C-21 Building Moving & Demolition Practice Questions - California CSLB C-21 Building Moving And Demolition Examination Exam

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A demolition contractor needs to estimate the weight of a 30-foot by 40-foot by 6-inch solid reinforced concrete slab (150 lbs/cu ft). What is the total structural weight of the slab in short tons?

45.0 short tons 60.0 short tons 75.0 short tons 90.0 short tons

Correct Answer:

45.0 short tons

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