Question 1
Under NAC 624.370, what work does a Nevada C-20 tiling license authorize?
Correct Answer:
Installation of ceramic, encaustic, vitreous, and similar tile by suction and adhesives, but not hollow or structural partitioning tile
Question 2
Which ANSI specification covers general requirements for structures, substrates, and preparation before ceramic tile is installed?
Correct Answer:
ANSI A108.01
Question 3
A concrete slab still has a film of curing compound. What does ANSI A108.01 require before bonded thin-set tile?
Correct Answer:
Remove the curing compound so the surface is clean and free of bond-breaking coatings
Question 4
Why is paper-faced gypsum board the wrong backing for a tiled tub surround?
Correct Answer:
Paper-faced gypsum deteriorates when it stays wet and is not an accepted wet-area tile backing
Question 5
A cementitious backer unit is installed on a shower wall. Why is a waterproof membrane still required by typical TCNA wet-area methods?
Correct Answer:
CBU panels are water-resistant tile backings, not waterproof barriers
Question 1
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Prepare with the NV C-20 Tiling Practice Questions - Nevada C-20 Tiling Contractor Examination Exam practice quiz. This question bank includes 100 questions covering tile, ansi, mortar, a108, and thin-set. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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NV C-20 Tiling Practice Questions - Nevada C-20 Tiling Contractor Examination Exam

This practice set contains 100 questions from the matching question bank and focuses on tile, ansi, mortar, a108, and thin-set. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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