SC Grading Practice Questions - South Carolina Grading Contractor Examination Exam

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SCDOT proof-roll equipment is a fully loaded tandem-axle dump truck with air-filled tires at 70 to 90 psi, operated at 200 to 300 feet per minute, with a minimum of how many passes over each area?

1 pass 5 passes 2 passes 12 passes

Correct Answer:

5 passes

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