Landing gear A320 – Air – DGCA Question Bank For Politics

#1. Which hydraulic system(s) supply pressure to the landing gear system?

Green

Blue

Green and Blue.

Yellow and Blue

#2. The braking modes are:

Green with anti-skid, Yellow without anti-skid, Parking brake

Green or Yellow with anti-skid, Yellow without anti-skid, parking brake

Green with or without anti-skid, Blue without anti-skid

#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?

Only auto brakes.

Auto brakes and anti-skid.

Brakes, auto brakes, anti-skid.

Anti-skid.

#4. What is indicated by the autobrake DECEL lights?

Airplane deceleration is 25% of selected rate.

Airplane deceleration is 50% of selected rate.

Airplane deceleration is 100% of selected rate.

Airplane deceleration is 80% of selected rate.

#5. On the E/WD, you notice the NW STRG DISC memo. What does it mean?

The nose wheel steering has been disconnected by ground personnel.

There is a discrepancy between the two nose wheel steering handwheel positions

A failure in the nose wheel steering system has been detected.

#6. During pushback, you start engine #2. You observe the NW STRG DISC memo has changed to amber. Why?

The NW STRG disconnect mechanism has failed.

The yellow hydraulic system is now pressurized and the amber caption is a warning not to move the handwheel

The nose wheel steering is being reconnected by ground personnel. It is amber because the pin is removed.

The memo has become amber because one engine is running

#7. Landing Gear position is indicated by:

One panel on center instrument panel, one panel on overhead panel

ECAM only

One panel on center instrument panel and ECAM

One panel on center instrument panel, ECAM, visual means on the wing.

#8. If the landing gear was gravity extended using the hand crank on the center pedestal, landing gear position must be verified through:

The landing gear viewers.

The landing gear indications depicted on the ECAM and, if available, the center panel LDG GEAR indicator panel lights.

Both are correct.

#9. Landing gear operation is inhibited at speeds:

Above 260 knots +/- 5 knots.

Below 100 knots.

below 100 knots and above 260 knots

Above 250 knots.

#10. Can the gear be extended above 260 kts if necessary?

Never

Yes, but only manually

Yes, but the ultimate limit is 285 kt CAS

#11. How can the brake accumulator be re-pressurized?

With the yellow electric hydraulic pump.

With the blue electric hydraulic pump.

Both are correct.

#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?

This should not happen and you must assume that the BRAKES pressure indicator has failed.

Nothing as this is normal. The BRAKES pressure indicator only indicates alternate (yellow) brake pressure.

You must re-apply the PARK BRK and call for maintenance personnel as the main system pressure has failed.

The indication is normal because once the AUTO BRK is set to MAX the BRAKES indicator is by-passed.

#13. Which hydraulic system supplies pressure to the nose wheel steering?

Green

Blue

Green and Blue.

Yellow

#14. The anti deactivates when ground speed is less than ______.

10 kts

20 kts

25 kts

30 kts

#15. If the BSCU detects a brake system malfunction in flight with the A/SKID & N/W STRG switch in the ON position:

The crew will be notified with an ECAM message after touchdown if the brake system does malfunction.

The crew will be notified with an ECAM message.

The crew must manually select alternate brakes.

All of the above.

#16. What is required to arm the auto brakes?

Green hydraulic pressure available, anti-skid, no failures in the braking system.

Landing gear lever selected down and selection of an autobraking rate.

Both are correct.

#17. What does each turn of the gravity gear extension handle do?

Open gear doors, drop gear, shut doors.

Open gear doors, unlock gear, drop gear.

Shutoff hydraulic pressure, open doors, unlock gear.

Open gear doors, shutoffs hydraulics, unlock gear, drop gear.

#18. How many turns are required on the gravity extension hand crank to extend the landing gear?

2

3

4

5

#19. How do you manually extend the landing gear?

Lift the red handle and turn anticlockwise 4 turns.

Lift the red handle and turn anticlockwise a minimum of 2 turns.

Lift the red handle and turn clockwise a minimum of 4 turns.

Lift the red handle and turn clockwise a 3 turns.

#20. If the Landing Gear was gravity extended using the hand crank on the center pedestal, what other systems will be inoperative?

Nose wheel steering and auto braking.

Nose wheel steering only.

Anti-skid and auto braking.

Nose wheel steering and anti-skid.

#21. Auto brake may be armed with the parking brake on.

True

False

#22. Can normal landing gear operation be restored after a gravity extension if green hydraulic pressure is available?

