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
-devel...
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
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