3EO51Q Practice Test

Listed below are sample questions for 3EO51Q from our database. Register now to start taking tests for this AFSC! We have 374 questions currently in the database for this category.

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  • 1 . 77. (424) Which approach lighting system maintenance item must be performed daily?
    Check and record burned out lamps.
  • 2 . 69. (420) How do you bypass the interlock switch on the Individual Control Cabinet?
    Pull on the plunger.
  • 3 . 53. (417) What is performed before installing a regulator?
    Pre-installation check
  • 4 . 46. (018) The supervisor must inspect rubber blankets visually every
    6 months
  • 5 . 73. (421) Which of the following is highest priority when troubleshooting the condenser discharge system?
    Getting the lights to flash in sequence
  • 6 . 24. (409) How often must a gas test be made in a confined space?
    Continuously.
  • 7 . 77. (620) What is the primary operating voltage required for the chemically hardened air management plant system?
    208 VAC, three-phase, 50/60 Hz
  • 8 . 81. (032) What is the maximum amount of pole line angle you can have without needing a guy wire?
  • 9 . 78. (621) How much power is required to operate a small shelter system?
    12 kW
  • 10 . Junction boxes located in an underground vault must
    provide a water-tight seal