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A320 E-Indications Mcqs

The document discusses the architecture and components of the Airbus A320 aircraft electronic systems. It contains 40 multiple choice questions about topics like: - How data is transmitted between different components like DMCs, DUs, and FWCs - The types of buses used for different data links - The functions of components like the CFDIU, PFR, and MCDU - How failures are detected, recorded, and displayed to pilots

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Zain Hasan
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0% found this document useful (0 votes)
332 views5 pages

A320 E-Indications Mcqs

The document discusses the architecture and components of the Airbus A320 aircraft electronic systems. It contains 40 multiple choice questions about topics like: - How data is transmitted between different components like DMCs, DUs, and FWCs - The types of buses used for different data links - The functions of components like the CFDIU, PFR, and MCDU - How failures are detected, recorded, and displayed to pilots

Uploaded by

Zain Hasan
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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PHASE A – A320 B1 COURSE 2018

AIRCRAFT E-INDICATIONS - MCQs by Zain Hasan (PIA) PART 2 of 2


1. The 3 DMCs can be considered as data concentrators and send data to the DUs through
a- Coaxial cables
b- ARINC 629 output buses.
c- RS422

2. The tele-loading of the operational software is carried out by


a- DMCs
b- On ground in shop
c- Tele loading is not possible.

3. Workshop testing on DMCs is carried out on


a- RS500
b- ARINC 429
c- RS232

4. The ECP outputs discretes for CLEAR (CLR), RECALL (RCL), STATUS (STS) and emergency cancel (EMER
CANC) keys are linked to the
a- DMCs
b- FWCs
c- SDACs

5. The output discrete for ALL key is directly linked to the


a- DMCs.
b- ECAM EWD page
c- FWCs

6. DMCs receive weather radar data on


a- Digital bus
b- ARINC 639 High speed bus
c- ARINC 453 High speed bus

7. When a new DU is installed, a cross loading from the corresponding DMC has to be performed via
a- MDDU
b- DATA loader
c- MCDU

8. The data through MDDU is installed in DMC1 via


a- ARINC 429
b- ARINC 639
c- RS bus

9. A ________ pushbutton can be installed on the FCU. If you push this pushbutton, the selected altitude
is displayed in meters above the altitude scale.
a- METRIC ALT
b- MET
c- ALTERNATE

10. the _____are used by the FWCs to send text messages (warnings, MEMO and status) to the DMCs.
a- ARINC 429 buses
b- RS 422 buses
c- ARINC 639 buses

11. FWC, ECAM Control Panel (ECP), (ATSU), (FDIMU), gets data from DMC through
a- high speed switched bus.
b- low speed switched bus.
c- Either low or high speed bus.

12. CFDIU gets data from DMC through


a- one low speed switching bus.
b- one high speed unswitched bus.
c- one low speed unswitched bus.

13. Weather radar data is not available in


a- rose mode on ND
b- plan mode on ND
c- Mono mode on ND

14. Some of the data on Captain’s side PFD is not available.


a- It means external sources have failed.
b- It means DMC has failed
c- It means DU has problem

15. PFD/ND transfer switching is performed by software switching of


a- the PFD/ND ouputs inside LCDs.
b- the PFD/ND inputs outside DMCs.
c- the PFD/ND ouputs inside DMCs.

16. In case of EWD unit and SD unit failure, each crew member has the possibility to permanently present
the
a- EWD on the ND unit.
b- EWD on PFD unit
c- EWD can not be transferred in both DU failure
17. no reconfiguration is possible In the case of PFD unit and ND unit failure
a- On opposite sides
b- On the same side
c- Reconfiguration is possible in all failure situations

18. In case of both SDAC failure, Wheel ECAM page data is available because
a- It sends data directly to CFDIU
b- It has direct bus connection with DUs
c- it is already in ARINC 429

19. To activate the Elapsed Time (ET) function, the ET selector must be set to
a- SET
b- RUN
c- GPS

20. CFDIU generate current/last leg report in


a- normal mode
b- menu mode
c- advisory mode

21. In menu mode CFDIU dialogues with one computer at a time in order to read
a- RAM
b- Data loops
c- bite memory

22. The CFDIU capacity for failure messages memorization is up to


a- 11 lines
b- 40 lines
c- No line limit.

23. When several identical and consecutive warnings are transmitted, the CFDIU memorizes the first
occurrence only and carries on counting with a maximum of
a- 8
b- 64
c- 11

24. PFR recording starts if flight number inserted


a- before takeoff roll + 3 minutes.
b- before Taxi
c- before first engine start + 3 minutes

25. PFR recording stops after when aircraft decelerate below


a- 80 knots +5 seconds.
b- 60 knots +30 seconds.
c- 80 knots +30 seconds.

26. an Angle-Of-Attack (AOA) sensor failure has been detected and that systems A, B and C are affected
by this failure. The Air Data System (ADS) will transmit
a- an internal failure
b- an external failure
c- an internal failure with independent fault.

27. What type of systems can memorize failures, which occurred in the last 64 flight legs?
a- Type 3 (CFDS)
b- Type 1 (CFDS)
c- ECAM computer

28. Previous leg report can store up to 200 failures over the last
a- 64 flight legs.
b- 60 flight legs
c- 20 days of flights
29. If the failure occurred intermittently, the PFR will have ______against fault details.
a- INHIBT
b- Asterisk
c- INTM

30. Class 3 faults can be traced in avionics status page of


a- MDDU
b- MCDU
c- AIDS

31. Troubleshooting data is presented on MCDU in


a- hexadecimal language.
b- Binary language
c- Dual languages

32. Type 2 systems don’t have


a- BITE system
b- default memory
c- menu mode.

33. PFR filter database is adapted from ______under diskette form.


a- Service bulletin SB
b- Service Information Letter (SIL)
c- Fleet enhancement program (FEP)

34. Only primary failures, INDEPENDENT failures and CLASS 2 failure messages (Maintenance status) are
received from
a- FWC
b- LRUs
c- SDAC

35. The CFDIU receives the engine serial number from the
a- (SDAC)
b- CFDIU
c- (DMC)

36. When the CFDIU is affected by an internal failure, the message CFDIU is displayed on the ECAM
a- Engine warning page
b- MAINTENANCE STATUS page.
c- CFDIU Bite on LRU

37. PFR filtering program, Each filter is identified by


a- a 15-character data base number.
b- part number
c- filter floppy number

38. Data to printer is transmitted via Low Speed (LS) ARINC 429 buses, one at a time using a
a- Avionics protocol.
b- ARINIC protocol.
c- handshake protocol.

39. 12 inputs are available on the printer,


a- but only 1 is allocated.
b- but only 6 are allocated.
c- And all are allocated.

40. Input 1 in printer has


a- the highest priority; input 12 has the lowest one.
b- the lowest priority; input 12 has the highest one.
c- the same priority as of input 12

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