Question $5[5$ Marks$]$

Say whether the following statements are True or False:

$5\mathrm{.}1$ Seepage through a dam composed of fine sand is typically less than through a similar dam composed of clay.

$5\mathrm{.}2$ The stability of a dam is solely determined by its ability to resist water pressure.

$1$

$5\mathrm{.}3$ In civil engineering practice, it is necessary to remove vegetation, topsoil, and other debris from a construction site because building on top of such material can lead to unstable foundations.

$5\mathrm{.}4$ Shallow foundations are typically classified as being deeper than $1\mathrm{.}5$ meters.

$1$

$5\mathrm{.}5$ One of the causes of trench collapses is when excavation plant and equipment are operated too close to the edge, potentially destabilizing the trench.

$1$