Technician A says that a sealer is commonly used over LKQ parts to provide a uniform or neutral color for the topcoating. Technician B says that sealers cannot prevent coating failure over severely damaged substrate. Who is correct?
A) A only
B) B only
C) Both A and B
D) Neither A and B

Question

Quizplus · Accepted Answer

Technician A is correct because sealers are indeed used over LKQ (Like Kind and Quality) parts to ensure a uniform color before the final topcoat is applied, which is crucial for achieving a professional and consistent finish. Technician B is also correct because while sealers can improve adhesion and the appearance of the final coat, they cannot fix or prevent failure if the underlying substrate is severely damaged. Proper preparation of the substrate is essential for a lasting finish.

Technician a Says That a Sealer Is Commonly Used Over