Card 81
Question
How is the current generated by the SGU?
Answer
The SGU delivers unregulated, high freq, high voltage AC current which is converted via the PCUs
PC-24 FCOM+AFM
Discover PC-24 FCOM+AFM: 463 flashcards with questions and answers.
- Subject
- No category / Others
- Language of creation
- English
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Cards in this set
Card 82
Question
Which BUS powers which battery charger?
Answer
Left Bus powers BATT 1, right bus powers BATT 2
Card 83
Question
What is the minimum BATT temp to start engines?
Answer
-5 degrees
Card 84
Question
Which DCPUs are used for right/left bus?
Answer
DCPU 1+3 for LEFT, DCPU 2+4 for RIGHT
Card 85
Question
Which EPDU are used for right/left bus?
Answer
EPDU 1+3 for LEFT, EPDU 2+4 for RIGHT
Card 86
Question
When is the "Normal Operating Mode" Active?
Answer
When respective bus is powered by respective generator and batteries are charged by respective charger
Card 87
Question
What is "Pre-Departure Mode" and how long can it be sustained?
Answer
Is active then BATT 1 is ON, and has this capacity for around 1 hour.
Card 88
Question
What is "Quiet Power Mode"
Answer
A mode where the GEN 2 can supply loads of 250 A
Card 89
Question
Which batteries are powered in "Refuel Mode"
Answer
Both BAT will be powered when in Refuel Mode
Card 90
Question
When on ground, and selecting BAT 2 ON, Which mode will be active?
Answer
"Pre-Start Mode"
Card 91
Question
If GPU is avail, will its current be used to start both enginge?
Answer
NO, the GPU will be used to start one ENG, then that GEN will power the next start
Card 92
Question
What is the purpose of the "Emergency Flap Mode"
Answer
To power RIGHT BUS via the Batteries to operate the flaps
Card 93
Question
What is the "Off-Load Cabin Mode"
Answer
When the cabin is a source of smoke, to de-energice galley, 60hz outlets, toilet pumps and inflight entertainment system.
Card 94
Question
How many spools does the Williams FJ44 have?
Answer
Two
Card 95
Question
Which Turbine stage drives the N2 spool?
Answer
First stage turbine
Card 96
Question
Which Turbine stage drives the N1 Spool?
Answer
Second and third stage turbine
Card 97
Question
What compressor type is the N2 ?
Answer
A centrifugal type compressor
Card 98
Question
What compressor type is the N1 ?
Answer
A LP fan stage, and a three stage IP axial flow compressor
Card 99
Question
How is the FADEC powered?
Answer
By its own PMA (Permanent Magnet Alternator) provided that the N2 is at least 80%, otherwise the electrical power is drawn from its respective bus
Card 100
Question
When does the ECU (Engine Control Unit) command the FCU (Fuel Control Unit) to start metering fuel to the ENG during Start?
Answer
At 7.3% N2
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