Geotechnical Engineering (3130606) MCQs

MCQs of Earth Pressure & Stability of Slopes

Showing 21 to 30 out of 61 Questions
21.

The pressure distribution diagram for earth pressure at rest is _______

(a)

circular

(b)

 triangular

(c)

rectangular

(d)

square

Answer:

Option (b)

22.

The total earth pressure P0 at rest per unit length for vertical height H is _______

(a)

P0=12K0γH2

(b)

P0=γH2

(c)

P0=K0 γH2

(d)

P0=12K0H2

Answer:

Option (a)

23.

The coefficient of earth pressure at rest is represented as _________ expression given by Jaky.

(a)

K0=1-sinφ

(b)

K0=sinφ

(c)

K0=1-cosφ

(d)

K0=cosφ

Answer:

Option (a)

24.

For cohesion-less soil, the angle of internal friction is 45°, find the K0.

(a)

0.429

(b)

 0.784

(c)

 0.293

(d)

0.334

Answer:

Option (c)

25.

 A backfill of a retaining wall consists of γ=19 kN/m3 which is 6 m high. Find the total earth pressure per meter length. Given coefficient of earth pressure at rest is 0.5.

(a)

 165 kN/m

(b)

178 kN/m

(c)

171 kN/m

(d)

345 kN/m

Answer:

Option (c)

26.

A backfill of a retaining wall consists of γ=19 kN/m3 which is 6 m high. Find the lateral earth pressure per meter length. Given coefficient of earth pressure at rest is 0.5.

(a)

43 kN/m2

(b)

57 kN/m2

(c)

48 kN/m2

(d)

76 kN/m2

Answer:

Option (b)

27.

Originally, Rankine’s theory of lateral earth pressure can be applied to only _______

(a)

Cohesion less soil

(b)

Cohesive soil

(c)

Fine grained soil

(d)

Coarse grained soil

Answer:

Option (a)

28.

Based on the assumptions of Rankine’s theory, the soil mass is __________

(a)

Stratified

(b)

 Submerged

(c)

Homogeneous

(d)

All of the mentioned

Answer:

Option (c)

29.

 Which of the following cases for cohesion less backfill in Rankine’s theory is considered?

(a)

Submerged backfill

(b)

Moist backfill with no surcharge

(c)

Backfill with sloping surface

(d)

All of the mentioned

Answer:

Option (d)

30.

The factor that is responsible for inclination of resultant pressure to the retaining wall is __________

(a)

Frictional force

(b)

Surcharge

(c)

Earth pressure

(d)

Weight of the wall

Answer:

Option (a)

Showing 21 to 30 out of 61 Questions