Question 1
A contractor is estimating drywall for a commercial office room measuring 30 ft by 40 ft with a 10 ft ceiling height. Assuming 4 ft by 12 ft sheets and adding a 10% waste factor, how many drywall sheets are required for the walls and flat ceiling combined?
Correct Answer:
60 sheets of 4' x 12' drywall
Question 2
For a commercial drywall project covering 8,000 sq ft of wallboard, how many 5-gallon buckets of ready-mix joint compound should be estimated for a standard Level 4 finish?
Correct Answer:
16 five-gallon buckets of compound
Question 3
An estimator is calculating paper joint tape requirements for a 12,000 sq ft drywall installation. How many standard 500-foot rolls of tape are required for this scope?
Correct Answer:
09 rolls of 500-foot paper tape
Question 4
How many 1-1/4 inch drywall screws are required to fasten 150 sheets of 4 ft by 8 ft gypsum board to wall studs spaced 16 inches on center?
Correct Answer:
4,800 drywall screws total
Question 5
A C-9 contractor is framing a straight 160-foot non-load-bearing partition wall with metal studs placed 16 inches on center. How many steel studs are needed, excluding corners and openings?
Correct Answer:
121 steel studs required
Question 1
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Prepare with the CSLB C-9 Drywall Exam Practice Questions - California CSLB C-9 Drywall Contractor Examination Exam practice quiz. This question bank includes 100 questions covering drywall, gypsum, wall, inch, and framing. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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CSLB C-9 Drywall Exam Practice Questions - California CSLB C-9 Drywall Contractor Examination Exam

This practice set contains 100 questions from the matching question bank and focuses on drywall, gypsum, wall, inch, and framing. 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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