Air

Question 1

Bleed Trip Off Light

Answer 1

Engine bleed temp excessive
Engine bleed pressure excessive
Related bleed valve auto closes
Requires reset

Question 2

Location of the passenger oxygen system controls and indicators

Answer 2

Aft overhead panel (center)

Question 3

PASS OXYGEN Normal position

Answer 3

passenger masks drop and oxygen system activates at 14,000 ft cabin altitude

Question 4

PASS OXYGEN ON position

Answer 4

activates system and drops masks if auto function fails

Question 5

Temp selectors AUTO and OFF

Answer 5

Auto - automatic temperature control. C sets manual cool temperature. W sets manual warm temperature

Off - closes associated trim air modulating valve

Question 6

ISOLATION VALVE AUTO close and open

Answer 6

closed - both engine bleed switches ON and both pack switches AUTO or HIGH

open - either engine bleed or pack switch OFF

note: if any of the four corners (bleed or pack) switches are off, isolation valve automatically opens

Question 7

TRIP RESET Switch function

Answer 7

1. resets bleed trip off, pack, and zone temp lights
2. related engine bleed valve opens, or related pack valve opens, or related air mix valve opens
3. light remains illuminated until reset

Question 8

TRIP RESET Switch does not reset:

Answer 8

wing body overheat light

Question 9

E & E bay overtemp indicator

Answer 9

crew call horn in nose wheel well

Question 10

Cabin altitude warning horns sounds at:

Answer 10

intermittently at 10,000 ft

Question 11

WING BODY OVERHEAT light left side

Answer 11

bleed air duct leak in left engine strut
left inboard wing leading edge
left air conditioning bay
keel beam
APU bleed air duct

Question 12

WING BODY OVERHEAT light right side

Answer 12

bleed air duct leak in right engine strut
right inboard wing leading edge
right air conditioning bay