PARTII $(60$ MARKS$)$

Attemet FOUR $(4)$ Question ONLY

Quertion $3$

Discuss the significance of mechonical discontinuities in rock masses and their impact on the stability and desig of engineering structures. Provide examples of how these discontinuities influence engineering decisions. $(15)$ marks$)$

Question $4$

Anolyze the role of temperature and pressure in metamorphism and how they affect mineral stability and texture. Discuss the implications of these factors on the classification and interpretation of metamorphic rocks. $($I$5$ marks$)$

Question $5$

Evaluate the importance of specific gravity and porosity in determining the suitability of rocks for construction purposes. How do these properties influence engineering decisions? $(15$ marks$)$

Question $6$

Describe the process of determining the void ratio and porosity of soil samples. How do these parameters affect geotechnical engineering practices? $(15$ marks$)$

Question $7$

Discuss the relationship between rock hardness and its applications in engineering. How is hardness measures and what are the implications of hardness on rock durability and usability? $(15$ marks$)$

Table $5$: The constant $K$ matched with core sizes of rock

$\backslash$table$[[$Core Size, $mm,\backslash$table$[[$Constant$,$ K$],[$Dimensionless$]]],[20,17\mathrm{.}5],[30,19],[40,21],[50,23],[54,24],[60,24\mathrm{.}5]]$