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1. Differences between standard and modified proctors - Correct Answer:
Modified yields 10-15% higher max dry density and 23-30% higher opt
moisture
2. CH Max Dry Density and Opt Moisture - Correct Answer: 75-105
19-36
3. CL Max Dry Density and Opt Moisture - Correct Answer: 95-120
12-24
4. ML Max Dry Density and Opt Moisture - Correct Answer: 95-120
12-24
5. SC Max Dry Density and Opt Moisture - Correct Answer: 105-125
11-19
6. SM Max Dry Density and Opt Moisture - Correct Answer: 110-125
11-16
,7. SP Max Dry Density and Opt Moisture - Correct Answer: 100-120
12-21
8. SW Max Dry Density and Opt Moisture - Correct Answer: 110-130
9-16
9. GC Max Dry Density and Opt Moisture - Correct Answer: 115-130
9-14
10.GP Max Dry Density and Opt Moisture - Correct Answer: 115-125
11-14
11.GW Max Dry Density and Opt Moisture - Correct Answer: 125-135
8-11
12.Method A Testing Method - Correct Answer: 4in mold
passing #4 material
25 blows
13.Method B Testing Method - Correct Answer: 6in mold
passing #4 material
56 blows
14.Method C Testing Method - Correct Answer: 4in mold
, passing 3/4in material
25 blows
15.Method D Testing Method - Correct Answer: 6in mold
passing 3/4in material
56 blows
16.Review Lab Proctor steps and calcs - Correct Answer:
17.One Point Proctor - Correct Answer: Just like JMU proctor
18.Review "speedy" moisture test - Correct Answer:
19.AASHTO T-99 - Correct Answer: Standard Proctor
20.AASHTO T-180 - Correct Answer: Modified Proctor
21.Before testing with a nuc gauge, what do you do - Correct Answer:
Pretest warm up, RAM test
22.When testing +4 material, what do you refer to - Correct Answer: WTM-
1 and WTM-12
23.How long do you test for - Correct Answer: set to 1 minute
, 24.What three figures are needed to calculate +4 material - Correct
Answer: percentage of the +4 material
material's specific gravity
maximum density of the minus 4 material
25.The more +4 material, the more.... - Correct Answer: the more +4
material the lower opt moisture
26.Step to calculate for +4 material - Correct Answer: test and calculate
percent of +4
calculate the corrected maximum density
calculate the corrected opt moisture and moisture limits
apply corrected values for the field density test
27.Form TL-124A - Correct Answer: report of Nuclear Embankment
Densities
28.Determining the amount of +4 material - Correct Answer: 5.5lb of
sample
dry
weight
pass through #4 sieve
weight the retained +4
29.Calculating total density of soil with +4 material - Correct Answer:
Dt=(DfxDc)/((PcxDf)+(PfxDc))