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ICC (EC) Soils 1 - 130 Questions and
Correct Answers/ Latest Update / Already
Graded
Information for the ICC (EC) Soils Special Inspector exam can be found
in the ___. It is updated ___.
Ans: National Certification Examination Information Bulletin
every six months
What references are allowed to be brought to the ICC (EC) Soils Special
Inspector exam?
Ans: Geotechnical Testing, Observation, and Documentation
Soils, Earthwork, and Foundations
Special Inspection Manual 2012
International Building Code 2015
ASTM Standards as Referenced in the IBC
ASTM References: (2016)
D 75-14
D 422-63 (2007)
D 698-12e1
D 1556-07
D 1557-12
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D 2487-11
D 2488-09a
D 4318-10e1
D 4718-87 (2007)
D 4959-07
D 6938-10
The ICC (EC) Soils Special Inspector exam expected range of
knowledge (ERK) is divided into content areas:
Ans: General Requirements
Sampling, Classification, and Laboratory Test Results
Grading Plans and Site Preparation
Fill Monitoring and Testing
Test Method ASTM D1556 (sand cone) is applicable for soils without
considerable amounts of rock or coarse materials greater than ____ in
diameter.
Ans: 1.5"
ASTM D1556 (sand cone) is not suitable for ___, ___,or ___ soils that
would deform or compress during the excavation of the test hole.
Ans: Organic
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Saturated
Highly plastic
The test hole volume for a sand cone test will depend on the
anticipated ___ in the soil to be tested.
Ans: Maximum particle size
Bulk density tests of sand will be conducted at maximum intervals of
___, when a new batch arrives, or after any potential changes have
taken place.
Ans: 14 days
For ASTM D6938 *In-Place Density and Water Content by Nuclear
Methods*, Procedure A describes ___ and Procedure B describes the
___.
Ans: Direct transmission
Backscatter position
The *ratio of the mass of water* contained in the pore spaces of soil or
soil-aggregate *to the solid mass* of particles in the materials
expressed as a percentage is the ____.
Ans: gravimetric water content
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The *volume of water* as a *percent of the total volume of soil or
rock* material is the ___.
Ans: volumetric water content
Standardization of the nuclear gauge shall be performed ___.
Ans: at the start of each day's use
Perform standardization and operation of the gauge at least ___
meters ( ___feet) away from other gauges, large masses of water, or
other items that can affect the reference count rate.
Ans: 9 ( 30 )
For nuclear gauge standardization, take at least ___ repetitive readings
to obtain the mean.
Ans: 4
If, for any reason, the nuclear gauge reading becomes suspect during
the day's use, you should ____.
Ans: perform another standardization check
All rights reserved © 2025/ 2026 |
ICC (EC) Soils 1 - 130 Questions and
Correct Answers/ Latest Update / Already
Graded
Information for the ICC (EC) Soils Special Inspector exam can be found
in the ___. It is updated ___.
Ans: National Certification Examination Information Bulletin
every six months
What references are allowed to be brought to the ICC (EC) Soils Special
Inspector exam?
Ans: Geotechnical Testing, Observation, and Documentation
Soils, Earthwork, and Foundations
Special Inspection Manual 2012
International Building Code 2015
ASTM Standards as Referenced in the IBC
ASTM References: (2016)
D 75-14
D 422-63 (2007)
D 698-12e1
D 1556-07
D 1557-12
All rights reserved © 2025/ 2026 |
, Page |2
D 2487-11
D 2488-09a
D 4318-10e1
D 4718-87 (2007)
D 4959-07
D 6938-10
The ICC (EC) Soils Special Inspector exam expected range of
knowledge (ERK) is divided into content areas:
Ans: General Requirements
Sampling, Classification, and Laboratory Test Results
Grading Plans and Site Preparation
Fill Monitoring and Testing
Test Method ASTM D1556 (sand cone) is applicable for soils without
considerable amounts of rock or coarse materials greater than ____ in
diameter.
Ans: 1.5"
ASTM D1556 (sand cone) is not suitable for ___, ___,or ___ soils that
would deform or compress during the excavation of the test hole.
Ans: Organic
All rights reserved © 2025/ 2026 |
, Page |3
Saturated
Highly plastic
The test hole volume for a sand cone test will depend on the
anticipated ___ in the soil to be tested.
Ans: Maximum particle size
Bulk density tests of sand will be conducted at maximum intervals of
___, when a new batch arrives, or after any potential changes have
taken place.
Ans: 14 days
For ASTM D6938 *In-Place Density and Water Content by Nuclear
Methods*, Procedure A describes ___ and Procedure B describes the
___.
Ans: Direct transmission
Backscatter position
The *ratio of the mass of water* contained in the pore spaces of soil or
soil-aggregate *to the solid mass* of particles in the materials
expressed as a percentage is the ____.
Ans: gravimetric water content
All rights reserved © 2025/ 2026 |
, Page |4
The *volume of water* as a *percent of the total volume of soil or
rock* material is the ___.
Ans: volumetric water content
Standardization of the nuclear gauge shall be performed ___.
Ans: at the start of each day's use
Perform standardization and operation of the gauge at least ___
meters ( ___feet) away from other gauges, large masses of water, or
other items that can affect the reference count rate.
Ans: 9 ( 30 )
For nuclear gauge standardization, take at least ___ repetitive readings
to obtain the mean.
Ans: 4
If, for any reason, the nuclear gauge reading becomes suspect during
the day's use, you should ____.
Ans: perform another standardization check
All rights reserved © 2025/ 2026 |
