NICET Level 2 Asphalt Exam with accurate detailed solutions

NICET Level 2 Asphalt Exam with accurate detailed solutions || || || || || || || ||




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




2. Remove 4" of outermost layer
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3. 3 increments placed on sample container
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What is open-graded Asphalt? - ✔✔Top course permeable layer that supports drainage, tire
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dampening and road spray || || ||




What is dense-graded Asphalt? - ✔✔Base or binder course that have larger nominal size
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aggregates. Low water impermeability, strength and improves freeze/thaw cycles
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Existing surface preparation inspection: Structurally Sound - ✔✔Cracks and other structural
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defects must be prepared to minimize reflective cracking. surface must be non-compressible and
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capable of bearing traffic loads
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Existing surface preparation: Well Drained - ✔✔1. Surface must not be undermined by water
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intrusion. ||




2. Water should not collect around roadbed
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3. Roadbed should promote positive drainage
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Existing Surface Preparation: Properly Graded - ✔✔Elevation prepared to proper slope and
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crown