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C33 California Painting & Decorating Contractor VIP Practice Exam

C33 — The C33 license is issued by the California Contractors State License Board (CSLB) and authorizes painting and decorating work in California; the CSLB administers a trade knowledge examination (approximately 80–100 questions, 70% passing score) covering surface preparation, coatings, application methods, safety regulations, and business/law requirements.

58
Questions
120m
Time Limit
70.00%
To Pass
Question 1 of 58👑 VIP

You are hired to repaint the exterior wood siding of a 1965 single-family home. Your crew discovers that the existing paint is chalking heavily and that several lower courses of siding have a flaking, layered paint film. Before applying any new coating, what is the MOST critical first step?

Questions 2–58 and full explanations are VIP-exclusive.