787 1-2

If one power conditioning module (PCM) fails: The other PCM continues to supply to all CCR cabinet module. Only the GPM's and GG's remain with power. 50% of CCR components are unpowered.

The CCS has: Two CCRs, four ARSs and ten RDCs. One CCR, six ARSs and twenty one RDCs. Two CCRs, six ARSs and twenty one RDCs.

To perform maintenance tasks and tests in the airplane, the system that is used is. ACMF through MFD. ODLF through EFB. CMCF (Central Maintenance Computing Function).

What is the function of the recorder independent power supply (RIPS)?. Is to give power to the forward flight recorder for 10 minutes when aircraft power is not available. Is to give power to the forward flight recorder for 30 minutes when aircraft power is not available. Is to give power to the forward flight recorder for 2 hours when aircraft power is not available.

What components does the head up display (HUD) have?. Projector, combiner and display. Projector only. Projector and combiner.

Where does the L CCR takes power?. Primary power from the 28 VDC CAPT INSTR BUS. Primary power from the 28 VDC HOT BAT BUS. Primary power from the 28 VDC F/O INSTR BUS.

The wired connection connects the maintenance laptop (ML) directly to: Isolated data network (IDN). Common core system (CCS). Open data network (ODN).

The power conditioning module (PCM) senses a voltage less than 18 Vdc on the captain's or first officer's instrument bus, What does the PCM do?. The PCM switches the source to the hot battery bus (HBB) for 11 seconds. The PCM tells the cards in the CCR that threshold of voltage is still good to continue working. The corresponding thermal circuit breaker (TCB) will pop out.

Electronic flight bag is used to: Show primary flight display data. Control the head upper display (HUD). Replace some paper materials (MEL, QRH, etc.).

In CCR, where is the fan and valve assembly located?. On the lower part of the CCR. On the front face of the CCR. On the back part of the CCR.

How many power conditioning modules (PCM) has each CCR?. One PCM only. Four PCMs. Two PCM.s.

Where is the electronic flight bag (EFB) software and data stored?. In a hard drive inside the EFB electronic unit (EU). In a hard drive inside the EFB display unit. In GPM 7.

You use the common computing resources (CCR) reset switches: If there is a loss of flight deck displays. When a PCM is changed. If I need to delete a message.

What is the airplane condition monitoring function (ACMF) purpose?. Engine performance, airplane systems performance and trend analysis of maintenance data. Ramp and transit troubleshooting. Short term and transit troubleshooting.

How many displays show data if one graphics generator fails?. All remainig displays show data. Four displays show data (four HDD only). Six displays show data (five HDD and one HUD).

The graphics generator (GG) transmits data to: Head down display (HDD) only. Head down display (HDD) and head up display (HUD). Remote data concentrator (RDC).

What is the Core Network function that allows you to find and delete loadable software airplane part (LSAP) from the crew information system - maintenance system (CIS/MS) file server module (FSM)?. The Onboard Storage Management Function (OSMF). The On board Data Loading Function. (ODLF). The Central Maintenance Computing Function. (CMCF).

The hosted applications are: Programs to calculate data for many airplane system and functions. Programs to control autoflight function only. Programs to optimize fuel consumption during flight only.

The Remote data concentrators (RDC) have: Controller area network (CAN) bus connections. A and B are correct. ARINC 429 connections.

What is the Remote Data Concentrator main purpose?. The RDC main purpose is to calcule data and gives orders to many systems. The RDC main purpose is to change airplane systems data from analog, discrete, arinc 429, CAN bus data to Arinc664 format. The RDC main purpose is to convert fiber optic signal into electrical Arinc 664 signal.

The CCS starts in inhibited mode if: CCR is reset and airplane is in the air. External power is disconnected. CCR is reset during airplane on ground fuel control switch on cutoff position.

Which of the following components belong to the common computing resource (CCR) cabinets: Network interface module (NIM). ARINC 664 network cabinet switches (ACS). ARINC 664 network remote switches (ARS).

Which of the following system is connected to the isolated data network (IDN)?. CREW WIRELESS LAN UNIT (CWLU) MODULE. SATELLITE COMMUNICATIONS (SATCOM) SYSTEM. MAINTENANCE LAPTOP ETHERNET PORTS.

In what components is the CMCF menu displayed?. On maintenance laptop (ML) and electronic flight bag (EFB). On maintenance laptop (ML), electronic flight bag (EFB) and multifunction display (MFD). On multifunction display (MFD) and electronic flight bag (EFB).

How does the CCS send and receive airplane data?. Through wireless connection in forward and aft E&E compartment. Through a common data network (CDN). By remote data concentrator (RDC) only.

Each HUD has a "Desiccant" to: Prevent moisture droplets in the lense. Prevent overheating in the projector. Remove spurious data.

