Q43
Saponification is a defect on the painted surface and it is identified by the appearance of:
A.
Wrinkles
B.
Dull patches
C.
Bubbles
D.
Soapy patches
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Soapy patches appear on the painted surface due to chemical reaction of alkalis. This defect is called Saponification.