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MCQs 1: For proper field control, which of the following methods is best suited for quick determination of water content of a soil mass ?

oven drying method sand bath method alcohol method calcium carbide method
Answer Explanation

MCQs 2: A soil has a bulk density of 22 kN/m3 and water content 10 %. The dry density of soil is_______________?

18.6 kN/m3 20.0 kN/m3 22.0 kN/m3 23.2 kN/m3
Answer Explanation

MCQs 3: Stoke’s law is valid only if the size of particle is________________?

less than 0.0002 mm greater than 0.2 mm between 0.2 mm and 0.0002 mm all of the above
Answer Explanation

MCQs 4: Which of the following is a measure of particle size range ?

effective size uniformity coefficient coefficient of curvature none of the above
Answer Explanation

MCQs 5: Uniformity coefficient of a soil is__________________?

always less than 1 always equal to 1 equal to or less than 1 equal to or gi eater than 1
Answer Explanation

MCQs 6: The hydrometer method of sedimentation analysis differs from the pipette analysis mainly in_____________?

the principle of test the method of taking observations the method of preparation of soil suspension all of the above
Answer Explanation

MCQs 7: According to Atterberg, the soil is said to be of medium plasticity if the plasticity index PI is____________?

0 < PI < 7 7 17
Answer Explanation

MCQs 8: If the plasticity index of a soil mass is zero, the soil is______________?

sand silt clay clayey silt
Answer Explanation

MCQs 9: When the plastic limit of a soil is greater than the liquid limit, then the plasticity index is reported as_____________?

negative zero non-plastic (NP) 1
Answer Explanation

MCQs 10: The admixture of coarser particles like sand or silt to clay causes______________?

decrease in liquid limit and increase in plasticity index decrease in liquid limit and no change in plasticity index decrease in both liquid limit and plasticity index increase in both liquid limit and plasticity index
Answer Explanation

MCQs 11: The water content of soil, which represents the boundary between plastic state and liquid state, is known as_________________?

liquid limit plastic limit shrinkage limit plasticity index
Answer Explanation

MCQs 12: At liquid limit, all soils possess________________?

same shear strength of small magnitude same shear strength of large magnitude different shear strengths of small magnitude different shear strengths of large magnitude
Answer Explanation

MCQs 13: Toughness index is defined as the ratio of____________________?

plasticity index to consistency index plasticity index to flow index liquidity index to flow index consistency index to liquidity index
Answer Explanation

MCQs 14: If the natural water content of soil mass lies between its liquid limit and plastic limit, the soil mass is said to be in______________?

liquid state plastic state semi-solid state solid state
Answer Explanation

MCQs 15: Which of the following soils has more plasticity index ?

sand silt clay gravel
Answer Explanation

MCQs 16: If the material of the base of the Casagrande liquid limit device on which the cup containing soil paste drops is softer than the standard hard rubber, then______________?

the liquid limit of soil always increases the liquid limit of soil always decreases the liquid limit of soil may increase the liquid limit of soil may decrease
Answer Explanation

MCQs 17: Inorganic soils with low compressibility are represented by_________________?

MH SL ML CH
Answer Explanation

MCQs 18: Dispersed type of soil structure is an arrangement comprising particles having______________?

face to face or parallel orientation edge to edge orientation edge to face orientation all of the above
Answer Explanation

MCQs 19: Sand particles are made of________________?

rock minerals kaolinite illite montmorillonite
Answer Explanation

MCQs 20: The clay mineral with the largest swelling and shrinkage characteristics is_______________?

kaolinite illite montmorillonite none of the above
Answer Explanation

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