RTT Certification Exam Questions And Answers | Complete Solution Graded A+

A lot of asphalt can consist of more than one days production if less than 500 tons (500 mg) is produced - true A one-point proctor (1/30 cubic feet) should receive _____blows per layer of soil. - 25 A representative sample of GAB approximately 2000 grams of wet material is used to determine moisture content - true A soil sample weight is 500 grams, the dry weight is 430 grams. What is the percent moisture? - none of the above A superpave mixture with the same blend of materials specified in the job mix formula is placed at different mix design levels or used for leveling at a spread rate of ______lbs per sq yd or less, is also used for the surface mix at a spread rate greater than ______lbs per sq yd. An additional adjustment period will be allowed for compaction only. - 90,90 According to GDOT standard specification 400. density tests are not required for aliphatic concrete placed at 90 yds or less - true All of the loosened material for the full depth must be ______ and _______ - removed and retained Contractors shall be responsible for ensuring that the asphalt plant mixture us within the allowable tolerance specified in Section 828 prior to beginning the Roller Densification of the mixture - True Dry density divided by max density equals - % compaction During subgrade construction the entire surface of the in-place sub-grade shall be plowed, harrowed, and mixed to a depth of atleast _____. After thoroughly mixing and brought to plan line and grade it shall be compacted to _________ of the max lab dry density - 6 inches, 100%Embankment material placed within 10 feet of a bridge structure shall be material that does not contain rock larger than _______inches for any dimensions - 3 Embankment Material placed within 1000 feet of a bridge structure 8 ft below grade shall be compacted to ___ percent of the maximum dry density - 100% For a lot to receive a pay factor of 1.00 for compaction acceptance, the Air Void range cannot exceed_____________ for new construction or _______ for resurfacing projects per section 400. - 4%, 5% In which of the following situations does the 5 percent reduced pay factor for void range not apply. - During the adjustment period and when all results are below 7.0% Test Method GDT________ established the theoretical maximum dry density for soils having less than 45 percent retained on the No.10 si