Restoration is always possible.

It may be possible if the gravity extension was not caused by a failure of the landing gear mechanism.

No, only maintenance can restore normal operation.

#23. When the landing gear is gravity extended, will nose wheel steering be available?

Only if the A/SKID & N/W STRG switch is selected ON.

No

Limited nose wheel steering is available only through the captain’s rudder pedals.

#24. Auto brakes, if selected, will only be activated by:

The wheels spinning up.

The struts being compressed

The brake pedals being depressed.

The ground spoiler extension command.

#25. There are two triangles for each gear on the ECAM WHEEL page. What do they represent?

Each triangle represents one wheel on the gear.

Each triangle represents the position detected by one of the two computers systems.

Each triangle represents one of the braking systems available for that gear.

The front triangle indicates the position of that gear and the back triangle indicates the status of the brakes for that gear.

#26. What system pressure does the ACCU PRESS and BRAKES pressure indicator indicate?

Yellow brake accumulator and yellow brake system pressure to the left and right brakes.

Yellow brake accumulator and green brake system pressure to the left and right brakes.

Yellow brake accumulator and green or yellow brake system pressure to the left and right brakes.

Blue brake accumulator and green brake system pressure to the left and right brakes.

#27. The normal brake system uses _ hydraulic pressure and the alternate brake system uses _ hydraulic pressure backed up by the hydraulic brake accumulator

Green – Blue

Yellow – Blue

Yellow – Green

Green - Yellow

#28. Wheel page of ECAM: if you see a green arc shown over a wheel indication:

It marks the hottest brake with a temperature of more than 100°C

It indicates an abnormal high temperature.

The A/SKID system is automatically releasing the pressure of that brake.

The L/G control system has detected a low tire profile.

#29. Nose wheels and main wheels have fusible plugs that prevent the tires from bursting if they overheat.

True

False

#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

The crew will be notified with an ECAM message only if after touchdown the brake system does actually malfunction.

Transition to the alternate brake system is automatic.

#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?

Yes. As soon as you press the brake pedals the BRAKES indicator will read main system pressure.

No. It is not possible to press hard enough to obtain an accurate reading.

No. When the PARK BRK is set, the other braking modes are deactivated.

#32. If the accumulator on the alternate brake system is your only source pressure, which of the following will be available?

Auto brakes and antiskid.

Antiskid

Seven applications of the brake pedals.

Three applications of the brake pedals

#33. The gear doors remain open after a manual extension.

True

False

#34. The steering handwheels, which are interconnected, can steer the nose wheel up to _____ in either direction.

55°.

65°

75°

90°

#35. The green DECEL light on the autobrake pushbutton illuminates when the actual airplane deceleration corresponds to what percentage of the selected rate?

80%

90%

92%

95%

#36. Each main wheel has an antiskid brake.

True

False

#37. The parking brake accumulator is designed to maintain the parking pressure for at least ______.

6 hours.

12 hours.

18 hours.

24 hours.

#38. The autobrake will arm if at least one ADIRS is functioning

True

False

#39. What happens to the other brake modes when parking brakes are applied?

There is no change.

All other braking modes and antiskid are deactivated.

Antiskid mode only is deactivated.

#40. Maximum speed for landing gear retraction is:

200 kts

220 kts

235 kts

250 kts

#41. Nose wheel steering is available when:

Gear doors open

All gear doors closed

The Push button on either steering hand wheel is depressed

Nose gear doors closed

#42. Nose wheel steering is controlled by:

LGCIU 1

BSCU

LGCIU 2

LGCIU 1 or 2

#43. When is pressure in the nose wheel steering system shut off?

With towing lever in towing position or both engines are shut down or the A/SKID & N/W STRG switch is OFF

During ground towing with one engine shut down or when aircraft speed is >60 kts

When the aircraft is on the ground with speed above 100 kts

#44. Hand wheel and pedals are operated simultaneously:

Hand wheel has priority

Pedals have priority (depending on speed)

BSCU transforms these orders into nose wheel steering angle (signals are mathematically added)

Hand wheel input will not be affected by pedals.

#45. Nose wheel steering by rudder pedals is limited to:

+/- 6 degrees under all conditions

+/- 75 degrees

+/- 90 degrees

Maximum +/- 6 degrees depending on aircraft speed

#46. When both hand wheels are operated simultaneously, the signals:

From the first pilot acting on his hand wheel have priority

Coming from the captain have priority

Are algebraically added

From the F/O have priority

#47. Nose wheel steering is available:

Aircraft speed below 70 kts, both engines (required to be) running, Towing lever in normal position, aircraft on ground.

