ICC SOILS CERTIFICATION TEST 2025| BRAND NEW ACTUAL EXAM WITH 100% VERIFIED QUESTIONS AND CORRECT SOLUTIONS| GUARANTEED VALUE PACK| ACE YOUR GRADES

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ICC SOILS CERTIFICATION TEST 2025| BRAND NEW
ACTUAL EXAM WITH 100% VERIFIED QUESTIONS
AND CORRECT SOLUTIONS| GUARANTEED VALUE
PACK| ACE YOUR GRADES

For gravelly soils or crushed stone how thick of lifts should be placed? -
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correct answer - 10 to 12 inches , compacting to about 8 inches
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What kind of equipment is widely used for clay or granular soils? What doe
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s it work best for? - correct answer -
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vibratory rollers, but work best with granular material
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What is the maximum size of material allowed in fills - correct answer -
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12 inches, anything grater should be removed
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What equipment is best used for clay materials? - correct answer -
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sheepsfoot rollers
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Settlement can range from? - correct answer - a few inches to 10 feet
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What do index property include? And what can the info be used for? -
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correct answer -
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test on undisturbed and disturbed soil samples such as moisture content of
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the soil, grain size info and plasticity.
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This info is useful for description, classification, and indication of various en
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gineering properties U




What are the three primary numbers obtained from the atterburg limits testi
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ng? - correct answer - Liquid limit
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Plastic limit Plasticit
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y index
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What is the liquid limit? - correct answer -
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the water content of the soil at which it changes from plastic state to a liqui
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d state
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What is the plastic limit? - correct answer -
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Uthe point at which the moisture content of the soil is such that is transitions, thr
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ough reduced water content, from a plastic state to a nearly solid state and beg
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ins to behave like a brittle material
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What is plasticity index? - correct answer -
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the difference between the plastic limit moisture content from the liquid limit
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moisture content
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What do expansive clays exhibit? - correct answer -
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higher P.I ( Plasticity index)
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What is the symbol for a high plasticity clay? - correct answer - CH
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What is the symbol of a high plasticity silt? - correct answer - MH
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What is the symbol of a low plasticity clay - correct answer - CL
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What is the symbol of a low plasticity silt? - correct answer - ML
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If a foundation is constructed on wetter soils what magnitude of swelling oc
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curs? - correct answer - low but a large magnitude of shrinkage can occur
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If the foundation is constructed on dry soils what magnitude of swelling occu
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rs? - correct answer - High but a but a fairly small magnitude of shrinking
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A P.I that is greater than 15 is considered as what? - correct answer -
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a material that has expansive potential
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What is the P.I. range of a non plastic material? - correct answer - 0-3
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What is the P.I. range of a slightly plastic material? - correct answer - 4-15
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What is the P.I range of a medium plastic material? - correct answer - 16-
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30
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What is the P.I range of a highly plastic material? - correct answer -
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31 or above
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If material is found on site that wasn't previously discussed prior who shoul
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d you contact? - correct answer - the project engineer immediately
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Prior to placing fill how deep should the existing ground surface be scarified t
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o? - correct answer - typically 6 inches
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