Verified Answers Graded A+
What is an appropriate wetting agent to use for sieving through a No.200 sieve?
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)
110 °C (+-5)
If used, how much wetting agent should be used in procedure B? C117
Enough to produce a small amount of suds when the sample was agitated
Report the amount retained by wash by....?(C117)
<10%-report to the .1%
>10%-report to the nearest whole number
How long do you sieve material? C136
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
readable to the nearest .1 Gram or .1%
How accurate shall balances be for course aggregate or mixtures? C136
readable to the nearest .5 gram or nearest .1%
What is the significance of C117?
Accurate determination of material finer than 75-um in mineral aggregate by
washing
What practice is used for sampling aggregate?
D75
The investigation of potential sample material should be performed by....? D75
A responsible, trained and experienced person
What should a stockpile be visually inspected of? D75
Discernable Variations