NICET Soils level 1 Exam Questions Correctly Answered.
Define C117 - CORRECT ANSWER The determination of the amount of material finer than a 75-um (No.200) sieve
What is the significance of C136? - CORRECT ANSWER -To determine the grading of materials,
-compliance of particle size distrib...
Define C117 - CORRECT ANSWER The determination of the amount of material finer than a 75-um
(No.200) sieve
What is the significance of C136? - CORRECT 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? - CORRECT ANSWER
Procedure A
What is an appropriate wetting agent to use for sieving through a No.200 sieve? - CORRECT 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) - CORRECT ANSWER 110 °C
(+-5)
If used, how much wetting agent should be used in procedure B? C117 - CORRECT ANSWER Enough to
produce a small amount of suds when the sample was agitated
Report the amount retained by wash by....?(C117) - CORRECT ANSWER <10%-report to the .1%
>10%-report to the nearest whole number
How long do you sieve material? C136 - CORRECT 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 - CORRECT ANSWER readable to the nearest .1
Gram or .1%
How accurate shall balances be for course aggregate or mixtures? C136 - CORRECT ANSWER readable to
the nearest .5 gram or nearest .1%
What is the significance of C117? - CORRECT ANSWER Accurate determination of material finer than 75-
um in mineral aggregate by washing
What practice is used for sampling aggregate? - CORRECT ANSWER D75
The investigation of potential sample material should be performed by....? D75 - CORRECT ANSWER A
responsible, trained and experienced person
What should a stockpile be visually inspected of? D75 - CORRECT ANSWER Discernable Variations
Where shall a sample be obtained where practicable?D75 - CORRECT ANSWER From the finished
product
After a sample is obtained what shall not be done unless required for testing purposes? D75 - CORRECT
ANSWER Further crushing or manual reduction
What shall be done if there are any discernable Variations in a stockpile? D75 - CORRECT ANSWER
Corrective action shall be taken to establish homogeneity in the material
If it is necessary to indicate the degree of variation in a stockpile, what shall be done? D75 - CORRECT
ANSWER Separate samples shall be drawn from separate areas of the pile
What increases when sampling from the beginning or the final few tons of a conveyor belt? D75 -
CORRECT ANSWER The potential of obtaining segregated material
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