C-54 EXAM AND PRACTICE EXAM NEWEST 2025 ACTUAL EXAM
COMPLETE 270 QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A+
Nonvitreous Tile - (ANSWER)Absorbs more than 7% water. Not for wet areas or exterior use.
Semi-Vitreous Tile - (ANSWER)Absorbs 3% to 7% water. Can be used in some interior wet areas if there
is waterproofing.
Vitreous Tile - (ANSWER)Absorbs .5% to 3% water and is used both inside and outside.
Impervious Tile - (ANSWER)Absorbs less .5% water and is used for sanitary installations.
Lath - (ANSWER)Must not weight less than 2.5 pounds per square yard and metal lath must be lapped at
least 2" on all sides.
Type V Morter Mix - (ANSWER)Used for high sulfate resistants.
Lime - (ANSWER)Increases bond strength and over the years will heal fine cracks such as those caused
by shrinkage.
Plasticiser - (ANSWER)A cementing agent that increases water retention and plasticity of mortar.
, C-54 EXAM AND PRACTICE EXAM NEWEST 2025 ACTUAL EXAM
COMPLETE 270 QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A+
Mix Ratio for Wall/Ceilings - (ANSWER)1:5:1/2 to 1:7:1
Mix Ratio for Floors - (ANSWER)1:5
Mix Ratio for Showers - (ANSWER)1:4*
Mix Ratio for Roman Tub - (ANSWER)1:4*
Mix Ratio for Countertops - (ANSWER)1:5
Mix Ratio for backsplashes - (ANSWER)1:6:1
Dry Set Mortar Minimum Thickness - (ANSWER)3/32"
How long should latex mortar be allowed to cure for - (ANSWER)14 days
before getting wet. Latex mortar is used in wet areas.
COMPLETE 270 QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A+
Nonvitreous Tile - (ANSWER)Absorbs more than 7% water. Not for wet areas or exterior use.
Semi-Vitreous Tile - (ANSWER)Absorbs 3% to 7% water. Can be used in some interior wet areas if there
is waterproofing.
Vitreous Tile - (ANSWER)Absorbs .5% to 3% water and is used both inside and outside.
Impervious Tile - (ANSWER)Absorbs less .5% water and is used for sanitary installations.
Lath - (ANSWER)Must not weight less than 2.5 pounds per square yard and metal lath must be lapped at
least 2" on all sides.
Type V Morter Mix - (ANSWER)Used for high sulfate resistants.
Lime - (ANSWER)Increases bond strength and over the years will heal fine cracks such as those caused
by shrinkage.
Plasticiser - (ANSWER)A cementing agent that increases water retention and plasticity of mortar.
, C-54 EXAM AND PRACTICE EXAM NEWEST 2025 ACTUAL EXAM
COMPLETE 270 QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A+
Mix Ratio for Wall/Ceilings - (ANSWER)1:5:1/2 to 1:7:1
Mix Ratio for Floors - (ANSWER)1:5
Mix Ratio for Showers - (ANSWER)1:4*
Mix Ratio for Roman Tub - (ANSWER)1:4*
Mix Ratio for Countertops - (ANSWER)1:5
Mix Ratio for backsplashes - (ANSWER)1:6:1
Dry Set Mortar Minimum Thickness - (ANSWER)3/32"
How long should latex mortar be allowed to cure for - (ANSWER)14 days
before getting wet. Latex mortar is used in wet areas.
