ICC (EC) SOILS 1 – 130 EXAM LATEST
QUESTIONS AND ANSWERS
2026 - 2027
During a sieve analysis procedure, you ___ turn or manipulate fragments
in the sample through the sieve by hand. - ANSWERS-cannot
When performing a hydrometer test, water shall be maintained at or near
___. - ANSWERS-68°F
The soak time for the sample in solution during a Particle-Size Analysis
shall be at least ___. - ANSWERS-16 hours
Hydrometer readings shall be taken from the ___. - ANSWERS-top of
the meniscus
Two methods are used to prepare a test for Liquid Limit (LL), Plastic
Limit (PL), and Plasticity Index (PI): - ANSWERS-wet, dry
For the LL, PL and PI, the method of preparation shall be specified by
the requesting authority and if no method is specified, us the ___
method. - ANSWERS-wet
END OF
PAGE
1
, ICC (EC) SOILS 1 – 130 EXAM LATEST
QUESTIONS AND ANSWERS
2026 - 2027
Two methods are used for determining ___: Method A (multipoint) or
Method B (one-point). - ANSWERS-Liquid Limit (LL)
The method of preparation for the LL shall be specified by the
requesting authority and if no method is specified, there is a dispute, or
greater precision is required, use Method ____. - ANSWERS-A
The LL, PL, and PI are performed on the portion of the soil that passes
the ____ sieve. - ANSWERS-No. 40
The water content, in percent, of the soil at the arbitrarily defined
boundary between liquid and plastic states is known as the ___. -
ANSWERS-Liquid Limit (LL)
The water content, in percent, of a soil at the boundary between the
plastic and semi-solid states is known as the ___. - ANSWERS-Plastic
Limit (PL)
The ___ is calculated as the difference between the liquid limit and the
plastic limit. The equation is as follows:
END OF
PAGE
2
, ICC (EC) SOILS 1 – 130 EXAM LATEST
QUESTIONS AND ANSWERS
2026 - 2027
___ = __ - ___. - ANSWERS-Plasticity Index
PI = LL - PL
Originally there were six "limits of consistency" of fine-grained soils.
Now LL, PL, and in some references, the Shrinkage Limit is known as
the ____. - ANSWERS-Atterberg limits
The Plastic Limit "hand method" requires placing a mass of soil on a
glass plate, then - with your fingers - roll it into a ___ in diameter. -
ANSWERS-1/8" inch
For ASTM D4718, the upper limit of oversize particles in this practice
has been set at ____ of the plus No.4 material and ___ of the plus 3/4-
inch material. - ANSWERS-40%
30%
The minimum required mass of soil for a moisture content test on a No.
4 sieve shall be ___. - ANSWERS-300g (300g - 500g)
D4959
END OF
PAGE
3
, ICC (EC) SOILS 1 – 130 EXAM LATEST
QUESTIONS AND ANSWERS
2026 - 2027
Water content of a specimen shall be reported to the nearest ___. -
ANSWERS-1%
D4959
The direct heating source for ASTM D4959 shall raise the specimen
temperature to or above ___°C or ___°F. - ANSWERS-110°C or 230°F
ASTM D4959; Balances for determining the moisture content of soil by
direct heating shall have a capacity of ___ and readable to ___. -
ANSWERS-2 kg
0.1g
Material rolled into an 1/8-inch thread and left to air dry will crumble
relatively easily if it is predominantly ___ and harder to break if it is
___. - ANSWERS-Silt
Clay
When performing a dilute HCl test, a mixture may consist of __
hydrochloric acid and ___ water solution. - ANSWERS-20% and 80%
END OF
PAGE
4
QUESTIONS AND ANSWERS
2026 - 2027
During a sieve analysis procedure, you ___ turn or manipulate fragments
in the sample through the sieve by hand. - ANSWERS-cannot
When performing a hydrometer test, water shall be maintained at or near
___. - ANSWERS-68°F
The soak time for the sample in solution during a Particle-Size Analysis
shall be at least ___. - ANSWERS-16 hours
Hydrometer readings shall be taken from the ___. - ANSWERS-top of
the meniscus
Two methods are used to prepare a test for Liquid Limit (LL), Plastic
Limit (PL), and Plasticity Index (PI): - ANSWERS-wet, dry
For the LL, PL and PI, the method of preparation shall be specified by
the requesting authority and if no method is specified, us the ___
method. - ANSWERS-wet
END OF
PAGE
1
, ICC (EC) SOILS 1 – 130 EXAM LATEST
QUESTIONS AND ANSWERS
2026 - 2027
Two methods are used for determining ___: Method A (multipoint) or
Method B (one-point). - ANSWERS-Liquid Limit (LL)
The method of preparation for the LL shall be specified by the
requesting authority and if no method is specified, there is a dispute, or
greater precision is required, use Method ____. - ANSWERS-A
The LL, PL, and PI are performed on the portion of the soil that passes
the ____ sieve. - ANSWERS-No. 40
The water content, in percent, of the soil at the arbitrarily defined
boundary between liquid and plastic states is known as the ___. -
ANSWERS-Liquid Limit (LL)
The water content, in percent, of a soil at the boundary between the
plastic and semi-solid states is known as the ___. - ANSWERS-Plastic
Limit (PL)
The ___ is calculated as the difference between the liquid limit and the
plastic limit. The equation is as follows:
END OF
PAGE
2
, ICC (EC) SOILS 1 – 130 EXAM LATEST
QUESTIONS AND ANSWERS
2026 - 2027
___ = __ - ___. - ANSWERS-Plasticity Index
PI = LL - PL
Originally there were six "limits of consistency" of fine-grained soils.
Now LL, PL, and in some references, the Shrinkage Limit is known as
the ____. - ANSWERS-Atterberg limits
The Plastic Limit "hand method" requires placing a mass of soil on a
glass plate, then - with your fingers - roll it into a ___ in diameter. -
ANSWERS-1/8" inch
For ASTM D4718, the upper limit of oversize particles in this practice
has been set at ____ of the plus No.4 material and ___ of the plus 3/4-
inch material. - ANSWERS-40%
30%
The minimum required mass of soil for a moisture content test on a No.
4 sieve shall be ___. - ANSWERS-300g (300g - 500g)
D4959
END OF
PAGE
3
, ICC (EC) SOILS 1 – 130 EXAM LATEST
QUESTIONS AND ANSWERS
2026 - 2027
Water content of a specimen shall be reported to the nearest ___. -
ANSWERS-1%
D4959
The direct heating source for ASTM D4959 shall raise the specimen
temperature to or above ___°C or ___°F. - ANSWERS-110°C or 230°F
ASTM D4959; Balances for determining the moisture content of soil by
direct heating shall have a capacity of ___ and readable to ___. -
ANSWERS-2 kg
0.1g
Material rolled into an 1/8-inch thread and left to air dry will crumble
relatively easily if it is predominantly ___ and harder to break if it is
___. - ANSWERS-Silt
Clay
When performing a dilute HCl test, a mixture may consist of __
hydrochloric acid and ___ water solution. - ANSWERS-20% and 80%
END OF
PAGE
4