Aircraft speed below 70 kts, both engines (required to be) running, Towing lever in normal position, aircraft on ground or in the air

Aircraft speed below 70 kts, one engine (required to be) running, Towing lever in normal position, aircraft on ground

Aircraft speed below 70 kts, both engines (required to be) running), Towing lever in standby position, aircraft on ground

#48. After T/O the left main landing gear shock absorber is stuck in the compressed position.

The gear can be retracted under all circumstances

The gear cab be retracted provided the nose gear is centered

The gear cannot be retracted, gear lever is blocked (interlock mechanism)

The gear can be retracted once the nose wheel steering is centered

#49. Is it possible (system wise) to lower the gear by gravity above 260 kts?

Yes

No

Yes, but only if green hydraulics available

Yes, but only if yellow hydraulic available

#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?

Yes

No

Right hand gear only is down

Left hand gear only is down.

#51. During the approach you get master warning and ECAM “Gear Not Down”. The reason is:

During the approach you get master warning and ECAM “Gear Not Down”. The reason is:

Landing gear is not down locked, flaps at 3 and radio height lower than 750 ft

All of the above

None of the above.

#52. The alternate brake system uses:

The Yellow hydraulic system

The hydraulic accumulator

The Yellow hydraulic system and the hydraulic accumulator

The Blue electric pump.

#53. The antiskid system gets its reference speed from:

The ADIRS

A wheel tachometer

The LGCIU’s

The BSCU’s

#54. The principle of the anti-skid is:

Comparing the speed difference between the four wheels

Comparing wheel speeds with aircraft reference speed

Comparing wheel speeds between left and right landing gear

Comparing left and right wheel speeds on the same landing gear.

#55. Following failure of all 3 ADIRS, is antiskid available?

Yes

No

Only with Yellow hydraulics

Only with Green hydraulics

#56. Alternate braking using the Yellow system. Autobrake is:

Lost

Still available with anti-skid

Still available without anti-skid

Still available provided Yellow system hydraulic pressure is available.

#57. Autobraking is initiated by:

Reverse thrust selection

Nose gear oleo compression

Main gear oleo compression

Ground spoilers extension

#58. The brake & Accumulator pressure gauge shows pressure from:

The Yellow hydraulic system

The Accumulator only

The Green hydraulic system

Both Yellow brake system and the Brake Accumulator

#59. Max braking has been selected. Takeoff being aborted, engines in reverse, you have forgotten to arm the ground spoilers. Is autobrake activated?

No because spoilers will not deploy if not armed

Yes, provided speed is less than 72 knots

Yes, but only if Yellow hydraulic pressure is available

Yes, because spoilers will still deploy.

#60. The Hot light on the brake fan pushbutton illuminates when brake temperature reaches:

250 deg.C

300 deg.C

350 deg.C

400 deg.C

#61. On wheel page of ECAM, Autobrake is flashing green. What does it mean?

Autobrake is disengaged

Autobrake failure

Anti-skid failure

Autobrake in operation

#62. On the ramp with APU running, park brake is set on, message on ECAM memo shows Park Brake.

In Green

In Yellow

In White

In White or Yellow

#63. The landing gear indicator panel receives the information from micro switches and proximity detectors connected to:

BSCU

LGCIU 2

LGCIU 1

BSCU and LGCIU 2

#64. The red arrow, near the landing gear lever illuminates when:

Landing gear is not up locked after retraction

Landing gear is in abnormal position

Landing gear is in transit

Landing gear is not down locked in approach configuration

#65. Landing gear indicator panel UNLK light illuminates red if

Gear is extended by gravity and doors are not closed

Gear is extended normally and doors are not closed

Gear is not locked in selected position

Gear is not selected down by 1,000 ft RA.

#66. The maximum speed with landing gear extended (VLE) is:

260 kts / M.65

280 kts / M.67

300 kts / M.70

320 kts / M.72

#67. Which ADIRS close the safety valve of the green hydraulic supply when speed is > 260 kts.

ADIRS 1 & 2

ADIRS 1 & 3

ADIRS 2 & 3

ADDIRS 2 or 3

#68. What is the maximum tyre speed?

185 kts

195 kts

205 kts

225 kts

Dgca Question Bank For Pilots

Results

#1. Which hydraulic system(s) supply pressure to the landing gear system?

#2. The braking modes are:

#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?

