PHEMAUTIC Flashcards
1
Q
What is the purpose of a RECIRC FAN?
A
Recirculating Cabin air through the Pack to keep cabin humid
2
Q
Will GASPER FAN turn off on ground?
A
NO
3
Q
When the Ram Air enters the pack where does it go?
A
Over the heat exchangers and Outside
4
Q
X-Bleed set to AUTO. When will it auto Open?
A
1) Engine Starting (non-PRSOV airplane)
2) When Ice is detected
5
Q
Whats Cabin temp limit in Auto mode?
A
18° - 29° C
6
Q
Ram air Valve Doors are normally closed or open?
A
Closed.
7
Q
What happens with Ram air Valve Doors when Packs are Off?
A
Will open for Emergency Air. Only in the Air when both PACKS are OFF
8
Q
What happens when Massive Bleed leakage is detected?
A
- Pack shuts-off
- Bleed off
- x-bleed off
- HP valve off
9
Q
Where is the Bleed Temp Sensor?
A
Downstream pre-cooler
10
Q
The Pack will automatically Shut Off if?
A
• Pressure too Low / High • Compressor downstream Temp is Too High ( EICAS msg: PACK 1(2) OVLD ) • Engine start • T/O-1 Up to 1700' AGL and TAT above 19°C • T/O-1 Below 9700' MSL above 19° C
