HYDRAULICS
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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