ICC Soils questions 1 – 70 Exam with verified detailed solutions

ICC Soils questions 1 – 70 Exam with verified detailed
|| || || || || || || || || ||




solutions

During a sieve analysis procedure, you ___ turn or manipulate fragments in the sample
|| || || || || || || || || || || || || ||




through the sieve by hand. - ✔✔cannot || || || || || ||




When performing a hydrometer test, water shall be maintained at or near ___. - ✔✔68°F
|| || || || || || || || || || || || || ||




The soak time for the sample in solution during a Particle-Size Analysis shall be at least
|| || || || || || || || || || || || || || || ||




___. - ✔✔16 hours || || ||




Hydrometer readings shall be taken from the ___. - ✔✔Top of the meniscus|| || || || || || || || || || || ||




Two methods are used to prepare a test for liquid limit (LL), plastic limit (PL), and plasticity
|| || || || || || || || || || || || || || || ||




index (PI): - ✔✔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. - ✔✔Wet
|| || || || || || || || || || || ||




Two methods are used for determining ___: Method A (multipoint) or Method B (one-
|| || || || || || || || || || || || ||




point). - ✔✔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 ____.
|| || || || || || || || || || || || || || || ||




- ✔✔A||

, The LL, PL, and PI are performed on the portion of the soil that passes the ____ sieve. -
|| || || || || || || || || || || || || || || || || || ||




✔✔No. 40 ||




The water content, in percent, of the soil at the arbitrarily defined boundary between liquid
|| || || || || || || || || || || || || || ||




and plastic states is known as the ___. - ✔✔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 ___. - ✔✔Plastic Limit (PL)
|| || || || || || || || ||




The ___ is calculated as the difference between the liquid limit and the plastic limit. The
|| || || || || || || || || || || || || || || ||




equation is as follows: || || || ||




___ = __ - ___. - ✔✔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 ____. - ✔✔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. - ✔✔1/8 inch
|| || || || || || || || || || || ||




When sampling from a roadway, obtain at least ___ equal increments selected randomly
|| || || || || || || || || || || || ||




from the unit being sampled. - ✔✔3
|| || || || || ||




If sampling from a stockpile of fine aggregate, always remove the ___ and sample the
|| || || || || || || || || || || || || || ||




material beneath. - ✔✔Outer layer || || || ||




The Standard Effort lab max applies to soils that have 30% or less by weight retained on the
|| || || || || || || || || || || || || || || || || ||




___. - ✔✔3/4-inch sieve
|| || ||