3E251O Practice Test

Listed below are sample questions for 3E251O from our database. Register now to start taking tests for this AFSC! We have 324 questions currently in the database for this category.

The version of this CDC we have in the database is v1

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  • 1 . 98. (428) What are the primary materials we use for the expedient marking of the minimum operating strip (MOS)?
    White paint with reflective beads.
  • 2 . 13. (204) Where should you look to determine the type of fluid (engine oil, fuel, etc.) required on a front-end loader?
    Technical order (TO) or owner manual.
  • 3 . 64. (218) On the crawler type dozer, why do you allow the engine to idle three to five minutes before shut down?
    Prevent damage to the turbo charger.
  • 4 . 28. (208) When spreading material with scrapers, why should you route the scrapers so their tracks overlap?
    To promote compaction.
  • 5 . 29. (208) When spreading materials with a scraper, why should you make the fill high on the outside edges?
    To prevent the scraper from sliding over the edge.
  • 6 . 18. (405) Which fuel bladder berm is the least desirable?
    Above ground level.
  • 7 . 66. (219) What do you do if you are ripping material and your dozer continually lags or stalls?
    Reduce the number of teeth.
  • 8 . 74. (420) Who determines how much fill material is needed at the rapid runway repair (RRR) crater sites?
    Crater NCOIC.
  • 9 . 19. (206) What is the efficient operating range of a scraper?
    300 feet.
  • 10 . 33. (209) What can you do to eliminate bouncing when traveling with a scraper unit?
    Carry the scraper bowl low to the ground.