Civil Engineering MCQs

Page No. 249

Which of the following is a measure of particle size range ?


aeffective size


buniformity coefficient


ccoefficient of curvature


d none of the above



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


aless than 0.0002 mm


b greater than 0.2 mm


cbetween 0.2 mm and 0.0002 mm


dall of the above



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


a18.6 kN/m3


b20.0 kN/m3


c22.0 kN/m3


d 23.2 kN/m3


View Answer 20.0 kN/m3

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


aoven drying method


bsand bath method


calcohol method


d calcium carbide method



In hydrometer analysis for a soil mass______________?


aboth meniscus correction and dispersing agent correction are additive


b both meniscus correction and dispersing agent correction are subtractive


cmeniscus correction is additive and dispersing agent correction is subtractive


dmeniscus correction is subtractive and dispersing agent correction is additive



A pycnometer is used to determine_______________?


awater content and voids ratio


bspecific gravity and dry density


cwater content and specific gravity


d voids ratio and dry density



If the sand in-situ is in its densest state, then the relative density of sand is_____________?


azero


b1


cbetween 0 and 1


dgreater than 1


View Answer 1

If the degree of saturation of a partially saturated soil is 60%, then air content of the soil is______________?


a40%


b 60%


c80%


d100%


View Answer 40%

The ratio of volume of voids to the total volume of soil mass is called______________?


aair content


bporosity


c percentage air voids


d voids ratio


View Answer porosity

Which of the following methods is most accurate for the determination of the water content of soil ?


aoven drying method


bsand bath method


ccalcium carbide method


dpycnometer method


View Answer oven drying method

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