Percentages

Question 1

NDE - Limits of RT Film Density of weld as compared to IQI (range)

Answer 1

-15 to +30%

V: T-282.2.a.1

Question 2

Mtls – Max chrome content to be considered Low Alloy steel

Answer 2

9%

571: 2.1.11

Question 3

NDE - UT Corrosion Mapping. Minimum overlap of Transducer

Answer 3

10%

575: A.2

Question 4

Mtls – Minimum chrome content to be considered SS Alloy

Answer 4

10.5%

571: 2.1.17

Question 5

Mtls – Minimum nickel content to be considered Nickel Alloy

Answer 5

> 30%

571: 2.1.16

Question 6

AI – Amount of time inspector must be involved in inspection activities - required to maintain API 653 certification

Answer 6

20%

653: D.4.2.a

Question 7

Reconstruction - % of weld intersections (new welds to old welds) to be RT’d

Answer 7

25%

653: 12.2.1.5

Question 8

Linings – Max relative humidity when installing tank linings

Answer 8

80%

652: 8.3

Question 9

NDE – Typical coverage of floor when performing MFL

Answer 9

80%

575: A.4

Question 10

% to RT when installing a new insert plate with a nozzle into an existing shell plate

Answer 10

100%

653: 12.2.1.8