A320 Systems - Landing Gear

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1. Which hydraulic system(s) supply pressure to the landing gear system? A: Green B: Blue C: Yellow and Blue D: Green and Blue

A

11. How can the brake accumulator be re-pressurized? A: With the yellow electric hydraulic pump. B: With the blue electric hydraulic pump. C: Both are correct.

A

13. Which hydraulic system supplies pressure to the nose wheel steering? A: Green B: Blue C: Green and Blue. D: Yellow.

A

16. What is required to arm the auto brakes? A: Green hydraulic pressure available, anti-skid, no failures in the braking system. B: Landing gear lever selected down and selection of an autobraking rate. C: Both are correct.

A

21. Auto brake may be armed with the parking brake on. A: True. B: False.

A

26. What system pressure does the ACCU PRESS and BRAKES pressure indicator indicate? A: Yellow brake accumulator and yellow brake system pressure to the left and right brakes. B: Yellow brake accumulator and green brake system pressure to the left and right brakes. C: Yellow brake accumulator and green or yellow brake system pressure to the left and right brakes. D: Blue brake accumulator and green brake system pressure to the left and right brakes.

A

28. Wheel page of ECAM: if you see a green arc shown over a wheel indication: A: It marks the hottest brake with a temperature of more than 100°C. B: It indicates an abnormal high temperature. C: The A/SKID system is automatically releasing the pressure of that brake. D: The L/G control system has detected a low tire profile.

A

33. The gear doors remain open after a manual extension. A: True. B: False. Note: You have to expect decreased performance in the event of a go-around.

A

35. The green DECEL light on the autobrake pushbutton illuminates when the actual airplane deceleration corresponds to what percentage of the selected rate? A: 80% B: 90% C: 92% D: 95%

A

36. Each main wheel has an antiskid brake. A: True. B: False.

A

38. The autobrake will arm if at least one ADIRS is functioning A: True. B: False. (Note: The system needs also:- Green pressure available.- electric power on antiskid- No failure in the braking system.)

A

43. When is pressure in the nose wheel steering system shut off? A: With towing lever in towing position or both engines are shut down or the A/SKID & N/W STRG switch is OFF B: During ground towing with one engine shut down or when aircraft speed is >60 kts C: When the aircraft is on the ground with speed above 100 kts

A

49. Is it possible (system wise) to lower the gear by gravity above 260 kts? A: Yes B: No C: Yes, but only if green hydraulics available D: Yes, but only if yellow hydraulic available

A

5. On the E/WD, you notice the NW STRG DISC memo. What does it mean? A: The nose wheel steering has been disconnected by ground personnel. B: A failure in the nose wheel steering system has been detected. C: There is a discrepancy between the two nose wheel steering handwheel positions D: The nose wheel steering computer has finished its self test.

A

50. System page "Wheel". L/G position indicators (triangles), first line shows green triangles, second line behind shows amber crosses. Is the landing gear down? A: Yes B: No C: Right hand gear only is down D: Left hand gear only is down.

A

53. The antiskid system gets its reference speed from: A: The ADIRS B: A wheel tachometer C: The LGCIU's D: The BSCU's

A

55. Following failure of all 3 ADIRS, is antiskid available? A: Yes B: No C: Only with Yellow hydraulics D: Only with Green hydraulics

A

56. Alternate braking using the Yellow system. Autobrake is: A: Lost B: Still available with anti-skid C: Still available without anti-skid D: Still available provided Yellow system hydraulic pressure is available.

A

61. On wheel page of ECAM, Autobrake is flashing green. What does it mean? A: Autobrake is disengaged B: Autobrake failure C: Anti-skid failure D: Autobrake in operation

A

62. On the ramp with APU running, park brake is set on, message on ECAM memo shows Park Brake. A: In Green B: In Yellow C: In White D: In White or Yellow

A

10. Can the gear be extended above 260 kts if necessary? A: Never. B: Yes, but only manually C: Yes, but the ultimate limit is 285 kt CAS

B

12. You are ready to taxi. You apply the toe brakes on the rudder pedals and release the PARK BRK. The BRAKES pressure falls to zero. What should you do? A: This should not happen and you must assume that the BRAKES pressure indicator has failed. B: Nothing as this is normal. The BRAKES pressure indicator only indicates alternate (yellow) brake pressure. C: You must re-apply the PARK BRK and call for maintenance personnel as the main system pressure has failed. D: The indication is normal because once the AUTO BRK is set to MAX the BRAKES indicator is by-passed.

B

14. The anti deactivates when ground speed is less than ______. A: 10 kts. B: 20 kts. C: 25 kts. D: 30 kts.

B

15. If the BSCU detects a brake system malfunction in flight with the A/SKID & N/W STRG switch in the ON position: A: The crew will be notified with an ECAM message after touchdown if the brake system does malfunction. B: The crew will be notified with an ECAM message. C: The crew must manually select alternate brakes. D: All of the above.

