Questions and Complete Solutions
Graded A+
ISO 8502-3 / ASTM E1216 - Answer: Duct Tape Test
ISO 8502-6 / SSPC Guide 15, Method A1 - Answer: Bresle Patch ( Quantitative ) :
- Add 3ml of deionized water
- Withdraw and inject water a minimum of 4 times
ASTM D7393 - Answer: Vial Test
ISO 8504-3 - Answer: Solvent Cleaning
- Removal of both visible & non-visible contaminants.
- Should be followed by a rinse with potable ( tap ) water.
NACE SP0892 - Answer: Linings over concrete for immersion service ( Holiday Testing )
ASTM D4285 - Answer: Blotter Test
- 1 minute minimum : 24" from paper.
ISO 8501-1 Sa 2 - Answer: Thorough Blast Cleaning
, - Free of all Visible oil, grease, dirt.
- Free of MOST mill scale, rust, coating.
Abrasives are generally located where on the pH scale? - Answer: Abrasives are generally neutral, 6-8
pH.
True or False : pH testing of abrasives will tell whether the material is acidic or alkaline - but will not
detect the presence of chlorides : - Answer: True
True or False : The most accurate of the pH testing methods is a handheld pH meter. - Answer: True
ISO 11127-7 Part 7 - Answer: Determination of water-soluble chlorides
SSPC-AB 1 - Answer: Mineral and Slag Abrasives
SSPC-AB 2 - Answer: Cleanliness of Recycled Ferrous Metallic Abrasives
SSPC-AB 3 - Answer: Ferrous Metallic Abrasives
SSPC-AB 4 - Answer: Recyclable Encapsulated Abrasives
SSPC-SP 1 - Answer: Solvent Cleaning
- Removal of visible contaminants
Define Saponification - Answer: A reaction between oil and an alkaline
Latex Emulsions Dry by __________. - Answer: Non-Convertible : Coalescence