Programmable calculators are not allowed. Be neat and write CLEARLY. Underline or BOX your answers.

Name:

I.D:

Signature:

Make Assumptions whenever you deem them necessary.

Unit weight of water, ${}_w=9\mathrm{.}81k\frac{N}{m^3}=62\mathrm{.}4l\frac{b}{f}{t}^3$

PROBLEM $1$: $(20$ POINTS; $4$ PER QUESTION$)$

Select the best answer if it is an MCQ or a True False question. $($No penalties will be assessed for wrong answers$).$ Correct the false statements.

a$.$ The specific area of the clay particles greatly affects their engineering behavior.

$($True$/$False$)$

b$.$ Select which of the following is not considered a rock type in geotechnical engineering:

Sedimentary

Metamorphic

Igneous

Kalahari

c$.$ Compaction is used only for sandy soils, since clayey soils are sticky and have plasticity, thus deeming compaction to be inefficient.

$($True$/$False$)$

d$.$ A soil has a minimum void ratio of $0\mathrm{.}50$ and a maximum void ratio of $1\mathrm{.}00,$ it is considered to have a relative density of $75\%,$ calculate the current void ratio.

e$.$ Very briefly, determine the type of energy $($method$)$ used when compacting coarse soils.

$1$

Dr$.$ Abed Mikati