Q. During excess penetrant removal, a water spray pre-rinse might be used with: (Solved)
1. A lipophilic emulsifier
2. A hydrophilic emulsifier
3. A hydrophobic emulsifier
4. None of the above
- b. A hydrophilic emulsifier
1. A lipophilic emulsifier
2. A hydrophilic emulsifier
3. A hydrophobic emulsifier
4. None of the above