Geotechnical Engineering (3130606) MCQs

MCQs of Earth Pressure & Stability of Slopes

Showing 41 to 50 out of 61 Questions
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41.

. The total net pressure for a cohesive soil is given by ________

(a)

 Pa=12 Ka γH2 cot2 α-2c cot⁡α
(b)

Pa=γH2-2c cot⁡α
(c)

Pa=Ka γH2-2c cot⁡α
(d)

Pa=Ka H2-2c cot⁡α
Answer:

Option (a)

42.

If a tension crack is developed at the top of wall to a depth Zo in cohesive soils, then the total net pressure is zero for a depth of _________

(a)

2Zo
(b)

 3Zo
(c)

4Zo
(d)

5Zo
Answer:

Option (a)

43.

The critical height for an unsupported vertical cut in cohesive soil is given by _____________

(a)

Hc=q−2ccotαγ
(b)

 

Hc=4ctanαγ
(c)

 Hc=4cotαγ
(d)

Hc=cotαγ
Answer:

Option (b)

44.

When the top tension portion of the wall in cohesive soil is neglected, the total lateral thrust is given by __________

(a)

 Pa=12Ka γH2 cot2 α-2c cot⁡α
(b)

Pa=12Ka γH2 cot2 α-2c cot⁡α+2c2γ
(c)

Pa=12Ka γH2 cot2 α-2c cot⁡α-2c2γ
(d)

Pa=Ka H2-2c cot⁡α
Answer:

Option (b)

45.

The lateral pressure for cohesive backfill with surcharge q is ___________

(a)

pa=γzcot2 α-2c cot⁡α+qcot2 α
(b)

 pa=γzcot2 α+2c cot⁡α+cot2α
(c)

pa=-2c cot⁡α-cot2 α
(d)

pa=γzcot2 α/2c cot⁡α
Answer:

Option (a)

46.

For a cohesive backfill with surcharge q, when at depth z0, pa=0, then the depth z0 is ___________

(a)

 z0=q−2ccotαγ
(b)

z0=2ctanαγ−qγ
(c)

z0=2cotαγ+qγ
(d)

z0=cotαγ−qγ
Answer:

Option (b)

47.

Earth embankments or slopes are commonly required for which of the following purpose?

(a)

Railways
(b)

Earth dams
(c)

Road ways
(d)

All of the mentioned
Answer:

Option (d)

48.

The failure of slopes may take place due to ___________

(a)

Forces between the soil particle and High water content
(b)

The action of gravitational force
(c)

Both 
(d)

None of the above
Answer:

Option (c)

49.

 Slopes is classified into ____________ types.

(a)

 2
(b)

3
(c)

 4
(d)

5
Answer:

Option (a)

50.

Which of the following is an example of slopes extending to infinity?

(a)

The inclined face of Earth dams
(b)

Embankments
(c)

Cuts
(d)

None of the mentioned
Answer:

Option (d)

Showing 41 to 50 out of 61 Questions
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