NICET SOILS LEVEL 1 EXAM WITH 70 QUESTIONS &
CORRECT ANSWERS
Define C117 - ANSWER-The determination of the amount of material finer than a
75-um (No.200) sieve
What is the significance of C136? - ANSWER--To determine the grading of
materials,
-compliance of particle size distribution,
-provide data for control of production of various aggregate
-developing relationships concerning porosity and packing
What procedure should always be used unless otherwise specified in c117? -
ANSWER-Procedure A
What is an appropriate wetting agent to use for sieving through a No.200 sieve? -
ANSWER-Water or any dispersing agent that will promote separation of the fine
materials
What should the temperature of the oven be when drying samples?(C117) -
ANSWER-110 °C (+-5)
If used, how much wetting agent should be used in procedure B? C117 -
ANSWER-Enough to produce a small amount of suds when the sample was
agitated
, Report the amount retained by wash by....?(C117) - ANSWER-<10%-report to the
.1%
>10%-report to the nearest whole number
How long do you sieve material? C136 - ANSWER-so that not more than 1% of
material retained on any sieve will pass during 1 minute of hand sieving
How accurate shall balances be fo fine aggregate? C136 - ANSWER-readable to
the nearest .1 Gram or .1%
How accurate shall balances be for course aggregate or mixtures? C136 -
ANSWER-readable to the nearest .5 gram or nearest .1%
What is the significance of C117? - ANSWER-Accurate determination of material
finer than 75-um in mineral aggregate by washing
What practice is used for sampling aggregate? - ANSWER-D75
The investigation of potential sample material should be performed by....? D75 -
ANSWER-A responsible, trained and experienced person
What should a stockpile be visually inspected of? D75 - ANSWER-Discernable
Variations
Where shall a sample be obtained where practicable?D75 - ANSWER-From the
finished product
CORRECT ANSWERS
Define C117 - ANSWER-The determination of the amount of material finer than a
75-um (No.200) sieve
What is the significance of C136? - ANSWER--To determine the grading of
materials,
-compliance of particle size distribution,
-provide data for control of production of various aggregate
-developing relationships concerning porosity and packing
What procedure should always be used unless otherwise specified in c117? -
ANSWER-Procedure A
What is an appropriate wetting agent to use for sieving through a No.200 sieve? -
ANSWER-Water or any dispersing agent that will promote separation of the fine
materials
What should the temperature of the oven be when drying samples?(C117) -
ANSWER-110 °C (+-5)
If used, how much wetting agent should be used in procedure B? C117 -
ANSWER-Enough to produce a small amount of suds when the sample was
agitated
, Report the amount retained by wash by....?(C117) - ANSWER-<10%-report to the
.1%
>10%-report to the nearest whole number
How long do you sieve material? C136 - ANSWER-so that not more than 1% of
material retained on any sieve will pass during 1 minute of hand sieving
How accurate shall balances be fo fine aggregate? C136 - ANSWER-readable to
the nearest .1 Gram or .1%
How accurate shall balances be for course aggregate or mixtures? C136 -
ANSWER-readable to the nearest .5 gram or nearest .1%
What is the significance of C117? - ANSWER-Accurate determination of material
finer than 75-um in mineral aggregate by washing
What practice is used for sampling aggregate? - ANSWER-D75
The investigation of potential sample material should be performed by....? D75 -
ANSWER-A responsible, trained and experienced person
What should a stockpile be visually inspected of? D75 - ANSWER-Discernable
Variations
Where shall a sample be obtained where practicable?D75 - ANSWER-From the
finished product