Where does the central maintenance computing function (CMCF) menus shown is?. Primary Flight Displays (PFDs). Navigation Displays (NDs). Multifunction Dispalys (MFDs), Electronic Flight Bags (EFBs) and Maintenance Laptop (ML).

What is the purpose of the 2 nose gear pressure transducers information?. The FMF uses the data to verify the calculated stabilizer green band position. The TMF uses the data to verify the calculated stabilizer green band position. The DCAF uses the data to verify the calculated stabilizer green band position.

Which of the following system is connected to the open data network (ODN)?. FLIGHT COMPARTMENT PRINTER. CABIN SERVICES SYSTEM CONTROLLER (CSSC). TERMINAL WIRELESS LAN UNIT (TWLU) MODULE.

What is the purpose of the fiber optic translator (FOX) modules?. Send and receive ARINC 664 electrical signal data to and from the general processor modules (GPM). Supply power to all the modules in that cabinet. Convert signals from electrical to optical signals and viceversa.

The fiber optic translator (FOX) is used to: Send data between GPM. Send data to graphic generator. Transfer data between LH and RH CCR through CDN.

How many GPM can you dispatch in defective condition?. One GPM only, provided it is in GPM slot 8 Left or 8 right. Two GPMs. One GPM only, provided it is in GPM slot 1R.

The maintenance laptop-to-airplane connections are: Wired and wireless. Bluetooth. ARINC 429 high speed full.

The ARS, communicate with the other components of the CCS using: ARINC 664 Buses and Fiber optic. Fiber optic only. Only ARINC 664 buses.

Where are the loadable software airplane parts storage (LSAPs) stored for loading to airplane systems?. On the crew information system - maintenance system (CIS/MS) server. On the controller server module (CSM) server. On the common computing resource (CCR) cabinet left only.

Each common computing resource (CCR) contains: Four ACSs, two FOXs, ten GPMs, one PCM. Two ACSs, two FOXs, eight GPMs, two PCMs. Two ACSs, four FOXs, eight GPMs, one PCM.

For the most central maintenance computing function (CMCF) operations, where does the Ground Test (GND TEST) P5 switch position selection is?. NORMAL. ENABLE. DATA LOAD/ENABLE.

In which common core system (CCS) components are the hosted software applications for airplane systems. Graphics generator (GG) modules. General processor modules (GPM). Power conditioning modules (PCM).

The ACS, communicate with the other components of the CCS using: ARINC 664 Buses and Fiber optic. Fiber optic only. Only ARINC 664 buses.

The power conditioning module (PCM) changes 28 Vdc to: =+12,5 Vdc to GPM and +28 Vdc to other components in CCR. =+12,5 Vdc used by all modules in CCR and +28 Vdc to cooling fan and control valve motor. =+12,5 Vdc to cooling components and +28 Vdc to modules in CCR.

The Generator Neutral Relay (GNR): Opens when VFSG operates as a starter and closes when the VFSG operates as a generator. Closes when VFSG operates as a starter and opens when the VFSG operates as a generator. Remains closed normally and opens in case of overload condition.

The service interphone system lets personnel talk with each other from flight compartment and: P40 & P57. Fwd & Aft E/E. P40 & APU Compartment.

The frequency of HF and VHF communication systems is selected through. Their own panels. Tuning Control Panel (TCP). Head-Up Displays (HUD).

How can the Airplane be in the virtual GROUND HANDLING mode?. If aft external power is connected and selected ON, and no other electrical power is supplied. If forward external power is connected but not selected ON, and no other electrical power is supplied. If forward external power is connected and selected ON, and other electrical power is supplied.

How is APU Battery charged?. By a Battery Charger supplied from the F/O INSTR BUS. By a Battery Charger supplied from the CAPT INSTR BUS. By a Battery Charger supplied from the HOT BATTERY BUS.

What is the function of Passenger Service Modules (PSM)?. To control the Boarding Music and Passenger Speakers. To control emergency lights. To control the large passenger information signs and individual lights.

The transformer rectifier units (TRU): Change 235v ac to +/-270v dc for the common motor start controllers (CMSC). Convert 235Volts in 115Volts or 115Volts in 235Volts. Change 235v ac to 28v dc.

Emergency lights get power from batteries if: One VFSG fails in flight. Airplane power fails. All VFSG are lost in flight and APU works normally.

The E-BPSU changes: 28 Vdc to +/- 270 Vdc. 235 Vac to 28 Vdc. 28 Vdc to +/- 130 Vdc.

SATCOM. The diplexer low noise amplifier (DLNA): lets the SATCOM system receive and transmit signals at the same time (full duplex). lets the SATCOM system receive or transmit signals at a time (half duplex). lets the SATCOM system receive signals only.

Current Return Network (CRN) provides: Return path for normal and fault AC and DC current. Return path for normal AC current only. Path between main AC busses.

How many Cabin Zone Units (CZU) are there in the A/C? Elegir una única respuesta. Only one for the whole A/C. 3, one for each one of the 3 zones. 2, one for BussinessClass, and one for economy.

