B777 Fire ProtectionHome / Quiz Page / B777 Fire Protection Boeing 777 Fire Protection Boeing 777 Fire Protection 1 / 15 The APU has only one fire extinguisher bottle. False. True. 2 / 15 Which statement is true concerning a lavatory fire? There is no built-in fire extinguisher for the lavatories An automatic spinkler system activates if a fire is detected. An aural warning activates and a light illuminates outside the lavatory if smoke is detected. The lavatory fire extinguishing system is activated by a discharge switch on the overhead panel. 3 / 15 After a forward cargo fire has been extinguished, what happens when the AFT CARGO FIRE ARM switch is now pushed? The arming functions for the AFT CARGO FIRE ARM switch activate and the metered bottles dicharge into the aft compartment. The arming functions for the AFT CARGO FIRE ARM switch activate, but discharge into the aft compartment does not occur. The arming functions for the AFT CARGO FIRE ARM switch do not activate. 4 / 15 Where are the lavatory fire extinguishers located? In the water sink compartment. Under the floor. Behind the storage cabinets. In the waste container cabinet. 5 / 15 What does the DET FIRE CARGO AFT EICAS message indicate? The aft cargo fire heat sensor is inoperative. There is a detection zone fault in the smoke detector for the aft cargo compartment. Fire detection for the aft cargo compartment is not available. A fire has been detected in the aft cargo compartment. 6 / 15 How many detectors loops does each each engine have and what states may each loop signal? There are two loops. The different possible states are: normal, overheat, fire and fault. There are three loops. The different possible states are: fire, overheat, and fault. There is one loop. The different possible states are: normal, overheat and fault. There are two loops. The different possible states are: normal and fault 7 / 15 What fire, overheat, or smoke protection is provided for the lavatories? Overheat only. Fire only. Fire, overheat, and smoke. Smoke only. 8 / 15 What action should you take if the fire switch remains locked after a fire is detected? Rotate the fire switch. Wait until the fire light extinguishes. Push the fire override switch and then pull the fire switch. Pull the fire switch to override the lock. 9 / 15 What happens when an APU fire is detected on the ground and the engines are shut down? The APU shuts down automatically and the fire bottle discharges automatically. The APU shuts down automatically but the fire bottle must be discharged manually The APU does NOT shut down automatically and the fire bottle must be discharged manually. The APU does not shut down automatically but the fire bottle discharges automatically 10 / 15 When is the EICAS message BOTTLE DISCH CARGO displayed? When the first two bottles have completely discharged. When all bottles are completely discharged. When the fire extinguishing system fails. When the extinguisher bottles begin to discharge. 11 / 15 Engine Fire and Overheat Detection - There are two detector loops in each engine nacelle. Each detector loop provides both fire and overheat detection. Normally, both loops must detect a fire or overheat condition to cause an engine fire warning or overheat caution. False. True. 12 / 15 The APU compartment has dual fire detector loops and can detect overheat conditions. False. True. 13 / 15 What does the ENG BTL DISCH illuminated amber light indicate? The extinguisher bottle is has low pressure or overpressure. The extinguisher bottle is discharged or has low pressure It indicates which bottle is armed to be discharged. The extinguisher bottle has overpressure 14 / 15 During preflight, you notice the BOTTLE DISCH APU message displayed on EICAS. What does this mean? The APU fire bottle has discharged. This is a normal indication prior to APU start. The APU fire bottle squibs are inoperative. The APU fire bottle is missing. 15 / 15 How many fire extinguisher bottles are installed for the cargo compartment fire extinguishing? 3 4 2 5 Your score is