2A656 Practice Test

Listed below are sample questions for 2A656 from our database. Register now to start taking tests for this AFSC! We have 373 questions currently in the database for this category.

The version of this CDC we have in the database is 2A656 01 1210, 1212, 1302, Edit Code 04

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  • 1 . In the direct current (DC) power supply system, the reverse current relays (RCR) deenergize when the potential at the
    GEN terminal is less than the battery terminal
  • 2 . What kind of pliers are mainly for holding or bending flat or round stock?
    Combination slip-joint
  • 3 . If the numbers 4 and 5 non-electrostatic application (NESA) pilot's windows are inoperative and the number 3 window is operational, you would first check for
    continuity in the thermal switch and wiring.
  • 4 . Which emergency alternating current (AC) power system component prevents the emergency generator from dropping off-line when the aircraft lands?
    Emergency power interlock relay (EPIR)
  • 5 . Placing the landing gear control handle in the up position provides 28 volts direct current (VDC) from the
    essential DC bus
  • 6 . This component stops the flow of air to the air-conditioning system.
    System shutoff valve
  • 7 . What relays connect the auxiliary power source to the aircraft buses?
    Bus tie connector (BTC)
  • 8 . If the normal battery is supplying direct current (DC) to the battery bus and emergency DC bus, your first step in troubleshooting is to
    know system operation
  • 9 . Bench stock supplies should be replenished when the authorized quantity on-hand drops below what amount?
    50%
  • 10 . What component holds a liquid agent and a nitrogen charge in a liquid-agent fire extinguisher container?
    Frangible disc