ICC (EC) SOILS 1 - 135 EXAM
QUESTIONS WITH ANSWERS.
If the blow count for any half-foot increment exceeds ___, the
distance the sampler was driven should be measured and
recorded, then the split barrel sampler should be removed from
the hole to prevent damage to the driver shoe. - correct answer -
50
GTOD ch 2
When obtaining a sample for a Proctor, the bulk sample from the
field shall be a minimum of ___. - correct answer -50 lbs
GTOD ch 3
When performing a Proctor, leave each individual sample sealed
in its airtight container for ___ hours for nonplastic soils and up to
___ hours for very clayey material. - correct answer -2 to 4 hours
16 hours
GTOD ch 3
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When preparing material for a Plastic or Liquid Limit test, place a
representative portion of the soil in a pan and allow it to oven dry
at a *maximum* temperature of ___°F ( ___°C). - correct answer -
140°F ( 60°C )
GTOD ch 3
The first step to becoming familiar with any grading project is to
review the ___. - correct answer -Grading Report
When the cut/fill contacts are highlighted on grading plans, it is
referred to as "___" on the plans. - correct answer -Daylight
The appropriate compaction equipment for *clay* and *silt* would
be a ___, and for aggregate base, *sand* and *gravel* would be
___. - correct answer -Sheepsfoot - non-vibe
Flat drum - vibe
GTOD Table 11-2
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The maximum angle that a granular material can loosely stockpile
is called the ___. - correct answer -angle of repose
The process of compacting selected materials over a pumping or
soft area is referred to as ___. - correct answer -Bridging
The densification of soil or other material resulting in a decrease
in volume would be considered ___. - correct answer -
Compaction
A surveying stake from the top of which elevations and distances
are measured and computed is called a ___. - correct answer -
Hub
The removal of soil below the proposed finish grade, then
replacing it with compacted material is a process known as ___. -
correct answer -over excavation - over X
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The property of soil that allows it to be deformed beyond the point
of recovery without cracking or appreciable volume change would
be ___. - correct answer -Plasticity
A rolling motion in solid placed or compacted in an over optimum
condition would be referred to as ___. - correct answer -Pumping
The act of loosening existing surface material to mix, blend, or
prepare fill placement is to ___. - correct answer -Scarify
Applying a rock correction to a compaction test will cause the in-
place density to ___. - correct answer -Decrease
A sheepsfoot compacts from the ___. - correct answer -Bottom to
the top
When a sample is found to be larger than needed for testing, you
can reduce it by ___ . - correct answer -quartering or splitting