B

18. How many turns are required on the gravity extension hand crank to extend the landing gear? A: 2 B: 3 C: 5 D: 6

B

2. The braking modes are: A: Green with anti-skid, Yellow without anti-skid, Parking brake. B: Green or Yellow with anti-skid, Yellow without anti-skid, parking brake C: Green with or without anti-skid, Blue without anti-skid

B

20. If the Landing Gear was gravity extended using the hand crank on the center pedestal, what other systems will be inoperative? A: Nose wheel steering and auto braking. B: Nose wheel steering only. C: Anti-skid and auto braking. D: Nose wheel steering and anti-skid.

B

22. Can normal landing gear operation be restored after a gravity extension if green hydraulic pressure is available? A: Restoration is always possible. B: It may be possible if the gravity extension was not caused by a failure of the landing gear mechanism. C: No, only maintenance can restore normal operation.

B

23. When the landing gear is gravity extended, will nose wheel steering be available? A: Only if the A/SKID & N/W STRG switch is selected ON. B: No. C: Limited nose wheel steering is available only through the captain's rudder pedals.

B

25. There are two triangles for each gear on the ECAM WHEEL page. What do they represent? A: Each triangle represents one wheel on the gear. B: Each triangle represents the position detected by one of the two computers systems. C: Each triangle represents one of the braking systems available for that gear. D: The front triangle indicates the position of that gear and the back triangle indicates the status of the brakes for that gear.

B

29. Nose wheels and main wheels have fusible plugs that prevent the tires from bursting if they overheat. A: True. B: False. (Note: Only the main wheels)

B

30. With the A/SKID & N/W STRG switch in the ON position, if the BSCU detects a brake system malfunction and/or normal braking is not available A: The crew will be notified with an ECAM message only if after touchdown the brake system does actually malfunction. B: Transition to the alternate brake system is automatic.

B

37. The parking brake accumulator is designed to maintain the parking pressure for at least ______. A: 6 hours. B: 12 hours. C: 18 hours. D: 24 hours.

B

39. What happens to the other brake modes when parking brakes are applied? A: There is no change. B: All other braking modes and antiskid are deactivated. C: Antiskid mode only is deactivated.

B

40. Maximum speed for landing gear retraction is: A: 200 kts B: 220 kts C: 235 kts D: 250 kts

B

42. Nose wheel steering is controlled by: A: LGCIU 1. B: BSCU C: LGCIU 2 D: LGCIU 1 or 2

B

54. The principle of the anti-skid is: A: Comparing the speed difference between the four wheels B: Comparing wheel speeds with aircraft reference speed C: Comparing wheel speeds between left and right landing gear D: Comparing left and right wheel speeds on the same landing gear.

B

60. The Hot light on the brake fan pushbutton illuminates when brake temperature reaches: A: 250 deg.C B: 300 deg.C C: 350 deg.C D: 400 deg.C

B

66. The maximum speed with landing gear extended (VLE) is: A: 260 kts / M.65 B: 280 kts / M.67 C: 300 kts / M.70 D: 320 kts / M.72

B

67. Which ADIRS close the safety valve of the green hydraulic supply when speed is > 260 kts. A: ADIRS 1 & 2 B: ADIRS 1 & 3 C: ADIRS 2 & 3 D: ADDIRS 2 or 3

B

68. What is the maximum tyre speed? A: 185 kts B: 195 kts C: 205 kts D: 225 kts

B

7. Landing Gear position is indicated by: A: One panel on center instrument panel, one panel on overhead panel B: ECAM only C: One panel on center instrument panel and ECAM D: One panel on center instrument panel, ECAM, visual means on the wing.

B

8. If the landing gear was gravity extended using the hand crank on the center pedestal, landing gear position must be verified through: A: The landing gear viewers. B: The landing gear indications depicted on the ECAM and, if available, the center panel LDG GEAR indicator panel lights. C: Both are correct.

B

9. Landing gear operation is inhibited at speeds: A: Below 100 knots. B: Above 260 knots +/- 5 knots. C: below 100 knots and above 260 knots. D: Above 250 knots.

B

17. What does each turn of the gravity gear extension handle do? A: Open gear doors, unlock gear, drop gear. B: Open gear doors, drop gear, shut doors. C: Shutoff hydraulic pressure, open doors, unlock gear. D: Open gear doors, shutoffs hydraulics, unlock gear, drop gear.

C

31. You have just set the parking brake handle to ON. Is it still possible to check the main brake system using the toe brakes? A: Yes. As soon as you press the brake pedals the BRAKES indicator will read main system pressure. B: No. It is not possible to press hard enough to obtain an accurate reading. ***C: No. When the PARK BRK is set, the other braking modes are deactivated.

C

32. If the accumulator on the alternate brake system is your only source pressure, which of the following will be available? A: Auto brakes and antiskid. B: Antiskid. C: Seven applications of the brake pedals. D: Three applications of the brake pedals

C

34. The steering handwheels, which are interconnected, can steer the nose wheel up to _____ in either direction. A: 55°. B: 65° C: 75° D: 90°

C

44. Hand wheel and pedals are operated simultaneously: A: Hand wheel has priority B: Pedals have priority (depending on speed) C: BSCU transforms these orders into nose wheel steering angle (signals are mathematically added) D: Hand wheel input will not be affected by pedals.

