Question

11. The condition of the soil at which the plasticity index is equal to 0. a) Highly plastic Medium plastic Slightly plastic Non-plastic 12. It an Astecksglimits use for scaling the natural water content of soil sample to the limits. It can be the ratio of the difference between the water content and plastic limit and plasticity index a) Group Index b) Activity Index Liquidity Index d) Sensitivity Index 13. Determine the natural moisture content in percent of a soil given the following properties of soil. Plastic Limit - 28.5 Plasticity Index - 30.2 Consistency Index - 0.36 a) 39.37% b) 41.2% c) 37.56% d. none of the above Following the results of the sieve analysis. Sieve Mass Retained 48 40 156 175 185 105 100 97 22 Pan 14. Determine the D10 or the effective size of the soil which corresponds to 10% finer. a) 0.187 6 ) 0.122 0.201 d) none of the above 15. Determine the D30 which corresponds to 30% finer of the soil mass. a) 0.187 b) 0.122 c0.201 d) none of the above 16. Determine D60 a) 0.187 b) 0.122 10.201 d) none of the above 17. Determine the uniformity coefficient Cu; a) 1637 b) 1.429 1.52 d) none of the above 18. Determine the coefficient of gradation Ce:

Answer 1

Ir 1-5 5-10 Plasticity Non-plastic slight Low Medilim High very high 10-20 20-40 >40 - Answer" d) Non plastic 127 a Is 0-20 + 0.005ac + 0.01 bd Activity Index = IP Liquidity index = W-Lup I w-wp sensandy index = (90) undir / qui discurbed

Answert c) Liquidity 1. Index 13) 1 consistency indet We-w e-wp = هل | م ا - ا 302= q - 28.5 Wv.-587% 0:36. 58:7-W 30:2 w=47.83 %

Mary Ki. -- Sommy Cumm lyn Sieve ) size(mm) Mass redonned! ५ | ५.76 | । ।55 1.55 98५४ 3.36 36 ५ (29 | 5.84 94.16 2 ५8 । 5.73 1157 | 89.43 08५। । ।56 1862 30.1969.8 ५० ०.५2 । 75 20.88 60 0.25 ।।86 2 2.1973/26/26.74 | 0.149 05 12.54 | 85.80 ||५.2 2. 0.074 97 59 | 97.37 2.63 22 Tota 938 Too Par 100 २.62

p4g Dio will be between 6-874mm to 0149 min. Dio = 0.149 + (0-674-0-149) -14.2) (2663-1462) = 0.122mm Ansualb)

16) D6. Cwill be between 0.42 to 0.841 m.mm Do (6669812 0.841 (0.42.0:8412 14893 -69.81) 2 - Ancona d) None of these 8 Aso will be between 0.26mon to 0.42mm Daun 0.42 + (0.25 -0.42) (30-48.93) (26:74 -48-93) 190275 mm : - Annue ad none of these Dio E 17) Car Doo .: 0:69,3 - 5.27 0122 (0.275) 0.64340-122 Dio -0.96