NICET SOILS LEVEL 1 EXAM QUESTIONS AND ANSWERS

NICET SOILS LEVEL 1 EXAM
QUESTIONS AND ANSWERS
Define C117 - ANSWERS-- 8l 8l 8l


The determination of the amount of material finer than a 75-um (No.200) sieve
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l




What is the significance of C136? - ANSWERS---
8l 8l 8l 8l 8l 8l 8l


To determine the grading of materials,
8l 8l 8l 8l 8l 8l


-compliance of particle size distribution, 8l 8l 8l 8l


-provide data for control of production of various aggregate
8l 8l 8l 8l 8l 8l 8l 8l


-developing relationships concerning porosity and packing 8l 8l 8l 8l 8l




What procedure should always be used unless otherwise specified in c117? -
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l


ANSWERS--Procedure A
8l 8l




What is an appropriate wetting agent to use for sieving through a No.200 sieve? -
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l


ANSWERS--
8l


Water or any dispersing agent that will promote separation of the fine materials
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l




What should the temperature of the oven be when drying samples?(C117) -
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l


ANSWERS--110 °C (+-5)
8l 8l 8l




If used, how much wetting agent should be used in procedure B? C117 -
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l


ANSWERS--
8l


Enough to produce a small amount of suds when the sample was agitated
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l




Report the amount retained by wash by....?(C117) - ANSWERS--<10%-
8l 8l 8l 8l 8l 8l 8l 8l


report to the .1% 8l 8l 8l


>10%-report to the nearest whole number 8l 8l 8l 8l 8l




How long do you sieve material? C136 - ANSWERS--
8l 8l 8l 8l 8l 8l 8l 8l


so that not more than 1% of material retained on any sieve will pass during 1 minute
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l


of hand sieving
8l 8l




How accurate shall balances be fo fine aggregate? C136 - ANSWERS--
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l


readable to the nearest .1 Gram or .1% 8l 8l 8l 8l 8l 8l 8l




How accurate shall balances be for course aggregate or mixtures? C136 -
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l


ANSWERS--readable to the nearest .5 gram or nearest .1%
8l 8l 8l 8l 8l 8l 8l 8l 8l




What is the significance of C117? - ANSWERS--
8l 8l 8l 8l 8l 8l 8l


Accurate determination of material finer than 75-um in mineral aggregate by washing
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l




What practice is used for sampling aggregate? - ANSWERS--D75
8l 8l 8l 8l 8l 8l 8l 8l




The investigation of potential sample material should be performed by....? D75 -
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l


ANSWERS--A responsible, trained and experienced person
8l 8l 8l 8l 8l 8l

, What should a stockpile be visually inspected of? D75 - ANSWERS--
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l


Discernable Variations 8l




Where shall a sample be obtained where practicable?D75 - ANSWERS--
8l 8l 8l 8l 8l 8l 8l 8l 8l


From the finished product 8l 8l 8l




After a sample is obtained what shall not be done unless required for testing purpose
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l


s? D75 - ANSWERS--Further crushing or manual reduction
8l 8l 8l 8l 8l 8l 8l




What shall be done if there are any discernable Variations in a stockpile? D75 -
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l


ANSWERS--
8l


Corrective action shall be taken to establish homogeneity in the material
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l




If it is necessary to indicate the degree of variation in a stockpile, what shall be done?
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l


D75 - ANSWERS--Separate samples shall be drawn from separate areas of the pile
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l




What increases when sampling from the beginning or the final few tons of a conveyor
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8


belt? D75 - ANSWERS--The potential of obtaining segregated material
l 8l 8l 8l 8l 8l 8l 8l 8l




When should method A be used in a standard proctor? D698 - ANSWERS--
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l


When 25% or less material is retained on a No. 4 sieve
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l




When should method B be used for standard proctor? D698 - ANSWERS--
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l


When 25% or less material is retained on a 3/8" sieve
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l




When should method C be used for standard proctor? D698 - ANSWERS--
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l


When 30% or less material is retained on a 3/4" sieve
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l




When should a correction factor be established on a standard proctor? D698 -
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l


ANSWERS--When the test specimen contains more than 5% of oversize fractions
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l




for purposes of comparing measured or calculated values, what shall the value be ro
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l


unded to? D698 - ANSWERS--The nearest decimal or significant digit
8l 8l 8l 8l 8l 8l 8l 8l 8l




The procedures in D698 are considered...? - ANSWERS--industry standard
8l 8l 8l 8l 8l 8l 8l 8l




Define Standard Effort....D698 - ANSWERS--12,400 ft-Ibf/
8l 8l 8l 8l 8l


ft3 compactive effort applied by equipment in D698
8l 8l 8l 8l 8l 8l 8l




Define Standard Optimum Water Content....D698 - ANSWERS--
8l 8l 8l 8l 8l 8l


The molding water content at which soil can be compacted to the maximum dry unit
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l


weight using standard compactive effort
8l 8l 8l 8l




Define oversized fractions...D698 - ANSWERS--
8l 8l 8l 8l


The portion of a sample that does not pass through the required sieve in D698
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l




Laboratory compaction tests provide...D698 - ANSWERS-- 8l 8l 8l 8l 8l


determination of the percent compaction and molding water needed to achieve engin
8l 8l 8l 8l 8l 8l 8l 8l 8l 8l 8l


eering requirements 8l