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

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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?

3,200 drywall screws total 6,400 drywall screws total 2,100 drywall screws total 4,800 drywall screws total

Correct Answer:

4,800 drywall screws total

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