#4. What is indicated by the autobrake DECEL lights?

#5. On the E/WD, you notice the NW STRG DISC memo. What does it mean?

#6. During pushback, you start engine #2. You observe the NW STRG DISC memo has changed to amber. Why?

#7. Landing Gear position is indicated by:

#8. If the landing gear was gravity extended using the hand crank on the center pedestal, landing gear position must be verified through:

#9. Landing gear operation is inhibited at speeds:

#10. Can the gear be extended above 260 kts if necessary?

#11. How can the brake accumulator be re-pressurized?

#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?

#13. Which hydraulic system supplies pressure to the nose wheel steering?

#14. The anti deactivates when ground speed is less than ______.

#15. If the BSCU detects a brake system malfunction in flight with the A/SKID & N/W STRG switch in the ON position:

#16. What is required to arm the auto brakes?

#17. What does each turn of the gravity gear extension handle do?

#18. How many turns are required on the gravity extension hand crank to extend the landing gear?

#19. How do you manually extend the landing gear?

#20. If the Landing Gear was gravity extended using the hand crank on the center pedestal, what other systems will be inoperative?

#21. Auto brake may be armed with the parking brake on.

#22. Can normal landing gear operation be restored after a gravity extension if green hydraulic pressure is available?

#23. When the landing gear is gravity extended, will nose wheel steering be available?

#24. Auto brakes, if selected, will only be activated by:

#25. There are two triangles for each gear on the ECAM WHEEL page. What do they represent?

#26. What system pressure does the ACCU PRESS and BRAKES pressure indicator indicate?

#27. The normal brake system uses _____ hydraulic pressure and the alternate brake system uses _____ hydraulic pressure backed up by the hydraulic brake accumulator

#28. Wheel page of ECAM: if you see a green arc shown over a wheel indication:

#29. Nose wheels and main wheels have fusible plugs that prevent the tires from bursting if they overheat.

#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

#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?

#32. If the accumulator on the alternate brake system is your only source pressure, which of the following will be available?

#33. The gear doors remain open after a manual extension.

#34. The steering handwheels, which are interconnected, can steer the nose wheel up to _____ in either direction.

#35. The green DECEL light on the autobrake pushbutton illuminates when the actual airplane deceleration corresponds to what percentage of the selected rate?

#36. Each main wheel has an antiskid brake.

#37. The parking brake accumulator is designed to maintain the parking pressure for at least ______.

#38. The autobrake will arm if at least one ADIRS is functioning

#39. What happens to the other brake modes when parking brakes are applied?

#40. Maximum speed for landing gear retraction is:

#41. Nose wheel steering is available when:

#42. Nose wheel steering is controlled by:

#43. When is pressure in the nose wheel steering system shut off?

#44. Hand wheel and pedals are operated simultaneously:

#45. Nose wheel steering by rudder pedals is limited to:

#46. When both hand wheels are operated simultaneously, the signals:

#47. Nose wheel steering is available:

#48. After T/O the left main landing gear shock absorber is stuck in the compressed position.

#49. Is it possible (system wise) to lower the gear by gravity above 260 kts?

#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?

#51. During the approach you get master warning and ECAM “Gear Not Down”. The reason is:

#52. The alternate brake system uses:

#53. The antiskid system gets its reference speed from:

#54. The principle of the anti-skid is:

#55. Following failure of all 3 ADIRS, is antiskid available?

#56. Alternate braking using the Yellow system. Autobrake is:

#57. Autobraking is initiated by:

#58. The brake & Accumulator pressure gauge shows pressure from:

#59. Max braking has been selected. Takeoff being aborted, engines in reverse, you have forgotten to arm the ground spoilers. Is autobrake activated?

#60. The Hot light on the brake fan pushbutton illuminates when brake temperature reaches:

#61. On wheel page of ECAM, Autobrake is flashing green. What does it mean?

#62. On the ramp with APU running, park brake is set on, message on ECAM memo shows Park Brake.

#63. The landing gear indicator panel receives the information from micro switches and proximity detectors connected to:

#64. The red arrow, near the landing gear lever illuminates when:

#65. Landing gear indicator panel UNLK light illuminates red if

#66. The maximum speed with landing gear extended (VLE) is:

#67. Which ADIRS close the safety valve of the green hydraulic supply when speed is > 260 kts.

#68. What is the maximum tyre speed?

#27. The normal brake system uses _ hydraulic pressure and the alternate brake system uses _ hydraulic pressure backed up by the hydraulic brake accumulator