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Mod 13 > Integrated Modular Avionics Q’s > Flashcards

Integrated Modular Avionics Q’s Flashcards

1
Q

A controller area network bus is a

A

Serial communications protocol

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2
Q

IMA 3rd generation uses

A

AFDX

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3
Q

IMA partioning is designed to achieve

A

Segregation and prevention of potentially conflicting and hazardous data from other sources

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4
Q

A CAN bus requires

A

No host computer

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5
Q

A CAN bus transmits at data rates upto

A

1Mb/sec for cable lengths up to 40 metres

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6
Q

How does an IMA AFDX control the input output functions

A

They use a star topology with 4 sets of wires

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7
Q

A CPIOM module communicates with the ADCN via its

A

AFDX end system board

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8
Q

In an IMA AFDX system what replaces conventional LRUs

A

General processor modules

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9
Q

A CPIOM which is designated as a monitor performs

A

Monitoring and testing on the primary lane and will switch to command if the health of the primary lane deteriorates

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10
Q

A data frame on an Ethernet system contains

A

Both source and destination addresses

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11
Q

A deterministic ADN used on a certified integrated modular avionic system must have a bit error rate of no more than

A

1 in 10-12

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12
Q

A loss of a single input/output module

A

Will have no aircraft system effect

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13
Q

A loss of multiple mirrored IOMs

A

Will always have an aircraft systems effect and will trigger the master caution

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14
Q

A loss of multiple non-mirrored IOM

A

Will have no aircraft system effect

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15
Q

A virtual link in an ADCN is

A

Unidirectional

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16
Q

A virtual links bandwidth allocation gap consists of

A

Maximum frame time and minimum time between transmission

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17
Q

AFDX switches are

A

Interchangeable but may require software reconfiguration

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18
Q

AFDX switches contain what software

A

Operation program software and configuration table software

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19
Q

An active AFDX subscriber connected to an AFDX network to communicate with other subscribers respecting AFDX rules is called

A

An end system

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20
Q

An avionic structure that has major functions implemented in LRUs that interchange information over digital data uses is known as

A

A federated architectural system

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21
Q

An ADCN uses

A

Two active parallel identical networks

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22
Q

An IOM

A

Never hosts avionics applications

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23
Q

An integrated modular avionic systems utilises

A

An Ethernet network

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24
Q

An IMA system utilises

A

A virtual back plane communication system

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25
Q

AFDX switches Ethernet

A

Utilises commercial off the shelf hardware

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26
Q

AFDX data rates are

A

10 or 100 Mbps

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27
Q

AFDX is

A

Full duplex

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28
Q

AFDX switches Ethernet is based on

A

IEEE 802.3 Ethernet specification

29
Q

AFDX switches Ethernet uses

A

A star topology network

30
Q

AFDX switches Ethernet uses

A

Either copper or fibre optic transmission

31
Q

Conventional LRUs which do not have AFDX capability

A

Can be connected to an IMA line replaceable module only by direct wire connection

32
Q

CPIOMs are

A

Interchangeable but maybrequire software reconfiguration

33
Q

CPIOMs are powered by

A

28VDC

34
Q

Deterministic performance of an Ethernet system used for an IMA system network is provided

A

By use of virtual links signing the Ethernet network system

35
Q

Differences between CPIOMs are determined by

A

The type of system of the computer interfaces with

36
Q

How does AFDX transmit data

A

Through ADCN

37
Q

In an atomic 653 certified IMA system

A

It is permitted to add software such as health monitoring or mission support functions within new ARINC 653 partitions that may not be certified to the same level as flight critical function a

38
Q

In an IMA system software is upgraded

A

Without the need to upgrade the hardware

39
Q

In the event of a single AFDX switch loss

A

There will be no aircraft systems effect due to the redundant duplication of networks in the ADCN

40
Q

In the event of multiple AFDX switch losses on both of the ADCN networks

A

There is a functional effect on the aircraft systems and this will trigger the master caution and is a no go failure

41
Q

In the event of multiple AFDX switch losses in one of the ADCN networks

A

There will be no function effect on systems but this a no go failure

42
Q

On modern transport aircraft incorporating IMA system the ATC

A

Will have software application which is hosted on a hosting module such as a CPIOM or a GPM

