Asphalt Field Level I Test Questions And Answers Rated A+ New Update Assured Satisfaction

Hierarchy of construction documents (least to most) - Standard drawings, Standard specs, Supplemental specs, Plans, Special provisions, Special provisions copied notes Which construction documents details approved additions and revisions to the standard spec - Supplemental specs This ensures an adequate bond between the existing pavement surface and the new asphalt overlay so that slippage and delamination do not occur - Tack coat Which tack coat can be used prior to May and after September? - Conventional Which tack coat can be used year round, and must be used from May through September? - Trackless What is the range of proper tack coat application? (in gal/yd^2) - .05 to .10 Proper tack coat will leave a residual asphalt cement content ranging from approximately...? (in gal/yd^2) - .04 to .06 Most asphalt emulsions contain __% to __% residual asphalt cement - 60, 65 Most asphalt emulsions contain __% to __% water - 35, 40 When is a prime tack coat required? - When required by the contract What could cause poor bonding on an asphalt overlay on a milled pavement? - dirt, dust, scabbingAir blowing the surface, dampening/flushing surface with water, and sweeping with mechanical broom can all be used to..... - clean a milled surface This truck delivers mix directly into the hopper of the paver - End dump truck This truck employs a conveyor belt in the bottom of the truck bed to discharge asphalt mix - Live bottom truck This allows the paver to be operated almost continuously when a continuous supply of mix is available from the asphalt plant - MTV This eliminates the problem of haul trucks bumping into the paver and segregation - MTV What is the correct way to load a truck with asphalt? - There is no one correct way What cannot be done to asphalt so that it is warm upon arrival at the jobsite - Overheat What should never be used as a dump truck release agent? - Diesel This is used to determine the amount of mix in the auger chamber - Feed control sensor As required in Virginia, what must be coated with a heavy tack coat for proper joint adhesion? - Cold side Pushing mix off of the old lane and onto the new mat directly over the joint is called - Bump When it comes to joint overlapping, mix should not be __________ across the new lane - rebroadcast This regulates the amount of mix that can be delivered to the augers - Conveyor flow gatesThe paver consists of what two primary parts? - tractor, screed