Surface PreparationCâu 25 / 100
What is the correct order of the basic surface-prep steps for a typical repaint?
a.Prime, clean, scrape, sand
b.Clean, scrape/remove loose paint, sand/patch, then prime
c.Sand, prime, clean, scrape
d.Prime, sand, clean, scrape
Giải thích
A logical prep sequence is to clean the surface, remove loose and failing paint, sand and patch defects, and then prime bare areas. Cleaning first prevents grinding contaminants into the surface, and priming last seals the prepared substrate. Following this order produces a sound base for the finish coats.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- Why should exterior wood be checked for moisture content before painting?
- What is 'feathering' when preparing a spot repair on a painted surface?
- When dry-cutting or grinding concrete during prep generates dust, what airborne hazard is of concern under Cal/OSHA?
- Before applying an elastomeric coating to a stucco crack, what prep step is typically needed?
- Why is it important that a masonry surface be fully cured before painting with most coatings?
- A previously painted surface shows widespread peeling down to bare wood. What does this MOST likely indicate?
Cập nhật gần nhất: · quy trình kiểm tra
Đội Ngũ Biên Tập PrepPass · Đối chiếu với California CSLB C-33 Painting & Decorating Trade Exam · Quy trình kiểm tra