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

A. The principle of test
B. The method of taking observations
C. The method of preparation of soil suspension
D. All of the above

Uniformity coefficient of a soil is__________________?

A. Always less than 1
B. Always equal to 1
C. Equal to or less than 1
D. Equal to or gi eater than 1

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

A. Effective size
B. Uniformity coefficient
C. Coefficient of curvature
D. None of the above

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

A. Less than 0.0002 mm
B. Greater than 0.2 mm
C. Between 0.2 mm and 0.0002 mm
D. All of the above

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

A. 18.6 kn/m3
B. 20.0 kn/m3
C. 22.0 kn/m3
D. 23.2 kn/m3

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

A. Oven drying method
B. Sand bath method
C. Alcohol method
D. Calcium carbide method

In hydrometer analysis for a soil mass______________?

A. Both meniscus correction and dispersing agent correction are additive
B. Both meniscus correction and dispersing agent correction are subtractive
C. Meniscus correction is additive and dispersing agent correction is subtractive
D. Meniscus correction is subtractive and dispersing agent correction is additive

A pycnometer is used to determine_______________?

A. Water content and voids ratio
B. Specific gravity and dry density
C. Water 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_____________?

A. Zero
B. 1
C. Between 0 and 1
D. Greater than 1

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

A. 40%
B. 60%
C. 80%
D. 100%