Question

4. Stairs are considered hazardous when A. the width of the treads does not strictly comply with codes. B. risers are less than 73/4 inches high. C. they're covered with carpeting. D. the height of the risers varies by more than 3/8 inch.

Answer 1

I think it is B. I studied this last year but I am not sure if that is the right answer. But, you can give it a shot.