Hydraulic System A320 Questions 6c4d17
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HYDRAULIC SYSTEM A320 QUESTIONS For hydraulic system malfunctions, when will the RAT deploy ? a. Only when the guarded RAT MAN ON pushbuttom is selected by the crew b. When airspeed drops below 100 knots with the gear up c. Automatically with the failure of both the green and blue hyd systems
It is possible to pressurize the green hydraulic system on the ground via the PTU when the parking brake is set a. False b. True
Fluid can be transferred between hydraulic systems a. True b. False
The Load Alleviation Function (LAF) accumulators are pressurized by which hydraulic systems? a. Green and Blue b. Blue and Yellow c. Green and Yellow
The RAT pressurizes the Blue hydraulic system to approximately_____ psi a. b. c. d.
2500 psi 1500 psi 2000 psi 3000 psi
The hand pump supplies yellow system pressure to the : a. b. c. d.
Alternate brakes engers doors Normal brakes Cargo doors
What are the major equipment losses with loss of Green system? a. b. c. d.
Alternate brakes The upper and lower rudders Nosewheel steering , Autobrakes Speed Brakes
What does a PTU FAULT light indicate ? a. b. c. d.
Green or Yellow reservoir low air pressure All of the above Green and Yellow reservoir overheat Green and Yellow reservoir low level
All hydraulic system have a fire shutoff valve a. False b. True
The pump identification number on the ECAM HYD page becomes amber when : a. The reservoir level is low b. System pressure is below 1450 psi c. N2 is below idle
The Green DECEL light on the AUTOBRAKE switch illuminates when the actual airplane deceleration corresponds to ___% of the selected rate a. b. c. d.
95 80 100 105
The aircrafts three hydraulic systems are normally pressurized by : a. b. c. d.
Two electric pumps and one engine driven pump Two engines driven pumps and one electric pump Two electric pumps and two engine driven pumps Two electric pumps and one PTU
Autobraking is iniciated by : a. Strut compression b. Reverser action c. Ground spoiler extension command
When will the yellow system electric pump operate? (AC power is available) a. When the yellow electric system ELEC PUMP pusbuttom is selected to ON or the ground crew activates a cargo door switch b. If any N2 rpm is less than 45% c. When the first engine MASTER switch is moved to the ON position d. During the second engine start
What is the normal pressure in the hydraulic system ? a. b. c. d.
1000 psi 3500 psi 3000 psi 2800 psi
How is the yellow hydraulic system pressurized ? a. An engine driven pump,an electric pump and the PTU using the green system b. An engine diven pump,an electric pump,the PTU using the green system and for the cargo doors only a hand pump c. An engine driven pump, electric pump,the PTU using the blue system and for the cargo doors only, a hand pump
During engine start up, when is the Blue system pressurized ? a. b. c. d.
Automatically after first engine start As soon as the PTU is turned ON As soon as the Blue electric pump is manually turned On As soon as the engine MASTER SWITCH is set to IGN/START
If you lost the Blue system, what equipment is lost ? a. Cargo doors b. Nose wheel steering c. The emergency generator
When using the alternate brakes system on accumulator pressure only, the accumulator supplies : a. Alternate brakes with antiskid b. Partial Brakes c. At least seven full brakes applications
If you lost the Yellow system, what equipment is lost ? a. b. c. d.
Cargo door Reverser 2 All the above Parking brake accumulator recharging
The brakes pressure indication on TRIPLE PRESSURE INDICATOR reads which system pressure? a. Yellow b. Green c. Blue
You are at the gate. You have started Eng2. Before starting Eng1, you notice that the PTU test has not been activated. Is it normal ? a. No. You have to call the mechanics b. The PTU will not work until the second engine has been started c. The PTU has been shutoff
The RAT is capable of powering a pump which will pressurize : a. b. c. d.
The Blue and Green system Only the Blue system All system The Blue and Yellow system
Which hydraulic system have engine driven pumps ? a. Green and Yellow b. Green and Blue c. Yellow and Blue
Crew can use a hand pump to pressurize the Yellow system in order to operate the cargo doors when no electrical power ia available a. True b. False
What does the RAT MAN ON switch do ? a. Extends RAT, pressurizes Green system, starts Emergency Generator b. Extends RAT, must push RAT MAN ON again to pressurized Blue system c. Extends RAT, pressurizes Blue system, does not start Emergency Generator
What is the signification of an amber RAT indicator (ECAM HYD page) a. Pressure for stowing the RAT has been applied, or the RAT pump is not b. The RAT is uncorrectly stowed c.
The RAT is not stowed
As long as the landing gear level is UP a hyd safety valve closes to cut off the hydraulic supply to the gear when the airspeed is : a. b. c. d.
