Civil Engineering - Soil Mechanics and Foundation Engineering

6. 

According to IS : 2720 - 1965, the composition of a dispersing solution used in pipette analysis for determining the size of particles, is

A. sodium-hexametaphosphate 33 g, sodium carbonate 7 g and distilled water one litre
B. sodium-hexametaphosphate 7 g, sodium carbonate 33 g and distilled water one litre
C. sodium-hexametaphosphate 23 g, sodium carbonate 17 g and distilled water one litre
D. none of these.

Answer: Option A

Explanation:

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7. 

Cohesive soils are generally

A. plastic and also compressible
B. elastic and also compressible
C. plastic but incompressible
D. none of these.

Answer: Option A

Explanation:

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8. 

If the coefficient of the active pressure Ka is 1/3, the coefficient of passive pressure Kp, is

A. 1/3
B. 2/3
C. 1
D. 3/2
E. 3

Answer: Option E

Explanation:

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9. 

The inventor of the term soil mechanics, was

A. Kray
B. Dr. Karl Terzaghi
C. Leygue
D. Fellenius.

Answer: Option B

Explanation:

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10. 

Compression of soil occurs rapidly if voids are filled with

A. air
B. water
C. partly with air and partly with water
D. none of these.

Answer: Option A

Explanation:

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