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1
the temperature of each aircraft zone is optimized by means of?
A
a hot air pressure regulating valve.
Correcta
Incorrecta
B
a zone control valve.
Correcta
Incorrecta
C
a trim air valve.
Correcta
Incorrecta
D
both a and b.
Correcta
Incorrecta
Pista
zone optimization is done by trim air valves.
Explicación
the correct answer is c. each zone temperature is optimized by its trim air valve, which adds the required amount of hot trim air downstream of the mixing unit. the hot air pressure regulating valve supplies the manifold, but the zone-specific adjustment is done by trim air valves.
Las explicaciones son para usuarios registrados.
2
what happens to the pack flow control valves during engine start?
A
they must be selected off.
Correcta
Incorrecta
B
they must be selected off on cold days only.
Correcta
Incorrecta
C
they must be selected off on hot days only.
Correcta
Incorrecta
D
they automatically close.
Correcta
Incorrecta
Pista
engine start automatically closes the pack flow control valves.
Explicación
the correct answer is d. during engine start, the pack flow control valves automatically close to reduce pneumatic load and ensure adequate start air availability. the crew does not normally need to manually switch the packs off for this function.
Las explicaciones son para usuarios registrados.
3
when does normal pressurization occur?
A
after second engine start.
Correcta
Incorrecta
B
pressurization occurs during taxi.
Correcta
Incorrecta
C
pressurization occurs during the takeoff roll.
Correcta
Incorrecta
D
after ratation.
Correcta
Incorrecta
Pista
normal pre-pressurization begins during takeoff roll.
Explicación
the correct answer is c. normal pre-pressurization occurs during the takeoff roll to create a small pressure differential before liftoff, reducing cabin pressure bumps and improving comfort. it is not simply triggered by engine start or rotation.
Las explicaciones son para usuarios registrados.
Oferta
4
when is the srs active?
A
during a go around (after the thrust levers are placed in the toga position) up to the acceleration altitude.
Correcta
Incorrecta
B
at t/o, when toga or flx power is set, srs is displayed on the fma and provides guidance up to the acceleration altitude.
Correcta
Incorrecta
C
both are correct.
Correcta
Incorrecta
Pista
srs is takeoff and go-around pitch guidance.
Explicación
srs is active both during takeoff and during go-around. it provides pitch guidance after takeoff power or toga is selected until the acceleration altitude or the appropriate go-around phase transition.
Las explicaciones son para usuarios registrados.
5
on the ground, the crew can energize the cvr manually by pressing the gnd ctl pushbutton.
A
true.
Correcta
Incorrecta
B
false.
Correcta
Incorrecta
Pista
gnd ctl manually powers the cvr on the ground.
Explicación
the gnd ctl pushbutton allows the crew to energize the cvr manually on the ground. this is useful before engine start or during maintenance/ground operations when the normal automatic cvr logic is not yet active.
Las explicaciones son para usuarios registrados.
6
the audio management system includes how many audio control panels?
A
1
Correcta
Incorrecta
B
2
Correcta
Incorrecta
C
3
Correcta
Incorrecta
D
4
Correcta
Incorrecta
Pista
count the captain, first officer, and third audio control panels.
Explicación
the audio management system uses three audio control panels. acp 1 and acp 2 are normally used by the captain and first officer, while acp 3 provides additional or backup audio control capability.
Las explicaciones son para usuarios registrados.
7
which hydraulic systems have engine driven pumps?
A
green and blue.
Correcta
Incorrecta
B
green and yellow.
Correcta
Incorrecta
C
blue and yellow.
Correcta
Incorrecta
Pista
engine pumps are on green and yellow.
Explicación
the green and yellow hydraulic systems each have an engine-driven pump: green is normally powered by engine 1 and yellow by engine 2. the blue system is normally powered by an electric pump and can be supplied by the rat in emergency conditions. therefore, blue is not one of the engine-driven-pump systems.
Las explicaciones son para usuarios registrados.
8
the fadec is normally powered by:
A
the rat.
Correcta
Incorrecta
B
it's own magnetic alternator.
Correcta
Incorrecta
C
the normal aircraft electrical system.
Correcta
Incorrecta
Pista
after engine speed is sufficient, the fadec powers itself.
Explicación
the fadec is normally powered by its own engine-driven magnetic alternator once the engine reaches sufficient speed. aircraft electrical power is used for initial or backup supply, but it is not the normal source in stabilized operation. the rat is not the normal fadec power source.
Las explicaciones son para usuarios registrados.
9
46.- what control surfaces do the facs control?
A
the elevators.
Correcta
Incorrecta
B
the spoilers.
Correcta
Incorrecta
C
the rudder.
Correcta
Incorrecta
D
all the above.
Correcta
Incorrecta
Pista
fac equals rudder/yaw functions.
Explicación
the facs are associated with flight augmentation and yaw functions, including rudder travel limitation, yaw damping and turn coordination. they are therefore linked to rudder control rather than elevator or spoiler control.
Las explicaciones son para usuarios registrados.
10
11.- each passenger door has one cabin pressure warning light that:
A
warns of residual pressure in the cabin.
Correcta
Incorrecta
B
shows a possible unlocked door.
Correcta
Incorrecta
C
both are correct.
Correcta
Incorrecta
Pista
door pressure light equals residual cabin pressure.
Explicación
the cabin pressure warning light at each passenger door warns that residual cabin pressure exists. it is not a door-unlocked indication; it is a safety warning against opening the door while differential pressure remains.
Las explicaciones son para usuarios registrados.
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