1.7 Poorly graded soil has grains of (a Different size (c) Distributed over a wi
ID: 1839236 • Letter: 1
Question
1.7 Poorly graded soil has grains of (a Different size (c) Distributed over a wide range ) Same size ) None of the above 1.8 Soil consists of (a) Two phases (c) Four phases (d) five phases 1.9 Factors that affect soil structure (a) Shape (c) Both a and b (d) None of the above 1.10 American Association of State Highway and Transportation Officials and Unified Soil Classification systems take into account the (a) Particle size distribution (c)Both a and b (b) Atterberg limits (d) None of the above Question 2: Fill in the gaps with appropriate word or phrase Points: 10.1=10) 2.1 Hydrometer analysis is done for the particle size smaller than 22liinoi i which has a combination of two or more uniformly graded fractions. content, in percent, at which the transition from solid to semisolid takes place. content at the point of transition from semisolid to plastic state.Explanation / Answer
1.7)poorly graded means (uniformly graded) Therefore same size, so option (B) is correct
1.8)soil is a three phase system air, water, and solids, option(b)
1.9)soil structure depend on the mineral compositions, option (b)
1.10)uscs system takes account online the particle size distributions, so option (a)
2.1)size less than 0.075
2.2)uniformly graded fractions forms a "poorly graded " soils
2.3)shrinkage limit acts as a barrier for solid and semisolid state
2.4)plastic limit acts as a barrier for plastic and semisolid state
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