Airbus A320
(*Please refer the latest A320 Fcom, If any suggestion for improvement then please send us in comment box )
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1. How are the hydraulic reservoir pressurized
pneumatically ?
·
By APU bleed directly.
·
By engine 2 bleed
directly.
·
By engine 1 bleed directly or cross bleed duct
·
By engine 2 bleed directly
or cross bleed duct.
2. When do you use ‘RAT MAN ON “ pb
·
If blue electric pump is
failed.
·
If there is a dual Hydraulic failure along with blue
system.
·
As in (b) and only in
approach RAT is extended.
·
If blue electric pump is
over heated.
3. What are the indications if Yellow Leak
Measurement Valve remains in closed position
·
No indication
·
Y SYS LO PRESSURE ECAM warning and Y system label colour
is amber
in HYD
page.
·
Y SYS LO PRESSURE ECAM
warning and system pressure indication reading
psi in HYD page
·
Y SYS label colour is
amber and system pressure ) psi in Hydraulic page without
ECAM warning.
4. How will you recover the yellow system if it is
lose due to LO LVL ?
·
Yellow system can be
recovered in approach only by electric pump
·
Yellow system can be
recovered in approach only by PTU
·
Yellow system cannot be recovered.
·
Both (a) and (b) are
correct.
5. What are the indications in the cockpit due to
yellow reservoir OVHT ?
·
PTU, yellow EDP fault
lights with ECAM message and master caution.
·
PTU, yellow EDP, yellow electric pump fault lights with
ECAM message
and
master caution.
·
As in (b) but yellow
electric pump fault light illuminate only when the
switch is ON yellow.
·
Yellow EDP, yellow
electric pump fault lights with ECAM warning.
6.
Fluid
can be transferred between hydraulic systems.
·
True
·
False
7.
Which
hydraulic systems have engine driven pumps?
·
Green and blue.
·
Green and yellow.
·
Blue and yellow.
8.
The
Load Alleviation Function (LAF) accumulators are pressurized by which hydraulic
systems?
·
Green and blue.
·
Green and yellow.
·
Blue and yellow.
9.
The
RAT pressurizes the Blue hydraulic system to approximately ______ psi.
·
1500
·
2500
·
3000
·
3500
10.
How
many pumps has the yellow system to provide pressure (not counting the PTU)?
·
1
·
2
·
3
·
4
11.
The
hand pump supplies yellow system pressure to the:
·
Normal brakes.
·
Alternate brakes
·
Passenger doors.
·
Cargo doors.
12.
It is
possible to pressurize the green hydraulic system on the ground via the PTU
when the parking brake is set.
·
True
·
False
13.
The
Eng Pump Fault light extinguishes when the engine pump switch is selected to
off except for:
·
Reservoir low level.
·
Pump low pressure.
·
An overheat.
14.
With
the airplane on the ground and the blue electric pump switch in AUTO; the blue
pump will be energized when:
·
One engine is running.
·
The BLUE PUMP OVRD switch has
been pressed.
·
First two statements are correct .
15.
The
PTU Fault light illuminates when the:
·
PTU is inoperative.
·
Green or yellow reservoir has low air pressure.
·
PTU pump has overheated.
16.
The
PUMP identification number on the ECAM HYD page becomes amber when:
·
System pressure is below 1450
psi.
·
N2 is below idle.
·
The reservoir level is low.
17.
The
_____ hydraulic system provides power for gear extension/retraction.
·
Yellow.
·
Blue
·
Green
18.
As
long as the landing gear lever is up a hydraulic safety valve closes to cut off
the hydraulic supply to the gear when the airspeed is:
·
Greater than 260 KIAS.
·
Greater than 230 KIAS.
·
Less than 260 KIAS.
·
Less
than 230 KIAS
19.
Autobraking
is initiated by:
·
Strut compression.
·
Reverser action.
·
Ground spoiler extension command.
20.
The
alternate brake system has the same capabilities as normal brakes except:
·
Anti-skid is inoperative.
·
Autobrakes
are inoperative.
·
Both first statements are correct
21.
When
using the alternate brake system on accumulator pressure only; the accumulator
supplies:
·
Partial brakes.
·
At least seven full brake applications.
·
Alternate brakes with antiskid.
22.
The
maximum degrees of nosewheel steering available when using the handwheel is
______.
·
+/- 60
·
+/- 75
·
+/- 95
·
+/- 105
23.
The
green DECEL light on the Autobrake switch illuminates when the actual airplane
deceleration corresponds to ______ % of the selected rate.
·
80
·
95
·
100
·
110
24.
The
brakes pressure indication on TRIPLE PRESSURE INDICATOR reads which system
pressure?
·
Yellow
·
Blue
·
Green
25.
To
extend the landing gear with the Gravity Extension Handcrank requires _______
turns of the handle.
·
3 counter-clockwise
·
2 counter-clockwise
·
3 clockwise
26.
The
aircraft's three hydraulic systems are normally pressurized by:
·
Two engine driven pumps and one electric pump.
·
Two electric pumps and one
PTU.
·
Two electric pumps and one
engine driven pump.
·
Two electric pumps and two
engine driven pumps.
27.
When
will the yellow system electric pump operate? (AC power is available).
·
During the second engine
start.
·
When the first engine MASTER
switch is moved to the ON position.
·
If any N2 RPM is less than
45%.
·
When the yellow electric system ELEC PUMP push button is
selected to ON or the ground crew activates a cargo door switch.
28.
What
are the major equipment losses with loss of Green system?
·
Speed Brakes.
·
Nosewheel steering, Autobrakes. …(as old
Fcom , NWS on yellow in new fcom )
·
Alternate Brakes.
