC-PA 9 cover?

A

Measurement of Dry Coating Thickness on Cementitious Substrates (Concrete) and other non-metallic surfaces using ultrasonic gages.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is a ‘homogeneous’ coating according to SSPC-PA 9?

A

A coating of uniform composition throughout that does not contain large, solid particles like sand.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the required frequency of measurements for SSPC-PA 9?

A

5 spot measurements per 100 sq. ft. (9 sq. m).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

How many gage readings make up a single ‘spot measurement’ in SSPC-PA 9?

A

At least 3 gage readings within a 6-inch (15 cm) diameter circle.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the minimum distance between gage readings within a spot?

A

At least 2 inches (5 cm).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Define ‘Verification’ in SSPC-PA 9.

A

An accuracy check performed by the user at the start and end of each shift using known reference standards.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Define ‘Calibration’ in SSPC-PA 9.

A

A process typically performed by the manufacturer or a qualified lab that results in a Certificate of Calibration.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Define ‘Adjustment’ in SSPC-PA 9.

A

Aligning gage thickness readings to a known sample to improve accuracy on a specific surface (sound velocity adjustment).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are the tolerance limits for Level 3 (Default) in SSPC-PA 9?

A

Spot measurements must be at least 75% of the minimum and no more than 125% of the maximum specified thickness.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is Restriction Level 1 in SSPC-PA 9?

A

The most restrictive level; does not allow any deviation from specified minimum and maximum thickness.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is Restriction Level 4 in SSPC-PA 9?

A

The least restrictive level; allows 75% of minimum thickness and has no maximum thickness restriction.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

True or False: According to SSPC-PA 9, individual gage readings can be lower than the specified thickness.

A

True. Individual readings can overrun or underrun as long as the spot measurement (average) is within limits.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the measurement frequency for structures 30–100 m² (323–1,076 sq. ft.)?

A

Three 10 m² areas are arbitrarily selected and measured.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What should be done with couplant after measurement?

A

It should be removed from the coating, especially if another coat is to be applied.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the measurement range for most ultrasonic gages?

A

Approximately 0.3 mils to 300 mils (8 µm to 7.6 mm).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Part 2: Galvanizing & Coating Surveys

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What are the three main steps in the hot-dip galvanizing process?

A

Surface preparation, galvanizing, and post-treatment.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

List four common standards for hot-dip galvanizing.

A

CAN/CSA G 164, ISO 1461, ASTM A 123/A 123M, AS/NZS 4680.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Which ASTM standard covers zinc coating on iron and hardware products (fasteners) that are centrifuged after galvanizing?

A

ASTM A 153/A 153M.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Which ASTM standard covers the repair of damaged and uncoated areas of hot-dip galvanized coatings?

A

ASTM A 780 (Standard for repair).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Which ASTM standard covers the preparation of galvanized surfaces for painting?

A

ASTM D 6386.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What is ‘heavy galvanizing’ also known as?

A

Batch, heavy duty, or after-fabrication galvanizing.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What is ‘light galvanizing’ also known as?

