ASPHALT FIELD LEVEL I EXAM 2024 EXAM QUESTIONS WITH 100% CORRECT ANSWERS

ASPHALT FIELD LEVEL I EXAM 2024 EXAM QUESTIONS WITH 100% CORRECT ANSWERS "The _________ should be held before work on a project begins to ensure agreement on the proposed schedule, methods to be used to complete the project on schedule, change orders, and other critical project information. - CORRECT ANSWER Preconstruction conference" "If an unsafe work practice is notices at the job site: - CORRECT ANSWER Corrective action should be taken immediately, even if the paving operation must be shut down until the unsafe practice is changed" "_______ is the key to a safe work environment - CORRECT ANSWER Safety equipment, proper training, communication" "(T or F)Material taken off the roadway when milling may not be used again - CORRECT ANSWER False" "Methods to clean a milled surface may include: - CORRECT ANSWER Air blowing, dampening/flushing with water, sweeping with mechanical broom" "In VA, haul trucks are required to be equipped with tarps: - CORRECT ANSWER All the time" "When using diesel fuel as a release agent, the residue must be dumped: - CORRECT ANSWER Diesel fuel should never be used as a release agent" "(T or F) Some mixed are more prone to segregation than other la and special care must be taken to ensure that the mix load is as uniform as possible - CORRECT ANSWER True" "Hauling equipment (end dump or live bottom trucks) used to deliver mix to the paver should back up until: - CORRECT ANSWER The truck stops just short of the paver contact" "(T or F)The screed heater is more important because it prevents the mix from sticking out I the screed and causing tearing in the mix - CORRECT ANSWER True" "(T or F) When changing trucks during paving, it is best if the paver can be stopped briefly to allow the transfer to be accomplished more easily - CORRECT ANSWER False" "(T or F) When forming a longitudinal joint, it is best not to overlap the cold joint with the end gate - CORRECT ANSWER False" "Environmental factors that can impact compaction include: - CORRECT ANSWER Air and ground temperature & windspeed" "Normal values of nominal amplitude for a vibratory roller range from: - CORRECT ANSWER 0.04 to 0.08" "When a mat is being compacted, what is the minimum overlap between roller passes - CORRECT ANSWER 6"" "(T or F) In general, the vibratory roller should be operated at as high a frequency as possible. The use of the highest possible frequency of vibration increases the number of impacts per foot at a given roller speed - CORRECT ANSWER True" "May problems fall into the following primary categories: - CORRECT ANSWER Equipment related problems & mixture related problems" "(T or F) Mat problems that occur at the time of asphalt mix production are due only to laydown and compaction - CORRECT ANSWER False" "______ is caused by the improper operation of a vibratory roller - CORRECT ANSWER Washboarding" "The most serious problem associated with asphalt placement is: - CORRECT ANSWER Material segregation" "________ normally occurs when heavy traffic passes over an unstable or poorly compacted mix - CORRECT ANSWER Rutting" "(T or F) Roller marks are normally an indication that the proper level of compaction has not been achieved - CORRECT ANSWER True" “In terms of contracts, which of the following is the highest priority? - CORRECT ANSWER Special Provision Copied Notes" "_____ are approved additions and revisions to the standards specifications - CORRECT ANSWER Special or supplemental specifications" "Daily meetings held at a project site or plant location that provide a forum for the exchange of information called: - CORRECT ANSWER Informal meetings" "A prime coat is required in which of the following situations - CORRECT ANSWER When required by the contract" "(T or F) The purpose of a tack coat is to ensure a bond between the existing pavement surface and the new asphalt overlay - CORRECT ANSWER True" "What could cause poor bonding on an asphalt overlay on a milled pavement? - CORRECT ANSWER Dirt, dust, or scabbing left on the milled surface" "(T or F) Conventional tack coat materials should be used between the months of May and September - CORRECT ANSWER False" "The _________ is the amount it asphalt cement remaining on the pavement surface after the water has evaporated - CORRECT ANSWER Residual tack coat rate" "The ________ is the amount of asphalt binder remaining on the pavement surface after the water has evaporated, which is typically between ___________ gal/yd^2 - CORRECT ANSWER Residual rate; 0.04 to 0.06" "A material transfer vehicle can improve asphalt placement by: - CORRECT ANSWER Helping to reduce segregation, allowing for more continuous supply mix, eliminating trucks bumping into the paver" "(T or F) Banging the gate of the delivery truck is highly recommended because it helps to ensure that none of the mix is wasted by being left in the truck - CORRECT ANSWER False" "The truck transportation for mix delivery should be planned in a way that: - CORRECT ANSWER Matches the laydown rate by the paver and plant production rate as closely as possible" "(T or F) The paver consists of two primary parts: the tractor unit and the screed - CORRECT ANSWER True" "_________ regulate the amount of mix that can be delivered to the augers - CORRECT ANSWER Conveyor flow gates" "When the strike-off device is set too low, which of the following problems can occur: - CORRECT ANSWER The screeds angle of attack must be altered, not enough mix is allowed under the screed, excessive wear on the back of the screed" "(Tor F) The interaction of paver speed l, material feed rate, and tow point elevation determine the screed position without the need for direct manual input - CORRECT ANSWER True" "Which of the following factors can impact mat thickness and smoothness - CORRECT ANSWER Paver speed, material feed rate, tow point elevation" "Where should longitudinal joints be located - CORRECT ANSWER Approximately 6" or more offset from the joint in the layer below" "There are several variables associated with rollers that can be adjusted from job-to-job. These variables are: - CORRECT ANSWER Number of rollers, roller speed, number of roller passes over a given area of the mat, roller pattern" "The _________ is the first device used to compact the mat and may be operated in the vibratory mode - CORRECT ANSWER Screed" "(T or F) There is only one right way to roll a transverse joint - CORRECT ANSWER False" "The three basic phrases in the rolling process - CORRECT ANSWER Breakdown; intermediate; finish" "MAT Tearing or pulling of the asphalt mix under the screed of the paver is most often observed: - CORRECT ANSWER In the center of the lane, on the outside edges of the lane, across the full lane width" "______ is defined as a short transverse cracks which occur in the surface of the AC mat at some time during the compaction process: - CORRECT ANSWER Checking" "Which of the following causes problems with mat texture or uniformity - CORRECT ANSWER Fluctuating hard of material, screws being set too low, screed plate being worn out, running hopper empty between loads"