43
Q

On modern transport aircraft incorporating IMA system the avionics communications router allows the flight crew to establish communication with the ground via

A

The VHF and HF radions and SATCOM

44
Q

On modern transport aircraft incorporating IMA system the circuit breaker monitoring

A

Is carried out by a software application hosted on the same module as the other energy applications

45
Q

On modern transport aircraft incorporating IMA system the electrical load management avionics application will be hosted on

A

The same module as the other energy applications

46
Q

On modern transport aircraft incorporating IMA system the electrical system BITE is carried out by

A

A software application hosted on the same module as the other electrical load management applications

47
Q

On modern transport aircraft incorporating IMA system the fuel management control is performed by a software application and hosted by the

A

CPIOM dedicated to fuel manament functions

48
Q

On modern transport aircraft incorporating IMA system the brake temp management is hosted on a modular computer which also hosts the software applications for

A

Steering control landing gear extension and retraction tyre pressure indication oleo pressure indication and braking control

49
Q

On modern transport aircraft incorporating IMA system the braking control is hosted on a modular computer which also hosts the software applications for the

A

Steering control landing gear extension and retraction tyre pressure indication oleo pressure indication and braking control

50
Q

On modern transport aircraft incorporating IMA system the software application for the landing gear extension and retraction is hosted on a modular computer which

A

Steering control landing gear extension and retraction tyre pressure indication oleo pressure indication and braking control

51
Q

On modern transport aircraft incorporating IMA system the software application for the oleo pressure indicaton is hosted on a modular computer which also hosts the software applications for

A

Steering control landing gear extension and retraction tyre pressure indication oleo pressure indication and braking control

52
Q

On modern transport aircraft incorporating IMA system the software application for the steering control is hosted on a modular computer which also hosts the software applications for

A

Steering control landing gear extension and retraction tyre pressure indication oleo pressure indication and braking control

53
Q

On modern transport aircraft incorporating IMA system the software for the tyre pressure indication is hosted on a modular computer system which also hosts the software applications for

A

Steering control landing gear extension and retraction tyre pressure indication oleo pressure indication and braking control

54
Q

On modern transport aircraft incorporating IMA system the software applications for the air ventilation and control functions

A

Hosted on a shared hosting module along with one or more other ata 21 system software applications

55
Q

On modern transport aircraft incorporating IMA system the software applications for the avionics and cockpit ventilation control functions will be

A

Hosted on a shared hosting module along with one or more other ventilation system software applications

56
Q

On modern transport aircraft incorporating IMA system the software applications for the bleed management functions will be

A

Hosted on a shared hosting module with one or more other system software applications

57
Q

On modern transport aircraft incorporating IMA system the temp control

A

Software application will be hosted on a shared hosting module along with one or more other ventilation system software applications

58
Q

On a integrated control panel which uses a controller area network bus such as a cockpit overhead control panel the can controller is

A

Integral with the panel

59
Q

Reliability of data transfer via AFDX switches Ethernet is guaranteed by the use of

A

Dual redundant channels

60
Q

The ADCN suffers from multiple switch losses

A

This might effect the system depending on which switches have failed

61
Q

The common remote data concentrators

A

Collect conver and exchange data between the ADCN and LRUs that do not have AFDX technology

62
Q

The defined standard for deterministic data transfers in a network for safety critical IMA applications is

A

ARINC 664

63
Q

The mirror IOM principle ensures

A

A malfunction of any single IOM does not cause loss of transmitted data

64
Q

The purpose of an IOM is to

A

Convert the aircraft system data sent and received by LRUs directly connected to them from non AFDX into AFDX format and vice versa

65
Q

The technology used in an IMA system to provide the necessary standard of ADCN is called

A

AFDX

66
Q

The various CPIOMs used in an IMA system differs in respect to their

A

Input output cards only

67
Q

What software in a CPIOM is field loadable

A

Module software (core and config table software) and avionics applications

68
Q

What system is best suited to IMA application

A

Fly by wire

Mod 13 (22 decks)

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