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787 Ramp Transit > 787 Test 1 > Flashcards

787 Test 1 Flashcards

1
Q

How many spoilers are on each wing

A

7

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2
Q

How many jacking points are there

A

3 main part of the structure

5 aux bolted on

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3
Q

What is normal HYD system pressure

A

5000 psi

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4
Q

What are the power distribution panels in the forward EE bay

A

P300
P400
P500
P600

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5
Q

What does RPDU stand for

A

Remote Power Distribution Unit

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6
Q

How many RPDUs are there

A

17 in total

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7
Q

What does CMSC stand for

A

Common Motor Starter Controller

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8
Q

How many batteries are on the aircraft in total

A

2

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9
Q

What are the door assist bottle systems called

A

EPAS

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10
Q

How many CZUs (Cabin Zonal Units) are there

A

3

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11
Q

What does RDC stand for

A

Remote Data Controller

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12
Q

How many RDCs are there

A

21 and one of the 21 is a hot spare

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13
Q

What is the function of the RDCs

A

Helps convert legacy signals into a readable mode for the computers I.e fibre optic, analogue, arinc 429

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14
Q

What colour are fibre optic cables

A

Purple

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15
Q

What voltage are the main bus 235v AC

A
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16
Q

What indication is shown when the APU is running

A

APU Running in white

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17
Q

What is the max towing steering angle

A

75degrees

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18
Q

Where are the lateral and longitudinal inclinometers

A

LH nose wheel well

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19
Q

Where would the plumb bob get fitted

A

RH main gear bay

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20
Q

What must be worn when removing or replacing LRUs

A

ESD wristband

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21
Q

What does GPM stand for

A

General Processing Module

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22
Q

How many GPMs are there in each CCR cabinet

A

8

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23
Q

What is the purpose of the FOX module

A

Converts fibre to copper and vice versa

24
Q

What does PCM stand for

A

Power Conditioning Module

25
Q

How many PCMs are in each CCR cabinet

A

2 they power the CCR cabinet

26
Q

How are GPMs numbered

A

1-8 from right to left

27
Q

What is the purpose of ACS

A

Arinc 664 cabinet switch from GPM to RDC

28
Q

How many RDCs are there

A

21 one of which is hot spare

29
Q

What does GG stand for

A

Graphic generator

30
Q

How many GGs are in each cabinet

A

2

31
Q

How many DCAFs are there in total

A

6, 3 in each CCR

32
Q

What is the purpose of the DCAFs

A
  • Processes system and crew data
  • Sends graphic commands to GGs through arinc 664 AES
33
Q

What is the purpose of the common core system

A

Supply common data network to support many aircraft systems

34
Q

What is the purpose of the GPMs

A

Host applications

35
Q

Other than powering cabinets what other unctions do the PCMs have

A

They keep a clock and regulate a cooling fan

36
Q

How many outputs do GGs have and how many buss

A

2 outputs 6 buses

37
Q

Is Arinc 429 single or bi directional

A

Single

38
Q

Is Arinc 664 single or bi directional

A

Full duplex bi directional

39
Q

What data bus does the CDN use

A

Arinc 664 full duplex

40
Q

What components make up the CDN

A
  • FOX
  • ARS (Arinc remote switch)
  • ACS (Arinc cabinet switch)
41
Q

Which flight recorder has RIPS

A

Fwd

42
Q

What does RIPS stand for

A

Recorder Independent Power Supply

43
Q

How many air data modules are there

A

6 in total

3 pitot 3 static

44
Q

Which pitot and static system feeds the standby flight display

A

Centre

45
Q

Where does the ADF live

A

In the Flight Control Module

46
Q

Integrated Nav Radio manages which systems

A
  • GNSS landing system
  • ILS
  • VHF VOR
  • Marker Beacon
47
Q

What does the ATRU convert

A

235/115AC to 270DC

48
Q

What power do RPDUs supply

A

28V DC 115vAC

49
Q

What CBS so RPDUs control

A

Those with less than 10 amps

50
Q

What do BPSU’s control

A

External power

51
Q

Which GCU controls the aft external power

A

L2

52
Q

What are the external jack comm points on the aircraft

A

P40 P57

53
Q

What happens if VHF transmits for more than 30 seconds

A

A message on EICAS will appear for possible stuck mic

54
Q

What are the purpose of the CMSC’s

A
  • Control torque and speed of powerful motors
  • Convert 270dc variable voltage frequency
55
Q

What is the SPU for

A

Starter Power Unit

Only for APU start

787 Ramp Transit (2 decks)

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