The bearing capacity of a water logged soil, may be improved by

The bearing capacity of a water logged soil can be improved by

A

Compacting the soil

B

Draining the soil

C

Increasing the depth of foundation

D

Grouting

In the plate loading test for determining the bearing capacity of soil, the size of square bearing plate should be

A

less than 300 mm

B

between 300 mm and 750 mm

C

between 750 mm and 1 m

D

greater than 1 m

A land is said to be water-logged if its soil pores within

A

A depth of 40 cm are saturated

B

A depth of 50 cm are saturated

C

Root zone of the crops are saturated

D

All the above

Bearing capacity of soils cannot be improved by

A

Draining sub-soil water

B

Ramming crushed stone in soil

C

Driving sand piles

D

Watering surface of soil

The frictional torque transmitted in a flat pivot bearing, considering uniform wear, is (where μ = Coefficient of friction, W = Load over the bearing and R = Radius of bearing surface)

A

$$\frac{1}{2}$$μWR

B

$$\frac{2}{3}$$μWR

C

$$\frac{3}{4}$$μWR

D

μWR

When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic number should be _________ the bearing modulus.

A

10 times

B

5 times

C

15 times

D

20 times

If p = bearing pressure on projected bearing area, Z = absolute viscosity of lubricant and N = speed of journal, then the bearing characteristic number is given by

A

$$\frac{{{\text{ZN}}}}{{\text{p}}}$$

B

$$\frac{{\text{p}}}{{{\text{ZN}}}}$$

C

$$\frac{{\text{Z}}}{{{\text{pN}}}}$$

D

$$\frac{{\text{N}}}{{{\text{Zp}}}}$$

Canals constructed for draining off water from water logged areas, are known

A

Drains

B

Inundation canals

C

Valley canals

D

Contour canals

The rise of water table below the foundation influences the bearing capacity of soil mainly by reducing

A

cohesion and effective angle of shearing resistance

B

cohesion and effective unit weight of soil

C

effective unit weight of soil and effective angle of shearing resistance

D

effective angle of shearing resistance

A water-logged land is found suitable for cultivation due to

A

Ease of tillage for preparation of the field for optimum condition of germination

B

Absence of aeration of soil from root zone of the plant

C

Regular supply of water to plants from the water table by capillary action

D

None of these

The bearing capacity of a water logged soil, may be improved by

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