3E451O Practice Test

Listed below are sample questions for 3E451O from our database. Register now to start taking tests for this AFSC! We have 400 questions currently in the database for this category.

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  • 1 . 37. (209) Which one of the following is not the responsibility of the MAJCOM fuels engineer’s representative during the contract cleaning of a fuel tank?
    To stop the contractor’s work for contract violations
  • 2 . 28. (207) At what level must the automatic bleeder vent supports be set when preparing for an internal inspection and cleaning?
    6 feet.
  • 3 . 80. (231) The emergency-stop switches have what type of contacts and complete which circuits?
    Closed; low-voltage for the fuel transfer pump control
  • 4 . 73. (628) How many inches of earth should you apply to the daily waste in an area landfill?
    6
  • 5 . 70. (421) At what pounds per square inch does the 58AF–3 pressure control valve close?
    75.
  • 6 . 31. (207) What is the inspection frequency for the fabric seal on a floating roof tank?
    Monthly
  • 7 . 34. (208) How would you take care of internal corrosion for the low-level control attached to the liquidometer?
    Wire brush clean and replace the cover gasket
  • 8 . 37. (414) What type of ground rods are hydrant outlets grounded to in the piping system of the Type II Hydrant System?
    Galvanized/stainless steel.
  • 9 . 33. (614) What occurs when the end connectors or the interconnectors of the reverse osmosis water purification unit get damaged by high pressure?
    Osmosis
  • 10 . 53. (621) How much water is required to prime the pump on the Basic Expeditionary Airfield Resources latrines deployable pump?
    3 quarts