CIP 1 CH.9

Which of the following surface preparation methods will not create a surface (anchor) profile?

• Hand tool cleaning

• Dry abrasive blasting

• Water jetting

• Wet abrasive blasting

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

• To avoid future delamination

• To improve coating adhesion

• To ensure all soluble salts are removed

• To eliminate a source of galvanic corrosion

Which standard requires the highest level of cleanliness?

• NACE No. 1/SSPC-SP 5

• NACE No.2/SSPC-SP 10

• NACE No.3/SSPC-SP 6

• NACE No.4/SSPC-SP 7

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

• NACE No.1/SSPC-SP 5

• NACE No.2/SSPC-SP 10

• NACE No.3/SSPC-SP 6

• NACE No.4/SSPC-SP 7

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

• ISO St 2

• NACE No.2/SSPC-SP 10

• ISO SA 2 1/2

• NACE No.3/SSPC-SP 6

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

• ISO Sa3

• NACE No.2/SSPC-SP 10

• ISO Sa2

• NACE No.8/SSPC-SP 14

Which of the following ambient conditions may increase the potential for “rust back” of blasted surfaces? (select all that apply)

• Dew point of 5F (3C) below the surface temperature

• High relative humidity greater than or equal to 85%

• High air and surface temperatures

• Allowing the steel to remain un coated for greater than 24 hours

Which SSPC-VIS 1 rust grade defines a surface covered in mill scale and rust but does not exhibit any pitting?

• Grade A

• Grade B

• Grade C

• Grade D