2A651S Practice Test

Listed below are sample questions for 2A651S from our database. Register now to start taking tests for this AFSC! We have 397 questions currently in the database for this category.

The version of this CDC we have in the database is (V1, 1306 EC 01)-(V2, 1307 EC 01)-(V3, 1307 EC 01)-(V4, 1307 EC 01)

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  • 1 . What type of fuel control uses items such as thermocouples, relays, amplifiers, and solenoids to help control a jet engine?
    Electrohydromechanical.
  • 2 . An aircraft taxiing at a steady speed can be used to demonstrate
    Newton’s first law of motion
  • 3 . What type of rule should you use for measuring an inside diameter?
    Slide caliper.
  • 4 . The length of a torque extension is determined by the distance between the center of the square drive and the center of the
    broached opening.
  • 5 . Which bearing is located in the low-pressure turbine (LPT) module of the F119–PW–100 engine?
    No. 5 bearing.
  • 6 . What are microscopic metallic particles in the oil system called?
    Wear metals.
  • 7 . How far does a propeller’s axis of rotation extend?
    10 feet to the front and 5 feet from the rear.
  • 8 . How many British thermal units (Btu) does the heat content per pound of kerosene produce?
    18,500
  • 9 . The F100 UFC senses certain variables from the engine through the use of
    a closed loop design.
  • 10 . You should record the removal and replacement of engine accessories on the following Air Force technical order (AFTO) Forms
    95.