Nicet Level 2: Earth Work Question
and answers already passed
2025/2026
What does the Sand Cone Method Determine? - correct answer ✔In-place density of soil and
aggregates
Mass for sand cone test should be recorded to nearest? - correct answer ✔0.01lbs
Sand cone test can also be used to determine? - correct answer ✔Moisture content and dry mass of
excavated soil
How to determine percent compaction? - correct answer ✔Dry Density/Lab max density x 100
What size particles should not be used during the sand cone test? - correct answer ✔Non-Cementous
with few to no particles passing #200 sieve and non-retained in #10 sieve
What does the proctor test determine? - correct answer ✔Moisture density relationship of soils and
soil-aggregates
What size molds are used for the proctor test? - correct answer ✔4" molds and 6" molds
What size rammers are used for the proctor test? - correct answer ✔5lbs with 12" drop and 10lbs with
18" drop
How many blows are required per mold for proctor test? - correct answer ✔25 blows for 4" mold and
56 blows for 6" mold
, How many lifts are required per mold for proctor test? - correct answer ✔4" mold requires 3 lifts while
6" mold requires 5 lifts
What is the requirement for compacted depth for proctor test? - correct answer ✔5"
What is the purpose of Nuclear Density Gauge? - correct answer ✔Determines density of compacted
material
When is backscatter method for nuclear density gauge used? - correct answer ✔When properties of
the first few inches are concerned such as HMA
When is Direct Transmission for nuclear density gauge used? - correct answer ✔When properties are
within 2"-12" are concerned such as compacted backfill
What is the spacing for multiple nuclear density gauge that are being conducted? - correct answer
✔Each test has to be spaced 30' from each other
What are the requirements when preparing to do the nuclear density test? - correct answer ✔6" away
from verticle projections and 24" away from a wall
What is the void space underneath the nuclear density gauge? - correct answer ✔1/8"
What is the Wet Density test requirements for single direct transmission in soil conditions? - correct
answer ✔CL: .94lb/ft^3,
SP: .74lb/ft^3
ML: 1.28lb/ft^3
What is the wet density test requirement for backscatter in soil conditions? - correct answer ✔ML:
3.39lb/ft^3
and answers already passed
2025/2026
What does the Sand Cone Method Determine? - correct answer ✔In-place density of soil and
aggregates
Mass for sand cone test should be recorded to nearest? - correct answer ✔0.01lbs
Sand cone test can also be used to determine? - correct answer ✔Moisture content and dry mass of
excavated soil
How to determine percent compaction? - correct answer ✔Dry Density/Lab max density x 100
What size particles should not be used during the sand cone test? - correct answer ✔Non-Cementous
with few to no particles passing #200 sieve and non-retained in #10 sieve
What does the proctor test determine? - correct answer ✔Moisture density relationship of soils and
soil-aggregates
What size molds are used for the proctor test? - correct answer ✔4" molds and 6" molds
What size rammers are used for the proctor test? - correct answer ✔5lbs with 12" drop and 10lbs with
18" drop
How many blows are required per mold for proctor test? - correct answer ✔25 blows for 4" mold and
56 blows for 6" mold
, How many lifts are required per mold for proctor test? - correct answer ✔4" mold requires 3 lifts while
6" mold requires 5 lifts
What is the requirement for compacted depth for proctor test? - correct answer ✔5"
What is the purpose of Nuclear Density Gauge? - correct answer ✔Determines density of compacted
material
When is backscatter method for nuclear density gauge used? - correct answer ✔When properties of
the first few inches are concerned such as HMA
When is Direct Transmission for nuclear density gauge used? - correct answer ✔When properties are
within 2"-12" are concerned such as compacted backfill
What is the spacing for multiple nuclear density gauge that are being conducted? - correct answer
✔Each test has to be spaced 30' from each other
What are the requirements when preparing to do the nuclear density test? - correct answer ✔6" away
from verticle projections and 24" away from a wall
What is the void space underneath the nuclear density gauge? - correct answer ✔1/8"
What is the Wet Density test requirements for single direct transmission in soil conditions? - correct
answer ✔CL: .94lb/ft^3,
SP: .74lb/ft^3
ML: 1.28lb/ft^3
What is the wet density test requirement for backscatter in soil conditions? - correct answer ✔ML:
3.39lb/ft^3