Less than 260 kias Less than 230 kias Greater than 230 kias Greater than 260 kias
Describe the PTU status with a green system reservoir overheat, low pressure or low fluid level a. The crew must select the PTU ON b. The PTU fault light will remain illuminated as long as the problem exists. The PTU should be selected OFF c. The crew must select the PTU OFF then ON
To extend the landing gear with the Gravity Extension Handcrank requires___turns of the handle a. 3 counter-clockwise b. 3 clockwise c. 2 counter-clockwise
On the hydraulic quantity indicator what does the amber level indicate? a. The reservoir contents b. The normal filling level c. The warning level
The hydraulic PTU will activate if : a. Both are correct b. A significant pressure loss occurs in any of the three hydraulic systems c. A significant pressure loss occurs in the green or yellow hyd systems
The PTU comes into action automatically when the differential pressure between the Green and the Yellow systems is greater than ___ psi a. b. c. d.
500 psi 600 psi 550 psi 350 psi
How many pumps has the yellow system to provide pressure (not counting the PTU) a. b. c. d.
3 1 2 4
If you lost Green system what equipment is lost ? a. b. c. d.
Reverser 2 and Gear retraction Reverser 2 gear retraction cargo doors and nose wheel steering Reverser 1 gear retraction and nose wheel steering Reverser 1 and gear retraction
How can the pilot switch off the Fire Shutoff Valves ? a. By selecting the Hydraulic Valve Switch to the “Closed” position b. By de-pressing the Hydraulic Shutoff Switches c. By de-pressing the Engine Fire Switches
With the airplane on the ground and the blue electric pump switch in AUTO, the blue pump will be energized when : a. The BLUE PUMP OVRD switch has been pressed b. First two statement are correct c. One engine is running
The ___ hydraulic system provides power for gear extension/retraction a. Blue b. Green c. Yellow
The PTU FAULT light illuminates when the : a. PTU pump has overheat b. PTU is inoperative c. Green and Yellow reservoir has low air pressure
You get a G RSVR OVHT message. Why does the ECAM procedure ask you to switch the PTU off first ? a. b. c. d.
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 To prevent the hot hydraulic fluid from being transferred tom the Yellow system
After extending the RAT, is it possible to check its position and status ? a. Check to see if the blue system ELEC PUMP FAULT light is not illuminated b. Yes, select the ECAM ELEC page c. Yes, select the ECAM HYD page
The maximum degrees of nosewheel steering available when using the handwheel is ___ a. b. c. d.
+ / - 65 + / - 75 + / - 100 + / - 90
When will normal operation of the Blue system hydraulic pump begin ? a. b. c. d.
When the first engine MASTER switch is moved to the ON position After both engines are started During the first engine start Only when the RAT is deployed
The alternate brake system has the same capabilities as normal brakes except: a. Auto brakes are inoperative b. Antiskid is inoperative c. Both statement are correct
The ENG PUMP FAULT light extinguisher when the engine pump switch is selected to off except for : a. Reservoir low level b. An overheat c. Pump low pressure
It is possible to pressurize the green hydraulic system on the ground via the PTU when the parking brake is set a. False b. True
Fluid can be transferred between hydraulic systems a. True b. False
The Load Alleviation Function (LAF) accumulators are pressurized by which hydraulic systems? a. Green and Blue b. Blue and Yellow c. Green and Yellow
The RAT pressurizes the Blue hydraulic system to approximately_____ psi a. b. c. d.
2500 psi 1500 psi 2000 psi 3000 psi
The hand pump supplies yellow system pressure to the : a. b. c. d.
Alternate brakes engers doors Normal brakes Cargo doors
What are the major equipment losses with loss of Green system? a. b. c. d.
Alternate brakes The upper and lower rudders Nosewheel steering , Autobrakes Speed Brakes
What does a PTU FAULT light indicate ? a. b. c. d.
Green or Yellow reservoir low air pressure All of the above Green and Yellow reservoir overheat Green and Yellow reservoir low level
All hydraulic system have a fire shutoff valve a. False b. True
The pump identification number on the ECAM HYD page becomes amber when : a. The reservoir level is low b. System pressure is below 1450 psi c. N2 is below idle
The Green DECEL light on the AUTOBRAKE switch illuminates when the actual airplane deceleration corresponds to ___% of the selected rate a. b. c. d.
95 80 100 105
The aircrafts three hydraulic systems are normally pressurized by : a. b. c. d.
Two electric pumps and one engine driven pump Two engines driven pumps and one electric pump Two electric pumps and two engine driven pumps Two electric pumps and one PTU
Autobraking is iniciated by : a. Strut compression b. Reverser action c. Ground spoiler extension command
When will the yellow system electric pump operate? (AC power is available) a. When the yellow electric system ELEC PUMP pusbuttom is selected to ON or the ground crew activates a cargo door switch b. If any N2 rpm is less than 45% c. When the first engine MASTER switch is moved to the ON position d. During the second engine start
What is the normal pressure in the hydraulic system ? a. b. c. d.
1000 psi 3500 psi 3000 psi 2800 psi
How is the yellow hydraulic system pressurized ? a. An engine driven pump,an electric pump and the PTU using the green system b. An engine diven pump,an electric pump,the PTU using the green system and for the cargo doors only a hand pump c. An engine driven pump, electric pump,the PTU using the blue system and for the cargo doors only, a hand pump
During engine start up, when is the Blue system pressurized ? a. b. c. d.
