How many samples are required to create a composite sample? -
ANSWER -3 samples
When core sampling, where should nuclear density gauge test be
taken? - ANSWER -Test should be taken prior to coring in same
location
What is a "Lot" comprised of? - ANSWER -A lot is split up in 5
different samples called "Sublots"
When sampling from a paver auger, where should the sample be
taken? - ANSWER -Sample should be taken from the end of the auger
When sampling from roadway, where should sample be taken? -
ANSWER -Immediately behind paver and Infront of breakdown roller
When sampling from roadway, how far away should rollers stay
away? - ANSWER -Rollers should be 10' away from sampling area
When sampling from the roadway, what're the type of sampling
methods? - ANSWER -Plate with cookie cutter, Plate method,
nonplate method
, What is the requirement when using plate method for sampling from
roadway? - ANSWER -1. Plate is placed 10' Infront of paver and at
least 2' on the inside edge of the mat
2. 3 samples must be acquired
What are the requirements when sampling from a paver? - ANSWER -
1. Trim 8-12" before taking sample
2. Remove 6-10" of material in center of hopper
3. Take sample directly into vertical face
What are the requirements for sampling from stockpiles? - ANSWER -
1. Remove 4" of outermost layer
2. Obtain sample as close as possible to the intersection of horizontal
and vertical face.
How many sections should be split from a sample container when "
sample splitting"? - ANSWER -4
What are the requirements for sampling from a loaded truck? -
ANSWER -1. Truck should be split into 4 different quadrants
2. Remove 4" of outermost layer
3. 3 increments placed on sample container
What is open-graded Asphalt? - ANSWER -Top course permeable
layer that supports drainage, tire dampening and road spray
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