BOEING 737 NG FIRE PROTECTION

The power source for Engine Fire Extinguishing is: Transfer Bus No.1. The Switched Battery Bus. The Hot Battery Bus. None of the above.

Placing the TEST switch in the FAULT / INOP position tests: The engines overheat detectors. The fault detection circuits for both engines and the APU. The APU DET INOP light, FAULT light and APU BOTTLE DISCHARGE.

Main wheel well fire protection consists of fire detection powered by the: Battery bus. No.1 AC Transfer bus. Switched hot battery bus.

A dual fire detector loop is installed in the main wheel well. True. False.

Cargo compartment smoke detection is powered by : Hot battery bus. Switch hot battery bus. Transfer bus No.1. DC bus 1 and DC bus 2.