Automatically after first engine start As soon as the PTU is turned ON As soon as the Blue electric pump is manually turned On As soon as the engine MASTER SWITCH is set to IGN/START
If you lost the Blue system, what equipment is lost ? a. Cargo doors b. Nose wheel steering c. The emergency generator
When using the alternate brakes system on accumulator pressure only, the accumulator supplies : a. Alternate brakes with antiskid b. Partial Brakes c. At least seven full brakes applications
If you lost the Yellow system, what equipment is lost ? a. b. c. d.
Cargo door Reverser 2 All the above Parking brake accumulator recharging
The brakes pressure indication on TRIPLE PRESSURE INDICATOR reads which system pressure? a. Yellow b. Green c. Blue
You are at the gate. You have started Eng2. Before starting Eng1, you notice that the PTU test has not been activated. Is it normal ? a. No. You have to call the mechanics b. The PTU will not work until the second engine has been started c. The PTU has been shutoff
The RAT is capable of powering a pump which will pressurize : a. b. c. d.
The Blue and Green system Only the Blue system All system The Blue and Yellow system
Which hydraulic system have engine driven pumps ? a. Green and Yellow b. Green and Blue c. Yellow and Blue
Crew can use a hand pump to pressurize the Yellow system in order to operate the cargo doors when no electrical power ia available a. True b. False
What does the RAT MAN ON switch do ? a. Extends RAT, pressurizes Green system, starts Emergency Generator b. Extends RAT, must push RAT MAN ON again to pressurized Blue system c. Extends RAT, pressurizes Blue system, does not start Emergency Generator
What is the signification of an amber RAT indicator (ECAM HYD page) a. Pressure for stowing the RAT has been applied, or the RAT pump is not b. The RAT is uncorrectly stowed c.
The RAT is not stowed
As long as the landing gear level is UP a hyd safety valve closes to cut off the hydraulic supply to the gear when the airspeed is : a. b. c. d.
Less than 260 kias Less than 230 kias Greater than 230 kias Greater than 260 kias
Describe the PTU status with a green system reservoir overheat, low pressure or low fluid level a. The crew must select the PTU ON b. The PTU fault light will remain illuminated as long as the problem exists. The PTU should be selected OFF c. The crew must select the PTU OFF then ON
To extend the landing gear with the Gravity Extension Handcrank requires___turns of the handle a. 3 counter-clockwise b. 3 clockwise c. 2 counter-clockwise
On the hydraulic quantity indicator what does the amber level indicate? a. The reservoir contents b. The normal filling level c. The warning level
The hydraulic PTU will activate if : a. Both are correct b. A significant pressure loss occurs in any of the three hydraulic systems c. A significant pressure loss occurs in the green or yellow hyd systems
The PTU comes into action automatically when the differential pressure between the Green and the Yellow systems is greater than ___ psi a. b. c. d.
500 psi 600 psi 550 psi 350 psi
How many pumps has the yellow system to provide pressure (not counting the PTU) a. b. c. d.
3 1 2 4
If you lost Green system what equipment is lost ? a. b. c. d.
Reverser 2 and Gear retraction Reverser 2 gear retraction cargo doors and nose wheel steering Reverser 1 gear retraction and nose wheel steering Reverser 1 and gear retraction
How can the pilot switch off the Fire Shutoff Valves ? a. By selecting the Hydraulic Valve Switch to the “Closed” position b. By de-pressing the Hydraulic Shutoff Switches c. By de-pressing the Engine Fire Switches
With the airplane on the ground and the blue electric pump switch in AUTO, the blue pump will be energized when : a. The BLUE PUMP OVRD switch has been pressed b. First two statement are correct c. One engine is running
The ___ hydraulic system provides power for gear extension/retraction a. Blue b. Green c. Yellow
The PTU FAULT light illuminates when the : a. PTU pump has overheat b. PTU is inoperative c. Green and Yellow reservoir has low air pressure
You get a G RSVR OVHT message. Why does the ECAM procedure ask you to switch the PTU off first ? a. b. c. d.
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 To prevent the hot hydraulic fluid from being transferred tom the Yellow system
After extending the RAT, is it possible to check its position and status ? a. Check to see if the blue system ELEC PUMP FAULT light is not illuminated b. Yes, select the ECAM ELEC page c. Yes, select the ECAM HYD page
The maximum degrees of nosewheel steering available when using the handwheel is ___ a. b. c. d.
+ / - 65 + / - 75 + / - 100 + / - 90
When will normal operation of the Blue system hydraulic pump begin ? a. b. c. d.
When the first engine MASTER switch is moved to the ON position After both engines are started During the first engine start Only when the RAT is deployed
The alternate brake system has the same capabilities as normal brakes except: a. Auto brakes are inoperative b. Antiskid is inoperative c. Both statement are correct
The ENG PUMP FAULT light extinguisher when the engine pump switch is selected to off except for : a. Reservoir low level b. An overheat c. Pump low pressure
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