1
GATE CE 2024 Set 1
MCQ (Single Correct Answer)
+2
-0.833

A vertical smooth rigid retaining wall is supporting horizontal ground with dry cohesionless backfill having a friction angle of 30°. The inclinations of failure planes with respect to the major principal plane for Rankine’s active and passive earth pressure conditions, respectively, are

A

30° and 30°

B

60° and 60°

C

30° and 60°

D

60° and 30°

2
GATE CE 2024 Set 1
MCQ (More than One Correct Answer)
+2
-0.833

Which of the following statement(s) is/are CORRECT?

A

Swell potential of soil decreases with an increase in the shrinkage limit.

B

Both loose and dense sands with different initial void ratios can attain similar void ratio at large strain during shearing.

C

Among the several corrections to be applied to the SPT-N value, the dilatancy correction is applied before all other corrections.

D

In electrical resistivity tomography, the depth of current penetration is half of the spacing between the electrodes.

3
GATE CE 2024 Set 1
Numerical
+2
-0.833

The total primary consolidation settlement ($S_c$) of a building constructed on a 10 m thick saturated clay layer is estimated to be 50 mm. After 300 days of the construction of the building, primary consolidation settlement was reported as 10 mm. The additional time (in days) required to achieve 50% of $S_c$ will be ________________ (rounded off to the nearest integer).

Your input ____
4
GATE CE 2024 Set 1
Numerical
+2
-0.833

An infinite slope is made up of cohesionless soil with seepage parallel to and up to the sloping surface. The angle of slope is 30° with respect to the horizontal ground surface. The unit weights of the saturated soil and water are 20 kN/m3 and 10 kN/m3, respectively.

The minimum angle of shearing resistance of the soil (in degrees) for the critically stable condition of the slope is ________________ (rounded off to the nearest integer).

Your input ____
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