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