What is the function of CBIC?. Monitor and control electronic circuit breakers. Is used to control and monitoring contactors (ELCC's, BTB, etc.). Monitor and control the electrical power system.

To get the health status (failures) of the Cabin Service System, in the Cabin Service System Controller (CSSC), the access is through: CAP (Cabin Attendant Panel) only. Either the Maintenance Laptop or CAP. The Maintenance Laptop only.

Battery diode module (BDM) is used to: Rectify DC voltage on dc system. Make sure the main battery can be charged by battery charger only. Keep the main battery charged from external power directly.

During Emergency Light TEST , the signal to the remote WCU is: Wired. During test the remote WCU are not used. Wireless.

What kind of HF antenna is used in the 787-9?. It is a blade type antenna. It is a integral type antenna, located on the leading edge of the vertical stabilizer. It is a wire type antenna.

The start power unit (SPU): Change 28v dc from the APU battery to 115v ac for APU battery start. Change 235v ac to 28v dc. Change 235v ac or 115v ac to +/-270v dc for the common motor start controllers (CMSC).

The Cabin Attendant Handset has interface with... a Passenger Service Modules (PSM). a Speaker Drive Modules (SDM). a Cabin Zone Unit (CZU).

The BACK UP BUS is able to supply: The L 115VAC and R 115VAC busses. The CAPT INSTR BUS and F/O INSTR BUS. The 28VDC L-TRU, 28VDC C1-TRU, 28VDC C2-TRU and 28VDC R-TRU busses.

The AOHE has an Air Valve which is controlled by: By the Generator Control Unit (GCU). By the Bus Power Control Unit (BPCU). The Engine Electronic Controller (EEC), (FADEC).

Which of the BATTERY indicator lights show a minimum of 30 minutes remains before battery charge is depleted during test?. HIGH. MEDIUM. LOW.

The GATU transform: 235 Vac to 28 Vdc. 115 Vac to 28 Vdc. 235 Vac to 115 vac.

The power for the emergency lights comes from: Aircraft Battery. WELS control units (WCU) Batteries. RPDUS (115 Vac).

The Cabin Zone Unit (CZU): Are touch screen. Changes the digital signal to analog audio. Controls cabina area lighting.

What component change 235 vac or 115 vac to +/- 270 vdc?. ATUs. ATRUs. CMSCs.

Where can you control the emergency lighting system?. From P5 only. From CAPs. From P5 or master attendant switch panel (ASP).

SELCAL. In which unit are located the "SELCAL", decoder function?. In the AGUs. In the HF transceivers. In the VHF Transceivers.

What happens with the audio signals if the common data network (CDN) fails?. The audio communication will be inoperative untill the end of flight. The audio is sent through the audio gateway unit (AGU) for backup. The crew will use the audio override panel to reconfigure the system.

What is meaning of EICAS msg, RADIO TRANSMIT CAPT, F/O or OBS?. A VHF or HF communication transceiver is not modulating the signal. A VHF or HF communication system transmits for more the 30 seconds. Some of the flight crew members want to use VHF or HF transceivers.

To establish comunication between the Flt interphone system and Service interphone: The "SVC Intph" sw, in the P5, in ON position. The TCP, selection mode in CAB. The ACP, "CAB MIC SW" in ON position.

What is the function of ATUs (autotransformer units): Change 235Vac to +/-270Vdc for the common motor start controllers (CMSC). Change 235Vac to 28Vdc. Convert 235Vac in 115Vac or 115Vac in 235Vac.

The VFSGs are used for: Generation system only. Generation system and start motor. Start motor only.

The main function of Remote Power Distribution System (RPDS) is: It supplies 28 Vdc and 115 Vac to electrical loads of 10 Amps or less. It supplies 28 Vdc and 115 Vac to electrical loads of 10 Amps and more. It supplies 28 Vdc and 115 Vac to electrical loads of 50 Amps or less.

Which component is used to control the Lh AFT External Power Contactor to open or close?. The Left BPCU. The Right BPCU. The L2 GCU.

How is the Variable Frequency Starter Generator (VFSG) cooled down?. By an Air/Oil Heat Exchanger (AOHE). By an Oil Heat Exchanger (OHE). By an Air Heat Exchanger (AHE).

If the ACP (audio control panel) of the captain side fail, how can use the observer ACP with: Swapping the ACPs. Turning OFF and Back to ON the captain ACP. Using the observer audio override selector sw in the P8.

What is the only Audio Control Panel (ACP) used during Battery towing operation?. The Captain Audio Control Panel. The First Observer Audio Control Panel. The First Officer Audio Control Panel.

The main Battery charger gets 28 v dc from: HBB. First Officers Instrument bus. Captains Instrument bus.

Where are the volumen control for the speakers in the flight deck?. In the speakers itself. In the Audio control panels. In the flight control wheel.