3-49.3-50.3-51.3-52.3-53.3-54.Which of the following field testscan be used to determine thecohesiveness of a soil?1.Ribbon2.Roll3.Breaking4.Each of the aboveThe breaking, ribbon, andwet-shaking tests are performed onmaterial passing the1. No.40 sieve2. No.60 sieve3. No. 100 sieve4. No. 200 sieveYou have performed the dry-strengthtest. The sample cannot bepowdered but will break withdifficulty. What is theclassification of the soil?1. CL2. CH3. ML4. MHWhat tests complement each other ingiving a clearer picture of theplasticity of the soil?1.Wet shaking and roll2.Ribbon and breaking3.Roll and ribbon4.Wet shaking and breakingWhat is the size of the sample usedfor the wet-shaking test?1.A roll of soil 1/2 inch indiameter and 3 inches long2.A pat of soil 1/2 inch thickand 1 1/2 inches in diameter3.A ball of soil 3/4 inch indiameter4.A ball of soil 1 3/4 inches indiameterA mall amount of clay present inyour sample will affect yourshaking test in what manner?1.Causes no reaction2.Causes a sudden reaction3.Retards the reaction4.Assists in identifying thesands and silts3-55.3-56.3-57.3-58.3-59.The odor test is effective inidentifying what type of soils?1.Organic2.Cohesive3.Clayey4.OilyWhat field test can readilyidentify soil as containing sand,silts, or clay?1.Acid2.Feel3.Bite4.ShineTo prevent a false test result whenperforming the acid test, youshould prepare your sample in whatmanner?1.By heating2.By wet-sieve washing3.By adding moisture4.By adding limeA positive result of the shine testindicates the1.lack of clay in the soil2.presence of highly plastic clay3.presence of peat4.lack of plasticity of thesampleTo determine the texture of thesoil, it is recommended you rub thesoil1.on the back of your hand andallow the sample to dry2.on a tender skin area, such asthe wrist3.between dry fingers4.between slightly oiled fingers18
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