COMPLETE QUESTION AND ANSWER SET
◉ When performing a hydrometer test, water shall be maintained at
or near ___.
Answer: 68°F
◉ The soak time for the sample in solution during a Particle-Size
Analysis shall be at least ___.
Answer: 16 hours
◉ Hydrometer readings shall be taken from the ___.
Answer: Top of the meniscus
◉ Two methods are used to prepare a test for liquid limit (LL),
plastic limit (PL), and plasticity index (PI):
Answer: 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.
Answer: Wet
, ◉ Two methods are used for determining ___: Method A (multipoint)
or Method B (one-point).
Answer: 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 ____.
Answer: A
◉ The LL, PL, and PI are performed on the portion of the soil that
passes the ____ sieve.
Answer: No. 40
◉ The water content, in percent, of the soil at the arbitrarily defined
boundary between liquid and plastic states is known as the ___.
Answer: 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 ___.
Answer: Plastic Limit (PL)
◉ The ___ is calculated as the difference between the liquid limit and
the plastic limit. The equation is as follows: