REAL EXAM QUESTIONS AND CORRECT WELL DETAILED
ANSWERS (VERIFIED ANSWERS) / ALREADY GRADED A+
ASSURED!!!/NEWEST.
What increases when sampling from the beginning or the final
few tons of a conveyor belt? D75 - ANSWER-The potential of
obtaining segregated material
What is specified to be acceptable sand for sand cone? D1556
– ANSWER-Bulk-density variation between any one
determination shall not be greater than
1%
What types of soils can be used in Modified proctors? D1557 -
ANSWER-soils that have 30% or less of their particles retained
on the ¾" sieve and have not been previous compacted
What types of soils can be used in Modified proctors? D698 -
ANSWER-soils that have 30% or less of their particles retained
on the ¾" sieve and have not been previous compacted
, When should a correction factor be used on standard/modified
proctors? D698/D1557 - ANSWER-When more than 5% of
oversized fractions are retained on any method sieve
What type of rammer should be used for a modified proctor?
D1557 - ANSWER--Shall free fall a length of 18" (+-.05")
-weight shall be 10lbf (+- .02lbf)
-with a round and planar face with a diameter of 2" (+-.05")
What sieve is used in method A of a standard/modified
proctor? D698/1557 - ANSWER-No.4
What sieve is used in method B of a standard/modified
proctor? D698/1557 -
ANSWER-⅜"
What sieve is used in method C of a standard/modified
proctor? D698/1557 -
ANSWER-¾"
What is modified effort? D1557 - ANSWER-56,000 lbf/ft³
What is standard effort? D698 - ANSWER-12,400 lbf/ft³