NICET SOILS LEVEL 1 EXAM 2026 PREPARATION MODULE

NICET SOILS LEVEL 1 EXAM 2026
PREPARATION MODULE

◉ What shall be done if there are any discernable Variations in a
stockpile? D75 Answer: Corrective action shall be taken to establish
homogeneity in the material


◉ If it is necessary to indicate the degree of variation in a stockpile,
what shall be done? D75 Answer: Separate samples shall be drawn
from separate areas of the pile


◉ What increases when sampling from the beginning or the final
few tons of a conveyor belt? D75 Answer: The potential of obtaining
segregated material


◉ When should method A be used in a standard proctor? D698
Answer: When 25% or less material is retained on a No. 4 sieve


◉ When should method B be used for standard proctor? D698
Answer: When 25% or less material is retained on a 3/8" sieve


◉ When should method C be used for standard proctor? D698
Answer: When 30% or less material is retained on a 3/4" sieve

, ◉ When should a correction factor be established on a standard
proctor? D698 Answer: When the test specimen contains more than
5% of oversize fractions


◉ for purposes of comparing measured or calculated values, what
shall the value be rounded to? D698 Answer: The nearest decimal or
significant digit


◉ The procedures in D698 are considered...? Answer: industry
standard


◉ Define Standard Effort....D698 Answer: 12,400 ft-Ibf/ft3
compactive effort applied by equipment in D698


◉ Define Standard Optimum Water Content....D698 Answer: The
molding water content at which soil can be compacted to the
maximum dry unit weight using standard compactive effort


◉ Define oversized fractions...D698 Answer: The portion of a sample
that does not pass through the required sieve in D698


◉ Laboratory compaction tests provide...D698 Answer:
determination of the percent compaction and molding water needed
to achieve engineering requirements