SOIL MECHANICS AND FOUNDATION QUIZ

A grillage foundation

All of these

Consists of two sets of perpendicularly placed steel beams

Is provided for heavily loaded isolated columns

Is treated as spread foundation

TRUE ANSWER : ?
YOUR ANSWER : ?

A pycnometer is used to determine

water content and specific gravity

voids ratio and dry density

water content and voids ratio

specific gravity and dry density

TRUE ANSWER : ?
YOUR ANSWER : ?

The coefficient of active earth pressure for a loose sand having an angle of internal friction of 30° is

43833

1

43832

3

TRUE ANSWER : ?
YOUR ANSWER : ?

Terzaghi’s theory of one dimensional consolidation assumes

Water and soil particles are incompressible

Deformation of the soil, is entirely due to change in volume

All listed here

Soil is homogeneous and fully saturated

TRUE ANSWER : ?
YOUR ANSWER : ?

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 may decrease

The liquid limit of soil always decreases

The liquid limit of soil always increases

The liquid limit of soil may increase

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following methods is more suitable for the determination of permeability of clayey soil ?

falling head method

constant head method

None of these

horizontal permeability test

TRUE ANSWER : ?
YOUR ANSWER : ?

If the natural water content of soil mass lies between its liquid limit and plastic limit, the soil mass is said to be in

semi-solid state

liquid state

solid state

plastic state

TRUE ANSWER : ?
YOUR ANSWER : ?

Unconfmed compressive strength test is

consolidated drained test

undrained test

consolidated undrained test

drained test

TRUE ANSWER : ?
YOUR ANSWER : ?

A fully saturated soil is said to be

one phase system

two phase system with soil and air

three phase system

two phase system with soil and water

TRUE ANSWER : ?
YOUR ANSWER : ?

If the plasticity index of a soil mass is zero, the soil is

silt

clayey silt

clay

sand

TRUE ANSWER : ?
YOUR ANSWER : ?

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