Free Bachelor of Civil Engineering Geotechnical Questions and Answers

Question 1

Which of the following purposes frequently calls for the use of earth embankments or slopes?

Accepted Answer

All of the above

Answer

Earth embankments and slopes are fundamental components in a wide range of civil engineering projects. They are extensively used to create stable elevated platforms for roadways and railways, and they form the primary structural elements of earth dams for water impoundment. Therefore, all the listed applications frequently require the construction of earth embankments or slopes.

Question 2

Slope failure could be brought on by .

Accepted Answer

Forces between the soil particle and High water content

Answer

Slope failure is primarily caused by a reduction in the soil's shear strength and an increase in shear stresses. High water content significantly reduces soil strength by increasing pore water pressure and decreasing the effective stress between soil particles. This weakening, combined with the gravitational forces acting on the soil mass, can overcome the internal resistance, leading to instability and failure.

Question 3

The various sorts of slopes are classified.

Accepted Answer

2

Answer

Slopes are generally classified into two primary types: infinite slopes and finite slopes. Infinite slopes are characterized by their very long and uniform extent, where the failure plane is assumed to be parallel to the surface. Finite slopes, in contrast, have limited dimensions and a defined base, typically found in embankments and cuts.

Question 4

Which of the following represents a slope that never ends?

Accepted Answer

None of the above

Answer

An infinite slope is characterized by its uniform properties and constant inclination over a very long distance, where the failure surface is parallel to the ground surface. Cuts, embankments, and the inclined faces of earth dams are all examples of *finite* slopes, as they have defined boundaries and limited extents. Therefore, none of the provided options represent an infinite slope.

Question 5

The types of positive projecting conduits are .

Accepted Answer

4

Answer

Positive projecting conduits, such as pipes or culverts, are installed in trenches and then covered with backfill. These are typically classified into four main types based on their installation conditions and the resulting load distribution: ditch conduit, projecting conduit, imperfect ditch conduit, and perfect ditch conduit. These classifications help in accurately determining the loads on the conduit.

BCE - Bachelor of Civil Engineering Practice Test

BCE - Bachelor of Civil Engineering Practice Test

Free Bachelor of Civil Engineering Geotechnical Questions and Answers