Geotechnical Engineering (3130606) MCQs

MCQs of Compaction & Consolidation of Soil

Showing 21 to 30 out of 53 Questions
21.

The delay caused in consolidation by the slow drainage of water out of a saturated soil mass is called as

(a)

 hydrodynamic lag

(b)

hydrodynamic pressure

(c)

hydrostatic pressure

(d)

pore pressure

Answer:

Option (a)

22.

The reduction in volume of soil which is due to squeezing out of water from the voids is __________

(a)

effective pressure

(b)

load increment

(c)

primary consolidation

(d)

secondary consolidation

Answer:

Option (c)

23.

After the hydrostatic pressure is reduced to zero, some compression of soil takes place by the process of

(a)

effective pressure

(b)

 load increment

(c)

primary consolidation

(d)

secondary consolidation

Answer:

Option (d)

24.

Secondary consolidation is also known as __________

(a)

effective pressure

(b)

load increment

(c)

compaction

(d)

secondary time effect

Answer:

Option (d)

25.

 If a soil is confined in a consolidometer, then at equilibrium stage, the applied pressure is equal to ____________

(a)

 zero

(b)

 effective pressure

(c)

total pressure

(d)

pore pressure

Answer:

Option (b)

26.

The virgin compression curve is the curve between _______________

(a)

voids ratio and effective pressure

(b)

 effective pressure and total pressure

(c)

effective pressure and pore pressure

(d)

total pressure and total pressure

Answer:

Option (a)

27.

 In a semi-logarithmic plot, the virgin compression curve becomes

(a)

straight line

(b)

parabolic curve

(c)

hyperbolic curve

(d)

elliptical curve

Answer:

Option (a)

28.

The expansion index is also known as ___________

(a)

compressibility index

(b)

 compression index

(c)

swelling index

(d)

consolidation index

Answer:

Option (c)

29.

The equation given by Skempton for compression index for a remoulded sample is ___________

(a)

Cc=0.009(wL-10%)

(b)

 Cc=0.007(wL-10%)

(c)

Cc=0.007(wL-20%)

(d)

Cc=0.007(wL-30%)

Answer:

Option (b)

30.

For an ordinary clay of medium to low sensitivity, the value of Cc corresponding to the field consolidation line is roughly equal to __________ the compression index of the remolded sample.

(a)

1.3

(b)

2.3

(c)

3.3

(d)

4.3

Answer:

Option (a)

Showing 21 to 30 out of 53 Questions