·
The upper and lower rudders.
29.
The
hydraulic PTU will activate if:
·
A significant pressure loss
occurs in any of the three hydraulic systems.
·
A significant pressure loss occurs in the green or
yellow hydraulic system.
·
Both are correct.
30.
After
extending the RAT, is it possible to check its position and status?
·
Check to see if the blue
system ELEC PUMP FAULT light is not illuminated.
·
Yes, select the ECAM ELEC
page.
·
Yes, select the ECAM HYD page.
·
No. It is not possible.
31.
The
RAT is capable of powering a pump which will pressurize:
·
Only the blue system.
·
All systems.
·
The blue and yellow system.
·
The blue and green system.
32.
How
is the yellow hydraulic system pressurized?
·
An engine driven pump, an electric pump, the PTU using
the green system and, for the cargo doors only, a hand pump.
·
An engine driven pump,
electric pump, the PTU using the blue system and, for the cargo doors only, a
hand pump.
·
An engine driven pump, an
electric pump, and the PTU using the green system.
33.
When
will normal operation of the BLUE system hydraulic pump begin?
·
During the first engine start.
·
When the first engine MASTER
switch is moved to the ON position.
·
Only when the RAT is
deployed.
·
After both engines are
started.
34.
The
PTU comes into action automatically when the differential pressure between the
GREEN and the YELLOW systems is greater than ______ psi.
·
300.
·
500.
·
650.
·
700.
35.
When
will the yellow system electric pump operate? (AC power is available)
·
During the second engine
start.
·
When the yellow electric system ELEC PUMP push button is
selected to ON or the ground crew activates a cargo door switch.
·
If any N2 RPM is less than
45%.
·
When the first engine MASTER
switch is moved to the ON position.
36.
What
is the normal pressure in the hydraulic system?
·
500 psi.
·
1,000 psi.
·
3,000 psi.
·
2,000
psi
37.
You
are at the gate. You have started engine #2. Before starting engine #1, you
notice that the PTU test has not been activated. Is it normal.
·
No. You have to call the
mechanics.
·
The PTU has been shutoff
·
The PTU will not work until the second engine has been
started.
38.
You
get a G RSVR OVHT message. Why does the ECAM procedure ask you to switch the
PTU off first?
·
To prevent the hot hydraulic
fluid from being transferred to the YELLOW system.
·
To depressurize the YELLOW
and GREEN systems.
·
To prevent the BLUE system
from pressurizing the GREEN system.
·
To prevent the PTU from pressurizing the GREEN
system
39.
For
hydraulic system malfunctions, when will the RAT deploy?
·
Automatically with the
failure of both the green and blue hydraulic systems.
·
Automatically with the
failure of both the green and yellow hydraulic systems.
·
Only when the guarded RAT MAN ON push button is
selected by the crew.
·
When airspeed drops below 100
knots with the gear up.
40.
What
does the RAT MAN ON switch do?
·
Extends RAT, pressurizes BLUE
system, starts Emergency Generator.
·
Extends RAT, must push RAT
MAN ON again to pressurize BLUE system.
·
Extends RAT, pressurizes
GREEN system, starts Emergency Generator.
·
Extends RAT, pressurizes BLUE system, does not start
Emergency Generator.
41.
Describe
the PTU status with a green system reservoir overheat, low pressure or low
fluid level.
·
The PTU will be inhibited
·
The crew must select the PTU
ON.
·
The PTU fault light will remain illuminated as long as
the problem exists. The PTU should be selected
OFF.
·
The crew must select the PTU
OFF then ON
42.
During
engine start up, when is the BLUE hydraulic system pressurized?
·
As soon as the PTU is turned
on.
·
As soon as the BLUE electric
pump is manually turned on.
·
Automatically after first engine start.
·
As soon as the engine master
switch is set to IGN/START
43.
If
you lost the GREEN system, what equipment is lost?
·
Reverser 1 and gear retraction. …………………. As
in New Fcom
·
Reverser 1, gear retraction and nose wheel steering.
……….. as in old Fcom
·
Reverser 2, gear retraction,
cargo doors and nose wheel steering.
·
Reverser 2 and gear
retraction.
44.
Crew
members can use a hand pump to pressurize the YELLOW system in order to operate
the cargo doors when no electrical power is available.
·
True.
·
False.
45.
If
you lost the YELLOW system, what equipment is lost?
·
Reverser 2
·
Parking
brake accumulator recharging
·
Cargo door.
·
All of the above.
46.
On
the hydraulic quantity indicator what does the amber level indicate?
·
The warning level.
·
The reservoir contents
·
The normal filling level
·
The temperature of the hydraulic fluid.
47.
What
does a PTU FAULT light indicate?
·
GREEN or YELLOW reservoir
overheat.
·
GREEN or YELLOW reservoir low
air pressure.
·
GREEN or YELLOW reservoir low
level..
·
All of the above.
48.
If
you lost the BLUE system, what equipment is lost?
·
The Emergency generator.
·
Cargo door
·
Nose wheel sterring.
·
All of the above.
49.
All
hydraulic systems have a fire shutoff valve.
·
True.
·
False.
50.
What
is the signification of an amber RAT indicator (ECAM HYD page)?
·
The RAT is uncorrectly
stowed.
·
The RAT is not stowed.
·
Pressure for stowing the RAT has been applied, or the RAT
pump is not available.
·
By de-pressing the Hydraulic
Shut Off Switches.
·
By selecting the Hydraulic
Valve Switch to the \"Closed\" position
·
By de-pressing the Engine Fire Swithces
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