Boeing 777 Maintenance / Systems Quiz

What happens when the engine fire switch is pulled?. Hydraulic fluids return to reservoir. Hydraulic pump depressurised. Hydraulic pump continue operation.

When the Vertical Navigation (VNAV) mode is active it will be shown on. Primary Flight Display (PFD). Navigation Display (ND). Both Primary Flight Display (PFD) and Navigation Display (ND).

The power for the captain and first officer seats is: Single phase 115V AC from standby bus. Three phase 115V AC from service bus. Three phase 115V AC from utility bus.

How do the air chillers work?. Using cold air from the airconditioning packs. Using ambient cold air. On the vapour-cycle principle.

Which galleys have their air chillers above the galley. The galleys forward of the aft cabin doors. The galleys aft of the aft cabin doors. All the galleys.

What do you need to make sure during the replacement of a PDU on the cargo loading system?. Electrical resistance between the PDU and airframe is acceptable. The PDU mounting base is properly secured to the airframe. The PDU is correctly installed on the PDU mounting base.

If cargo compartment fiberglass liners have damages like cuts, tears or holes in specified limits: The repair is optional. You must repair. You must replace the liners.

What is the function of the stowage bin snubbers?. Dampen out airframe vibrations. Dampen the movement of the suitcases inside the stowage bin. Control the rate at which the stowage bins open and close.

What does the EICAS status message MAIN GEAR STEERING indicate?. The main gear steering has an internal fault. The main gear steering is in operation. The main gear steering actuator lock out handle is in the OFF position.

The landing gear proximity sensors send signals to: Landing gear control system. Proximity sensor electronics unit. Aircraft information management system.

When pilots move the aileron trim switches, the aileron trim actuator operates to move: Aileron and flaperons. Aileron and spoilers. Aileron only.

Which modes of operation of the high lift devices use electrical power to move?. Secondary and alternate. Primary and backup. Primary and secondary.

On the cabin service system (CSS), which control panel is used to select the CABIN MAINTENANCE menu: Indistinctly, the CSCP or the CACPs. The cabin system control panel (CSCP). The cabin area control panels (CACPs).

How can the printer be tested?. By accessing the printer menu on the maintenance access terminal (MAT). By pushing the momentary TEST button on the printer. By the printer menu on the data communication management system (DCMS).

Which of the following sequences describe how a pilot announcement is transmitted from the flight deck to the passenger cabin: The pilots use the flight interphone system to make announcements. The announcement audio goes from the audio management unit (AMU) to the in-flight entertainment (IFE) system. The pilots use the cabin interphone system to make announcements. The announcement audio goes from the audio management unit (AMU) to the passenger address/cabin interphone (PA/CI) controller. The pilots use the flight interphone system to make announcements. The announcement audio goes from the audio management unit (AMU) to the passenger address/cabin interphone (PA/CI) controller.

On the passenger service system (PSS), which units control the reading lights, call lights and passenger information signs: The zone management units (ZMUs). The overhead electronics units (OEUs). The cabin area control panels (CACPs).

In the event of a cabin interphone system (CIS) failure, how can the flight attendants make PA announcements?. By selecting a momentary DIRECT ACCESS switch located on the front of the cabin attendant handsets at door 1 left and door 3 left. By selecting a momentary DIRECT ACCESS switch located on the front of the cabin attendant handsets at doors 1 left and right, and doors 3 left and right. By selecting a momentary DIRECT ACCESS switch located on the front of the cabin control panel which allows PA announcements from door 1 left or door 3 left.

Where are the zone management units (ZMU) located?. On the main equipment center. On the bottom of each seat group. Above the cabin ceiling.

Under what conditions does the ground crew call horn activate?. Equipment cooling failure or Air Data Inertial Reference Unit is left on without aircraft dc power. APU auto shut down occurs or Air Data Inertial Reference Unit (ADIRU) malfunction. Equipment cooling failure or Air Data Inertial Reference Unit (ADIRU) is left on without aircraft ac power.

How many VHF systems are installed on the Boeing 777?. 1. 3. None.

Which bus must be powered for the equipment centre lights to operate?. Battery bus. Ground service bus. Ground handling bus.

When replacing a logo light assembly, what must you be aware of?. Not to swap forward and aft light assemblies. The arrow points inboard. Ensure the water drain is connected.

What component contains the logic for the lavatory calls?. ZMU (zone management unit). CSCP (cabin system control panel). AIMS (airplane information management system).

Which of the following statements is correct about the strobe and beacon lights?. The strobes and beacons all flash independently. The strobes and beacons flash at the same time. The strobes flash together and the beacons flash together.

What is the purpose of the ground maneuver camera lights?. Illuminate the area in front of the aircraft with infra red light. Illuminate the main and nose landing gear area. Illuminate the area in front of the aircraft when the taxi lights are off.

Which of the following conditions does NOT activate the fasten seatbelts sign, when in AUTO mode?. Landing gear not up and locked. Engine failure. Passenger oxygen deployed.

What is the purpose of the backdrive actuators?. To provide the flight crew with an artificial feel of the performance of the autopilot flight director system. To provide the flight crew with visual and tactile indication of the performance of the autopilot flight director system. Convert the electrical signals from the autopilot flight director system into command signals to the flight controls.

How many types of software are used by the global communications suite (GCS)?. 6. 3. 1.