A

Continuous, I.G (in-line galvanizing), or zinc electroplated.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
What is a coating survey?
A process to gather info on the performance of previously coated protective systems on assets (bridges, platforms, etc.).
26
True or False: A coating survey is the same as a corrosion survey.
False. Corrosion surveys go beyond the scope of coatings system performance.
27
List four primary reasons coating surveys are performed.
1. Plan maintenance 2. Prioritize work 3. Budget 4. Legal compliance.
28
List four types of individuals who may be qualified to perform coating surveys.
1. NACE O-CAT/S-CAT 2. NACE Coating Specialist 3. AMPP Level 3 4. Maintenance Engineer.
29
Offshore Corrosion Assessment Training
What does O-CAT stand for?
30
Shipboard Corrosion Assessment Training
What does S-CAT stand for?
31
Get a clear understanding of the scope (objective and goals).
What is the first and most important step in conducting a coating survey?
32
Pass info to the correct people; do not make blanket statements like 'must be replaced'.
According to the notes, what should a surveyor do if they notice severe metal loss?
33
What are three benefits of database software programs used for coating surveys?
1. Prioritize work 2. Rapid data access 3. Calculate condition over time.
34
List the common special metal substrates mentioned.
Copper, Aluminum, Galvanized, Thermal Spray, Stainless, Nickel, Alloys, Brass, etc.
35
List the common non-metal substrates mentioned.
Wood and Polymeric materials (Plastics).
36
List five reasons wood is painted.
Decoration, Protection, Sealing, Stabilization, Preservation.
37
List three reasons special substrates are painted.
Enhanced corrosion resistance, Decoration, Marking or identification (safety/legal).
38
What issue must an inspector address regarding oxide films on special substrates?
The presence of oxide films (not all are tightly adherent).
39
Which special substrates can have tightly adherent oxide films?
Stainless steel, Nickel, Tin, Cadmium.
40
List four surface preparation methods mentioned for special substrates.
Scrubbing, Waterjetting, Power tools, Abrasive blasting.
41
What is one type of primer that may be used on oxide films?
A very wet primer.
42
List four ASTM and SSPC standards mentioned for preparing special substrates.
ASTM D 1730, ASTM D 1731, ASTM D 1732, SSPC-SP 16.
43
List the inspection criteria for special substrates.
1. Understand spec 2. Check PDS 3. Ensure prep/application 4. Inspect coats 5. Keep records.
44
What challenges should you anticipate when inspecting a stainless steel substrate?
A, B, D (Smooth surface, Dirt/oil/grease, Protective oxide).
45
On which substrate would you expect to encounter a tightly adherent oxide film?
D (Anodized aluminum).
46
Which of the following are some of the primary reasons for coating wood?
A, B, C (Decoration, Flame retarding, Sealing).
47
What substrates should be protected from contact with highly alkaline materials?
A, B (Zinc and Aluminum).
48
Outline the steps to perform a simple coating survey.
1. Scope 2. Team 3. Plan 4. Standards 5. Data format 6. Tasks 7. Evaluate 8. Gather 9. Summarize 10. Maint plan 11. Reports 12. Final.
49
Which of the following are the primary reasons for performing coating surveys?
A, B, C, D (Budget, Prioritize, Legal, Maintenance).
50
Part 3: AMPP CIP Level 2 Exam Questions
51
What is the 'Hot Spot' in centrifugal blast cleaning?
The concentrated area of the blast created by the machine.
52
What are two causes of low amperage readings on a centrifugal blast wheel?
An abrasive-starved wheel or a flooded/choked wheel.
53
What is the pressure range for Ultrahigh-Pressure Waterjetting (UHP WJ)?
30,000 psig and above.
54
What is the maximum recommended back thrust for a waterjetting operator?
No more than 1/3 of the operator’s body weight.
55
What is the minimum cure time for concrete before coating?
30 days at temperatures above 21.1°C (70°F).
56
How high can the pH of concrete be?
It can be as high as 13.
57
What does ASTM D 4263 (Plastic Sheet Method) test for?
It is a qualitative test for indicating moisture in concrete.
58
What is the joint standard for the surface preparation of concrete?
NACE No. 6 / SSPC-SP 13.
59
What safety goggles should thermal spray (metalizing) operators wear?
No. 6 green welding goggles.
60
Which thermal spray method provides a film with the least porosity?
High-velocity oxygen (HVOF).
61
List the four stages powder coatings pass through when applied to a heat source.
Flow, Wetting, Gel, and Curing.
62
What is the sequence of prep stages for hot-dip galvanizing?
Caustic Cleaning (oil removal), Pickling (acid scale removal), and Fluxing.
63
What is the purpose of SSPC-SP 16?
Brush-off blast cleaning of non-ferrous metals like galvanized or stainless steel.
64
What indicates a FAIL in a peel test for heat-shrink sleeves?
Adhesive failure to the substrate (Cohesive failure or failure to backing are PASS).
65
What is ASTM D 3363 used for?
The Pencil Hardness Test to determine relative coating film hardness.
66
What happens to contaminated silica gel in a dehumidifier?
It can no longer adsorb moisture effectively.
67
What are the typical conditions and appearance of amine blush?
Occurs in damp/cold conditions and results in a flat, milky finish.