C

46. When both hand wheels are operated simultaneously, the signals: A: From the first pilot acting on his hand wheel have priority B: Coming from the captain have priority C: Are algebraically added D: From the F/O have priority

C

47. Nose wheel steering is available: A: Aircraft speed below 70 kts, both engines (required to be) running, Towing lever in normal position, aircraft on ground. B: Aircraft speed below 70 kts, both engines (required to be) running, Towing lever in normal position, aircraft on ground or in the air C: Aircraft speed below 70 kts, one engine (required to be) running, Towing lever in normal position, aircraft on ground. D: Aircraft speed below 70 kts, both engines (required to be) running), Towing lever in standby position, aircraft on ground.

C

48. After T/O the left main landing gear shock absorber is stuck in the compressed position. A: The gear can be retracted under all circumstances B: The gear cab be retracted provided the nose gear is centered C: The gear cannot be retracted, gear lever is blocked (interlock mechanism) D: The gear can be retracted once the nose wheel steering is centered

C

51. During the approach you get master warning and ECAM "Gear Not Down". The reason is: A: Landing gear is not down locked and flaps 3 or full and both radio altimeters failed B: Landing gear is not down locked, flaps at 3 and radio height lower than 750 ft C: All of the above D: None of the above.

C

52. The alternate brake system uses: A: The Yellow hydraulic system B: The hydraulic accumulator C:The Yellow hydraulic system and the hydraulic accumulator D: The Blue electric pump.

C

63. The landing gear indicator panel receives the information from micro switches and proximity detectors connected to: A: BSCU B: LGCIU 2 C: LGCIU 1 D: BSCU and LGCIU 2

C

65. Landing gear indicator panel UNLK light illuminates red if A: Gear is extended by gravity and doors are not closed B: Gear is extended normally and doors are not closed C: Gear is not locked in selected position D: Gear is not selected down by 1,000 ft RA.

C

19. How do you manually extend the landing gear? A: Lift the red handle and turn anticlockwise 4 turns. B: Lift the red handle and turn anticlockwise a minimum of 2 turns. C: Lift the red handle and turn clockwise a minimum of 4 turns. D: Lift the red handle and turn clockwise a 3 turns.

D

24. Auto brakes, if selected, will only be activated by: A: The wheels spinning up. B: The struts being compressed. C: The brake pedals being depressed. D: The ground spoiler extension command.

D

27. The normal brake system uses _____ hydraulic pressure and the alternate brake system uses _____ hydraulic pressure backed up by the hydraulic brake accumulator A: Green - Blue B: Yellow - Blue C: Yellow - Green D: Green - Yellow.

D

3. If the brake system automatically transitions to alternate brakes with the A/SKID & N/W STRG switch in the ON position, which of the following will be available? A: Auto brakes and anti-skid. B: Only auto brakes. C: Brakes, auto brakes, anti-skid. D: Anti-skid.

D

4. What is indicated by the autobrake DECEL lights? A: Airplane deceleration is 25% of selected rate. B: Airplane deceleration is 50% of selected rate. C: Airplane deceleration is 100% of selected rate. D: Airplane deceleration is 80% of selected rate.

D

41. Nose wheel steering is available when: A: Gear doors open B: All gear doors closed C: The Push button on either steering hand wheel is depressed D: Nose gear doors closed

D

45. Nose wheel steering by rudder pedals is limited to: A: +/- 6 degrees under all conditions B: +/- 75 degrees C: +/- 90 degrees D: Maximum +/- 6 degrees depending on aircraft speed

D

57. Autobraking is initiated by: A: Reverse thrust selection B: Nose gear oleo compression C: Main gear oleo compression D: Ground spoilers extension

D

58. The brake & Accumulator pressure gauge shows pressure from: A: The Yellow hydraulic system B: The Accumulator only C: The Green hydraulic system D: Both Yellow brake system and the Brake Accumulator

D

6. During pushback, you start engine #2. You observe the NW STRG DISC memo has changed to amber. Why? A: The NW STRG disconnect mechanism has failed. B: The yellow hydraulic system is now pressurized and the amber caption is a warning not to move the handwheel C: The nose wheel steering is being reconnected by ground personnel. It is amber because the pin is removed. D: The memo has become amber because one engine is running.

D

64. The red arrow, near the landing gear lever illuminates when: A: Landing gear is not up locked after retraction B: Landing gear is in abnormal position C: Landing gear is in transit D: Landing gear is not down locked in approach configuration

D

59. Max braking has been selected. Takeoff being aborted, engines in reverse, you have forgotten to arm the ground spoilers. Is autobrake activated? *A: No because spoilers will not deploy if not armed *B: Yes, provided speed is less than 72 knots *C: Yes, but only if Yellow hydraulic pressure is available *D: Yes, because spoilers will still deploy.

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