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Q400 > R-ELECTRICAL > Flashcards

R-ELECTRICAL Flashcards

0
Q

3 NICAD BATS HOW MANY VOLTS EACH ?

A

MAIN 24V
AUX 24V
STBY 24V

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1
Q

WHAT ARE THE POWER SOURCES ?

A 
DC PRIMARY 
3 NICAD BATS 
4 GENS, 1 APU
2 TRU'S 
DC/AC EXT POWER RECEPTACLE
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2
Q

2 DC STARTER GENS HOW MANY AMPS ?

A

400AMPS TOTALL OF 800AMPS

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3
Q

TRU’S HOW MANY AMPS ?

A

300 EACH TOTALL OF 600 AMPS 26-29

300=100%=1.0

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4
Q

WHAT IS MIN BAT FOR TAKE OFF ?

A

0.1

AND -20C

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5
Q

WHEN YOU SELECT SYST ON THE MFD PANEL, WHAT IS THE DEFAULT PAGE FOR THIS SETTING ?

A

ELECTRICAL PAGE

TO GET BACK TO IT JUST MOVE BUG AND FOURTH BACK TO SYS

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6
Q

IF THERE ARE ANY POP BREAKERS WHAT DO YOU DO ?

A

DO NOT GO FLYING AND DO NOT RESET !

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7
Q

WHAT ARE THE BREAKERS IN THE WHITE BORDERD AREA OF THE CIRCUIT BREKER PANEL ?

A

HOT BATTERY BUS!

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8
Q

WHAT IS THE POWER SOURCE FOR THE DOME LIGHT ? **

A

THE HOT BAT BUS !!!

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9
Q

*AC FOR WHAT ? ** THE SONG

A

HEATERS AND PUMPS

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10
Q

EPGDS WHAT IS THIS ACRONYM ?

A

ELECRICAL POWER GENERATON AND DISTRIBUTION

BAT-POWER
DC-GENRATION
AC-GENERATION
EXTERNAL POWER

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11
Q

WHAT IS ESID ?

A

ENGINE SYTEM INTERGRATION DISPLAY

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12
Q

WHERE ARE THE BATTERIES LOCATED ?

A

IN THE NOSE COMPARTMENT

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13
Q

WHAT ARE ALL GENS CONROLLED BY ?

A

GCU’S

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14
Q

HOW MANY VOLTS DOES THE GEN PRODUCE ?

A

28VDC

IF OVER-CURRENT THE GCU WILL KICK IT OFF LINE

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15
Q

WHAT IS THE PURPOSE OF A TRU ?

A

TO CONVERT 115VAC TO 28VDC

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16
Q

THE ESSENTIAL BUSSES PROVIDE POWER TOT WHAT ?

A

AVIONICS SYSTME
LIGHTING
ENGINE ( PRE START ) IF THE PMA FIALS
FLIGHT CONTROLS

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17
Q

GENS POWER WHAT ?

A

DE-ICE
STAND HYD PUMPS
GALLY LOADS

18
Q

HOT BAT BUS IS CONNECTED TO WHCH BAT ?

A

STDBY BATT

DOME AND BOARDING LIGHT ARE ON THIS **HOT BUS

19
Q

EPCU IS STRICTLY FOR WHAT ?

A

DC POWER ONLY

20
Q

WHEN U SELET THE MASTER, WHAT BUSSES ARE POWERED ?****

A

ESSENTIAL BUSSES GET POWERED!!!!!!

21
Q

WHEN U SLECT MAIN BATT WHATS POWERED ?

A

R MAIN FEDER

22
Q

WHEN U TURN AUX BATT WHAT IS POWERED ?

A

LET MAIN BATT

23
Q

WHEN U SELECT STBY BATT WHAT IS POWERED ?

A

LEFT MAIN BUSS

24
Q

WHERE DOES THE L BATT BUS GET POWER FROM ? *****

A

ALL BATTERIES

AND THE (ISI) IS ON THAT BUSS** REALLY IMPORTANT**

25
Q

RIGHT SCREENS COME ONE WHEN WHAT BUSS IS POWERED ? ?

A

RIGHT MAIN

26
Q

LEFT SINGLE SCREEN COMES WHEN WHAT BUSS IS POWERED ?

A

LEFT MAIN

27
Q

ESSENTIAL BUSSES POWER WHAT SCREENS ?

A

3 CENTER SCREENS

28
Q

EPCU WILL WORK REGARDLESS OF WHAT POSITION THE BUS TIE IS ?

A

WHATEVER THE TIE SWITCH IS SELECTED TO

29
Q

EXTERNAL POWER WILL POWER WHAT BUSSES ?

A

ALL DC BUSSES

30
Q

**WITH AC POWER PLUGGED WHAT BUSSES ARE POWERED ? **

A

ALL BUSSES !!

31
Q

IF YOU LOOS ALL DC POWER WILL YOU GET ALL BUSSES POWERD ?

A

YES THROUGH THE TRU’S VIA THE SEC BUSS TIES

32
Q

DUAL GEN FAILURE AND ONE TRU WHAT HAS HAPPENED ?

A

SYSTEM IS AN EMERGENCY MODE AND ESSENTIAL BUSSES ARE POWERED BY THE BATTS AND THE SYSTEM AUTO SHEDS

33
Q

**IF YOUU LOOSE ELECTRICAL POWER TO LEFT MAIN BUSS WHAT HAPPENS ? **

A

ALL EMERGENCY LIGHTS COME ON

34
Q

WHAT IF A TRU HAS A SHORT CIRCUIT ?

A

THE ECPU WILL SINGAL THE TRU’ TO KICK ITSELF OFF LINE BECAUSE OF THE CURRENT LIMITER

35
Q

WHEN WILL THE BAT TEMP ON ELECTRICAL PAGE TURN RED ?

A

AROUND 71 C

36
Q

WHAT IF A DC BUS LIGHT COMES ON ? EXPECT SOMETHING MORE TO COME ON !!!

A

THE EPCU WILL NOT CLOSE THE THE BUS TIE BECAUSE THEIRS A SHORT IN ONE OF THE CIRCUITS. ITS ISOLATING THE PROLEM.

“IF ITS BUS YOU WONT GET IT BACK, IF ITS THE GEN, YOU WIL GET IT BACK

37
Q

ANY TIME YOU LOOSE AN AC SOURE WHAT DO YOU LOOSE ?

A

THE GALLEY BUSSES

38
Q

IF YOU LOOSE ANY AC BUS WILL THE PUSHER STILL WORK ?

A

NO, THE PUSHER NEEDS INFO FROM INFORMATION THAT MUST BE OPERATIVE FROM BOTH AC BUSSES.

ALPHA VANE HEATER

39
Q

WHAT BUSSSES ARE POWERED WHEN THE BATTERY MASTER IS SLECCTED ON ?

A

ESSENTIAL AND BATT BUSS

40
Q

WHAT IS THE FIRST VISUAL SIGNAL OF A BUS FAULT ?

A

FLASHING MASTER CAUTON AND DC BUS FAULT

41
Q

HOW ARE DC AND AC COOLED ?

A

DC-BY AIR

AC- OIL

42
Q

WHERE DOES THE ISI GET POWER FROM ?

A

LET BATT BUSS

Q400 (37 decks)

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