C54 EXAM WITH CORRECT QUESTIONS AND ANSWERS 2025

C54 EXAM WITH CORRECT QUESTIONS
AND ANSWERS 2025

Absorbs more than 7% water. Not for wet areas or exterior use. - CORRECT-


ANSWERS******Nonvitreous Tile




Absorbs 3% to 7% water. Can be used in some interior wet areas if there is waterproofing. -


CORRECT-ANSWERS******Semi-Vitreous Tile




Absorbs .5% to 3% water and is used both inside and outside. - CORRECT-


ANSWERS******Vitreous Tile




Absorbs less .5% water and is used for sanitary installations. - CORRECT-


ANSWERS******Impervious Tile




Must not weight less than 2.5 pounds per square yard and metal lath must be lapped at least 2"


on all sides. - CORRECT-ANSWERS******Lath

, Used for high sulfate resistants. - CORRECT-ANSWERS******Type V Morter Mix




Increases bond strength and over the years will heal fine cracks such as those caused by


shrinkage. - CORRECT-ANSWERS******Lime




A cementing agent that increases water retention and plasticity of mortar. - CORRECT-


ANSWERS******Plasticiser




1:5:1/2 to 1:7:1 - CORRECT-ANSWERS******Mix Ratio for Wall/Ceilings




1:5 - CORRECT-ANSWERS******Mix Ratio for Floors




1:4* - CORRECT-ANSWERS******Mix Ratio for Showers




1:4* - CORRECT-ANSWERS******Mix Ratio for Roman Tub




1:5 - CORRECT-ANSWERS******Mix Ratio for Countertops