The potable water system is pressurized by:
a) the hydraulic system.
b) ambient air pressure.
c) the pneumatic system.
d) the PTU
the pneumatic system.
Galleys are powered by:
a) DC Bus 1 and 2.
b) AC and DC Shed busses.
c) DC Battery Bus.
d) Both Main AC Busses
Both Main AC Busses.
FASTEN SEAT BELT and RETURN TO YOUR SEAT signs illuminate when cabin altitude exceeds _____ feet, regardless of switch position.
a) 10,000
b) 11,300
c) 13,500
d) 14,000
11,300
NO SMOKING and EXIT signs illuminate when cabin altitude exceeds _____ feet, regardless of switch position.
a) 10,000
b) 11,300
c) 13,500
d) 14,000
11,300
In the AUTO position, the NO SMOKING switch causes the:
a) NO SMOKING signs to extinguish on the ground with engines shutdown.
b) NO SMOKING and EXIT signs to illuminate with flap extension.
c) NO SMOKING signs to extinguish at the gate when external power is connected.
d) NO SMOKING and EXIT signs to illuminate when landing gear is extended and extinguish
when landing gear is retracted.
NO SMOKING and EXIT signs to illuminate when landing gear is extended and extinguish
when landing gear is retracted.
If normal electrical power is lost, the following lights remain available:
a) Captain’s instrument panel (powered CRT’s and flood lighting), standby compass, right
dome light.
b) Map and utility lights for chart holder.
c) Side console, floor, and flight bag storage light.
d) Both dome lights.
Captain’s instrument panel (powered CRT’s and flood lighting), standby compass, right
dome light.
Cargo door operation is normally powered by the:
a) Green hydraulic system.
b) Blue hydraulic system.
c) Yellow hydraulic system.
d) Green hydraulic system, through the PTU.
Yellow hydraulic system.
The aircraft passenger WIFI system can be powered OFF by:
a) Battery Bus Switches.
b) DC Ground Flight Bus.
c) GALLEY or GALLLEY & CAB switch.
d) GEN 1 SMOKE light switch.
GALLEY or GALLLEY & CAB switch.
If the Emergency Access code is entered on the Flight Deck Access Panel and no
pilot action is taken, when will the Flight Deck door automatically unlock?
a) 10 seconds
b) 30 seconds
c) 40 seconds
d) 60 seconds
30 seconds
What is the normal in-flight position of the red tab N/100% PUSH Switch on oxygen
mask?
a) N position
b) N position below 35,000 feet and 100% above
c) 100%
d) N position or 100% is acceptable
100%
(Aircraft equipped with ACSC) If a single lane of an ACSC fails:
a) the second lane takes over and has no effect on system operation.
b) the associated pack is lost.
c) the cabin zones go to a preset temperature.
d) the flight deck goes to a preset temperature.
the second lane takes over and has no effect on system operation.
(Aircraft equipped with ACSC) If both lanes of an ACSC fail:
a) the associated pack is lost.
b) the other ACSC takes over.
c) the packs go to a fixed flow rate.
d) the packs go to a fixed temperature.
the associated pack is lost.
In aircraft equipped with Air Conditioning System Controllers (ACSC), how many ACSCs control temperature regulation?
a) 1
b) 2
c) 3
d) 4
2
Each ACSC directly regulates the temperature of its associated pack and modulates airflow through the _______ to optimize temperature regulation.
a) trim air valves
b) ozone filters
c) zone controller
d) pack flow controller
Trim air valves
(Aircraft equipped with pack and zone controllers) The hot air pressure regulating valve closes automatically if
a) the duct overheats or at least two trim valves fail.
b) the Pack controller fails.
c) Wing anti-ice is being used.
d) Engine anti-ice is being used.
the duct overheats or at least two trim valves fail.
(Aircraft equipped with ACSC) The hot air pressure regulating valve closes automatically if
a) both lanes of ACSC 1 or 2 fail.
b) the Pack controller fails.
c) Wing anti-ice is being used.
d) Engine anti-ice is being used.
both lanes of ACSC 1 or 2 fail.
An amber ENG BLEED FAULT light could indicate
a) low pressure downstream of the engine bleed valve.
b) engine bleed valve not open during engine start.
c) engine bleed valve not closed with the APU bleed valve closed.
d) engine bleed valve not closed with the APU bleed valve open.
engine bleed valve not closed with the APU bleed valve open.
How is the potable water system pressurized?
a) By ambient air pressure differential
b) By the pneumatic system
c) By the PTU
d) By the hydraulic system
By the pneumatic system
What does an amber APU BLEED FAULT light indicate?
a) APU automatic shutdown
b) APU overtemperature indication
c) APU leak detected
d) No greater than 95%
APU leak detected
Selecting the RAM AIR switch ON opens the ram air inlet if the ____ switch is in its
normal guarded position.
a) CARGO HEAT HOT AIR
b) X-BLEED
c) DITCHING
d) APU BLEED
DITCHING
Selecting the RAM AIR switch ON, opens the ram air inlet if the ___ switch is not
selected ON.
a) HOT AIR
b) DITCHING
c) APU BLEED
d) X-BLEED
DITCHING
What leak detection is lost if BMC 2 fails?
a) ENG 1 & 2
b) ENG 2 & APU
c) ENG 1, 2 & APU
d) ENG 2
ENG 2
What leak detection is lost if BMC 1 fails?
a) ENG 1 & 2
b) ENG 2 & APU
c) ENG 1, 2 & APU
d) ENG 1 & APU
ENG 1 & APU
Engine bleed air for the pneumatic system is normally bled from what stage of the compressor?
a) Intermediate pressure (IP) stage
b) High pressure (HP) stage
c) Low pressure (LP) stage
d) Low pressure (LP) and intermediate pressure (IP) stage
Intermediate pressure (IP) stage