Engine 2014: Electricity

1. A In an emergency, the battery charger source voltage is from the 24 V interior communications bus.
2. B It is possible to configure the charger to charge the same battery that is connected to the 24 V interior communications bus.
3. C Depending upon the switch position, at any given time, one battery is on charge from the battery charger and the other battery is on service delivering DC power to the 24 V interior communications bus.
4. D The battery charger receives AC power from the 120 VAC section of the emergency section only when the electric plant is in the emergency mode of operation.

Tip: press A-D to answer