2A751 Practice Test

Listed below are sample questions for 2A751 from our database. Register now to start taking tests for this AFSC! We have 448 questions currently in the database for this category.

The version of this CDC we have in the database is 2A751 01 1402, 02 1405, 03 1404, 04 1406 Edit Code 04

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  • 1 . High carbon steels lose their hardness above a machining speed of
    50 fpm
  • 2 . To machine a 1″-diameter carbon steel rod with a selected cutting foot speed (CFS) of 80, you determine the lathe spindle revolutions per minute (rpm) with the formula rpm = (CFS x 4) / d, which results in an rpm of
  • 3 . When you specify threads on a print, you must give the
    threads per inch
  • 4 . To age-harden nickel base alloys, they must be held at what temperature range?
    900 to 1600 °F
  • 5 . Who is responsible for providing a safe work environment for all personnel?
  • 6 . To improve gas tungsten arc welding (GTAW) weldability in free machining steels,
    use a filler that contains high manganese
  • 7 . The T6 designator for aluminum alloys indicates solution heat treated
    and artificially aged
  • 8 . After welding, titanium alloys should be
    stress relieved
  • 9 . Which is not a common wrapping material to put on the anode?
  • 10 . To prevent hot spots when heat treating aluminum alloys, you should use
    a circulating air furnace