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WorksheetsCIP 1 CH.9
Total questions: 8
Worksheet time: 5mins
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
