Question Bank - Airbus A320

Landing gear

XVI of XVIII

Q 01: Which hydraulic system(s) supply pressure to the landing gear system?

A: Green

B: Blue

C: Yellow and Blue

D: Green and Blue.

Q 02: 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

Q 03: 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.

Q 04: 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.

Q 05: 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.

Q 06: 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.

Q 07: 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.

Q 08: 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.

Q 09: 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.

Q 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

Q 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.

Q 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.

Q 13: Which hydraulic system supplies pressure to the nose wheel steering?

A: Green

B: Blue

C: Green and Blue.

D: Yellow.

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

A: 10 kts.

B: 20 kts.

C: 25 kts.

D: 30 kts.

Q 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.

Q 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.

Q 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.

Q 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

Q 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.

Q 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.

Q 21: Auto brake may be armed with the parking brake on.

A: True.

B: False.

Q 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.

Q 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.

Q 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.

Q 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.

Q 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.

Q 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.

Q 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.

Q 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)

Q 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.

Q 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.

Q 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

Q 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.

Q 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°

Q 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%

Q 36: Each main wheel has an antiskid brake.

A: True.

B: False.

Q 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.

Q 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.)

Q 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.

Q 40: Maximum speed for landing gear retraction is:

A: 200 kts

B: 220 kts

C: 235 kts

D: 250 kts

Q 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

Q 42: Nose wheel steering is controlled by:

A: LGCIU 1.

B: BSCU

C: LGCIU 2

D: LGCIU 1 or 2

Q 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

Q 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.

Q 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

Q 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

Q 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.

Q 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

Q 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

Q 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.

Q 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.

Q 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.

Q 53: The antiskid system gets its reference speed from:

A: The ADIRS

B: A wheel tachometer

C: The LGCIU’s

D: The BSCU’s

Q 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.

Q 55: Following failure of all 3 ADIRS, is antiskid available?

A: Yes

B: No

C: Only with Yellow hydraulics

D: Only with Green hydraulics

Q 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.

Q 57: Autobraking is initiated by:

A: Reverse thrust selection

B: Nose gear oleo compression

C: Main gear oleo compression

D: Ground spoilers extension

Q 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

Q 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.

Q 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

Q 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

Q 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

Q 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

Q 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

Q 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.

Q 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

Q 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

Q 68: What is the maximum tyre speed?

A: 185 kts

B: 195 kts

C: 205 kts

D: 225 kts