Question 1
What is the standard nominal thickness of gypsum board most commonly used for single-layer wall applications in residential construction?
Correct Answer:
1/2 inch
Question 2
Which type of gypsum board is required for most one-hour fire-rated wall assemblies?
Correct Answer:
Type X 5/8 inch
Question 3
What is the primary difference between Type X and Type C gypsum board?
Correct Answer:
Type C contains additional glass fibers and vermiculite for improved high-temperature shrinkage resistance
Question 4
Which gypsum board product is commonly called 'greenboard' and was historically used as a tile backer in wet areas?
Correct Answer:
Moisture-resistant (water-resistant) gypsum backing board per ASTM C1396
Question 5
What ASTM standard covers the application and finishing of gypsum board?
Correct Answer:
ASTM C840
Question 1
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About this Exam

Prepare with the NCCER Drywall Practice Questions - NCCER Drywall Mechanic Exam practice quiz. This question bank includes 100 questions covering board, gypsum, joint, drywall, and compound. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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NCCER Drywall Practice Questions - NCCER Drywall Mechanic Exam

This practice set contains 100 questions from the matching question bank and focuses on board, gypsum, joint, drywall, and compound. 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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