CSLB Ceramic and Mosaic Tile (C-54): Online Practice Exam

What this exam covers

Practice questions for the California CSLB Ceramic & Mosaic Tile (C-54) license exam, delivered online and graded instantly. Per the state's classification, a C-54 contractor selects, cuts, and installs ceramic, mosaic, quarry, and porcelain tile on floors, walls, countertops, and other surfaces. Works on any device, including iPad. See the official CSLB C54 classification.

Updated July 2026 · 2022 CA Codes · 670 Questions · Topic Practice

• Content Last Updated: July 24, 2026
• Code Basis: 2022 California Codes
• Question Count: 670 practice questions
• Organized By: CSLB study-guide topic categories
• Includes: This practice exam has been updated using Peerless’s vetted usable question set. Questions are organized by CSLB study-guide topic categories and include answer explanations to support full-exam review and focused topic practice. Each topic has a mini-exam to help you develop mastery.

Sample questions — Try our free practice test

1. Applying tile directly to wood by means of a thin-set portland cement mortar with no base material between is not recommended, because:
   A. mortar dries out too fast · ✓ B. wood tends to move and the tile may shear off · C. mortar will not adhere to wood · D. wood absorbs all the mortar
2. Backing should be prepared in what manner, if mortar is applied over studs?
   A. Use vapor barrier with 1 inch overlap · B. Use metal lath with 1 inch overlap · ✓ C. If the studs are more than 6 inches on center, tie wire should be installed · D. All of the above
3. Because of a special treatment of the glaze and bisque, faience tiles have a:
   A. machined finish · B. thick base · ✓ C. handmade appearance · D. slick surface
4. Ceramic tile is commonly bonded to glass fiber reinforced board with:
   A. cement mortar · ✓ B. latex portland cement mortar · C. epoxy resin · D. organic adhesive
5. Ceramic veneer may be cut with a:
   A. band saw · B. hacksaw · ✓ C. pitching tool · D. glass cutter