Select the correct option$($s$)$ from the following and justify your choice. Any response without justification will not be considered.

i$.$ A fine grained soil with which of the following inter granular arrangements is likely to exhibit the greatest sensitivity

A$.$ aggregated

B$.$ aggregated

C$.$ dispersed

$[5]$ deflocculated flocculated deflocculated

D$.$ dispersed flocculated

ii$.$ Which of the following is an example of a $1$:$1$ clay mineral

Q$.$ feldspar

B$.$ illite

C$.$ kaolinite

$[5]$

iii. For a sample of cohesionless saturated sand sample that failed under $300$ kPa deviator stress and $400$ kPa cell pressure in a consolidated drained triaxial test, the shear strength parameters would be

A$.{}^{\text{'}}$~~$30$ and $c^{\text{'}}$~~$0$

b$.{}^{\text{'}}$~~$37$ and $c^{\text{'}}$~~$0$

C$.{}_U$~~$0$ and $c_U$~~$300$kPa

D$.{}_U$~~$0$ and $c_U$~~$150$kPa

$[5]$

iv$.$ If the diameter of the sand sample at the end of consolidation was $38$ mm in the test of the preceding question, sample diameter at failure is likely to

A$.$ exceed $38$ mm

B$.$ be less than $38$ mm

$[5]$

C$.$ remain equal to $38$ mm

D$.$ could be larger than, equal to or smaller than $38$ mm depending on conditions not clarified above