WORK COMPREHENSIVE
QUESTIONS (FREQUENTLY
TESTED) WITH VERIFIED
ANSWERS GRADED A+
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1. What does the Sand Cone Method Determine? Answer: In-place density of soil
and aggregates
2. Mass for sand cone test should be recorded to nearest? Answer:
0.01lbs
3. Sand cone test can also be used to determine? Answer: Moisture content and dry
mass of excavated soil
4. How to determine percent compaction? Answer: Dry Density/Lab max density
x 100
5. What size particles should not be used during the sand cone test?
Answer: Non-Cementous with few to no particles passing #200 sieve and non-retained in #10
sieve
6. What does the proctor test determine? Answer: Moisture density relationship of
soils and soil-aggre- gates
7. What size molds are used for the proctor test? Answer: 4" molds and 6"
molds
8. What size rammers are used for the proctor test? Answer: 5lbs with 12"
drop and 10lbs with 18" drop
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