Building Constructiuon Technology (3130607) MCQs

MCQs of Foundation

Showing 11 to 20 out of 36 Questions
11.

 solid core of rock is formed in side the cylinder in the case of

(a)

diamond drilling

(b)

percussion drilling

(c)

wash boring.

(d)

auger boring

Answer:

Option (a)

12.

The Auger borings are not common

(a)

in soft soils

(b)

in soils that require lateral support

(c)

in cohesive soils

(d)

none of the above

Answer:

Option (b)

13.

Pick up the commonly adopted geophysical method in civil engineering from the following 

(a)

electrical resistivity method

(b)

the seisomic method

(c)

both (a) and (b) of the above

(d)

magnetic method

Answer:

Option (c)

14.

The loose pockets in soil mass can be bridged safely by providing a raft foundation provided the soft area is smaller than

(a)

one-third the column spacing

(b)

three-fourth the column spacing

(c)

half the column spacing

(d)

the column spacing

Answer:

Option (a)

15.

For heavy embankments and dams, of height h, the depth of exploration of soil should not be less than

(a)

h/4

(b)

1/2 h

(c)

h

(d)

2h

Answer:

Option (d)

16.

Rotary drilling

(a)

hinders the ground water observations and permeability test

(b)

is not economical for holes of less than 10 cm

(c)

is not suitable for deposits containing very coarse gravel

(d)

all the above.

Answer:

Option (d)

17.

In grillage foundations a minimum 15 cm cover is provided on

(a)

lower beam of lower tier

(b)

ends of external beams

(c)

upper flange of top tier

(d)

none to these

Answer:

Option (a)

18.

The maximum bearing capacity of soil is that of

(a)

loose fine sandy soil

(b)

dry coarse sandy soil

(c)

hard rocks

(d)

black cotton soil

Answer:

Option (c)

19.

Raft foundations are used for :

(a)

counter acting the hydrostatic effect

(b)

providing increased area of foundation over poor bearing capacity of soil

(c)

spanning over small soft or loose pockets

(d)

all the above

Answer:

Option (d)

20.

To support a heavy structure in sandy soil, the type of foundation generally used, is

(a)

combined footing

(b)

raft footing

(c)

Pier footing

(d)

strap footing

Answer:

Option (c)

Showing 11 to 20 out of 36 Questions