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Proper weight of mix for gyratory compactor correct answers Around g. Determined through the mix design process to achieve the height of 115 +/- 5mm Required amount of mix for Gmm (rice) samples? correct answers g total or grams individually for two flasks Required amount of mix for ignition samples? correct answers Depends on the mix. SP & FC 5, 9.5, 12.5 are 1500g. SP 19 is 2000g Asphalt burns off at what temp correct answers 538°C (1000°F) The furnace must be capable of what temperature correct answers 650°C (1200°F) Flasks should be calibrated at what temperature and how often? correct answers 77 +/ 2°F of water and once a month or 0.4 grams of dry weight How many parts of wetting agent to water correct answers 1ml wetting agent to 1000ml water The vacuum applied to flasks for GMM correct answers 30 +/- 2mm Vacuum pressure for GMM must be reached within correct answers 2 minutes The Orbital Shaker must oscillate at correct answers 270 +/- 10 rpms The vacuum and oscillating test for GMM then continues for how long when it reaches target pressure correct answers 15 +/- 2minutes Gyratory compaction angle is correct answers an internal angle of 1.16 +/- .02 degrees Ram pressure for gyratory compaction is correct answers 600 +/- 18 kpA perpendicular to the axis RPM the gyratory compactor operates at correct answers 30 +/- .5 gyrations a minute Gyratory (GMB) and Rice (GMM) samples must be conditioned at what temp and for how long correct answers compaction temp +/- 9 for 1 hour +/- 5minutes and mix should be within +/-20° of compaction temp The mold and base plate for the gyratory compactor should be in the oven for how long correct answers 30 to 60 minutes Target specific height for pills correct answers 115.0mm +/- 5mm
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- May 2, 2024
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- Questions & answers