NCEES Geotechnical Depth Question #501

[7amo]

Hello all, anyone can tell me how did they came up with the #passing Sand, gravel ect.....for the problem #501 in the Geotechnical new NCEES new sample exam book ? did they use the graph or a formula !!!??

 

[milwaukee-geotech]

Hello all, anyone can tell me how did they came up with the #passing Sand, gravel ect.....for the problem #501 in the Geotechnical new NCEES new sample exam book ? did they use the graph or a formula !!!??

yes you use the graph. Percent Sand is the Percent Passing the No.4 sieve (4.75mm) minus the percent passing the No. 200 (0.075mm), as indicated in the title bar above the graph.