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WorksheetsSOILS,E&F Geological Engineering CH5
Total questions: 11
Worksheet time: 6mins
Depressions in the soil surface generated by past glacial activity can result in the formation of (select one):
boulder fields
peat bogs
earthquakes
limestone
Contact of moving glacier ice with rocks can produce (select one):
no discernible effect
metamorphic rock
major grinding action
long-term cloud cover
Loess deposits are (select one):
caused by glaciers
caused by water
caused by wind
The USCS classification is dependent on (select one):
grain size
Atterberg limits
both of the above
In the USCS a fine-grain material is more than 50% smaller than the sieve:
#200
#100
#40
Based on the Plasticity Chart, a CH (high plasticity clay) will have (select one):
a Liquid Limit less than 50
a Liquid Limit greater than 50
a Plasticity Index less than 20
A highly organic soil is (select one):
hardly ever a problem with regard to foundation establishment
always is a problem with regard to foundation establishment
always toxic to wildlife
A “rule of thumb” indicates that a significant absolute increase can occur in the soil to a depth of about (select one):
15% of the width of the foundation element
50% of the width of the foundation element
85% of the width of the foundation element
The longest dimension of the building
As a river or creek carries soil particles in suspension and as the velocity of the current slows, the last particles to be deposited will be (select one):
silt and clay
sand
gravel
An expansive soil may change volume due to the following (select one):
rainfall
evapotranspiration due to trees
evaporation
all of the above
Footnote “b” of Table R301.2 (1) in the 2015 IRC requires a jurisdiction to fill in (select one):
its address
the name of the building official
the frost-line depth
the U.S. Weather Service website
