What this book covers The Peerless Ceramic & Mosaic Tile (C-54) Study Guide Book prepares you for the trade portion of the California CSLB contractor license exam. 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. This printed book covers the subjects the state tests. See the official CSLB C54 classification. Book chapters Floor & horizontal surface installation Plans & specifications Safety Mathematics Sample questions What is the part of the wall from which the arch springs?A. Extrados · B. Intrados · C. Pier ✓ · D. Spandrel The vertical distance between the spring points and the highest point of the soffit is called the:A. Rise ✓ · B. Skewback · C. Span · D. Spring line The name of the uppermost or central voussoir in an arch is the:A. Bow · B. Key ✓ · C. Skewback · D. Springer
