Civil Engineering - Soil Mechanics and Foundation Engineering

21. 

Minimum depth of a footing carrying a heavy load, is calculated by the formula

A.
B.
C.
D.

Answer: Option B

Explanation:

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22. 

According to Coulomb's wedge theory, the active earth pressure slides the wedge

A. down and outwards on a slip surface
B. up and inwards on a slip surface
C. horizontal upward and parallel to base
D. horizontal inward and parallel to base.

Answer: Option A

Explanation:

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23. 

The coefficient of curvature is defined

A.
B.
C.
D.

Answer: Option C

Explanation:

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24. 

The effective size of particles of soil is denoted by

A. D10
B. D20
C. D30
D. D60

Answer: Option A

Explanation:

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25. 

Degree of saturation of a natural soil deposit having water content 15%, specific gravity 2.50 and void ratio 0.5, is

A. 50%
B. 60%
C. 75%
D. 80%

Answer: Option C

Explanation:

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