1. The pulling out (or down) of an illuminated fire handle in a typical large jet aircraft fire protection system commonly accomplishes what events? A. Closes all firewall shutoff valves, disconnects the generator, and discharges a fire bottle. B. Closes fuel shutoff, closes hydraulic shutoff, disconnects the generator field, and arms the fireextinguishing system. C. Closes fuel shutoff, closes hydraulic shutoff, closes the oxygen shutoff, disconnects the generator field, and arms the fire-extinguishing system.