CAPÍTULO 4: ESTUDIO DE FACTIBILIDAD
4.3 ANÁLISIS DE COSTOS Y BENEFICIOS
492.How can the slide fairing door of one overwing emergency exit be disarmed?
(B1,B2)
A. By opening the exit from the outside
B. By setting the disarm device to "disarmed"
C. It always disarm on ground.
D. By an automatic "disarm" signal from engine, as long as engines are not running 493.What indicates the red flashing light on the cabin door? (A,B1,B2)
A. The escape slide will not deploy after automatic opening
B. The first bar has failed to engage into the floor fittings
C. The slide system is armed avoid the interior locking handle is partly lifted
D. Both engine shut down, door disarmed, the cabin pressure is greater than 2,5 mb 494.How is the passenger door closed and locked information be monitored?
(A,B1,B2)
A. By a single microswitch (lock position) on the "ECAM DOOR" page
B. By two proximity detection on the "ECAM DOOR" page
C. No indication at all
D. Landing gear control interface unit n° 1 (LGCIU 1) on the "ECAM DOOR" page 495.What indicates the green light in the cargo door access? (A,B1,B2)
A. The cargo door is closed and locked
B. The cargo door is not closed
C. The cargo door is unlocked
D. The cargo door is open and locked
496.What is the purpose of the damper nitrogen bottle and emergency operation cylinder? (B1,B2)
A. To damp the door opening and closing
B. To assist in opening and closing the door to do it
C. To damp the door opening/closing and to pressurize the cylinder in case of emergency opening
497.What happen when the passenger door is opened from the outside and the slide system is armed? (A,B1,B2)
A. The locking mechanism is blocked
B. The escape slide will deploy
C. The slide system is disarmed
D. There is no possibility to open the door from the outside
498.What happen when the emergency exit door of A320 aircraft is opened from the outside and the slide system is armed? (A,B1,B2)
A. The locking mechanism is blocked
B. The escape slide will deploy
C. The slide system is disarmed
D. There is no possibility to open the door from the outside
499.The PAX door is maintained parallel to the fuselage by: (A,B1,B2)
A. The guide arms.
B. The support arms
C. The upper and lower connection links.
500.How the operator is warned, when there is a residual pressure in the cabin?
(A,B1,B2)
A. By a white flushing light.
B. By a red flushing light.
C. By an ember flushing light.
501.Which device blocks the outer control handle during inner control handle operation of the PAX door? (B1)
A. The control handle gearbox
B. The safety pin
C. The lifting mechanism.
502.How can the PAX door be opened from outside when the arming lever is set in the ARM position? (B1)
A. The arming lever must be set to DISARMED.
B. The door cannot be opened from outside in such configuration.
C. An installation containing a cam disk and a roller disarms the system automatically.
503.What happens when the arming lever of the PAX door is set to the ARMED position? (B1,B2)
A. The girt bar stay attached to the cabin floor.
B. The girt bar slide towards the telescopic fork.
C. The telescopic fork slide towards the girt bar fitting
504.Which maintenance task must be performed after an emergency opening of PAX door? (B1)
A. The operating striker lever has to be replaced.
B. The diaphragm, in the mechanism housing and the shear pin must be replaced.
C. The nitrogen bottle has to be replaced
505.How is latch pin of the A320 aircraft emergency exit door released for maintenance operation? (B1)
A. By operating the outer control handle
B. By retracting the latch pin
C. By setting the disarming control handle to DISARMED
506.What does the green light fitted near the manual selector valve of the cargo door indicate? (A,B1,B2)
A. The yellow hydraulic pressure is available to operate the door.
B. The door is fully opened and locked.
C. The door is correctly unlatched and unlocked 507.When can the cargo door be opened? (A,B1,B2)
A. When the cam and the hooks are in the locked position.
B. When the cam is in the unlocked position and the hooks are in the locked position
C. When the cam and the hooks are in the unlocked position
508.To Which of the followings the cam of the cargo door fastened? (B1)
A. Locking shaft
B. Safety shaft
C. Spring unit.
509.The cargo doors hydraulic system is pressurized by the: (A,B1,B2)
A. Green electric pump
B. Blue electric pump
C. Yellow electric pump
510.What is purpose of the spring loaded blocking piston in the manual selector valve of cargo door hydraulic system? (B1)
A. To prevent door opening is pressure is < 3000 psi
B. To lock the selector in the OPEN/CLOSE position until the actuator is fully opened/retracted.
C. To ensure correct pressure in the extension chamber of the actuators before closing 511.When does the residual cabin pressure red light come on? (A,B1,B2)
A. When all the engines are not running, the parking brake is applied and the residual cabin pressure exceeds 2.5 mbars
B. When the engines are not running, the slide is disarmed and the residual cabin pressure exceeds 2.5 mbars
C. When the engines are not running, the parking brake is applied, the slide is disarmed and the residual cabin pressure exceeds 2.5 mbars
512.When is the electro selector valve of the cargo door system applied? (B1,B2)
A. When the locking shaft proximity switch target is NEAR and when the manual selector valve is operated.
B. When the locking shaft proximity switch target is FAR and when the manual selector valve is operated.
C. When the locking shaft proximity switch target is NEAR 513.The seal of pax door: (A,B1,B2)
A. Is installed around the door on the inner side and when the door is closed, the it is pushed against the frame of the fuselage
B. Is installed around the door on the outer side and when the door is closed, the it is pushed against the frame of the fuselage
C. Is deflated when the door is closed and the passenger cabin is pressurized.
514.The air stoppers are installed between the PAX door and the door frame (A,B1,B2)
A. Prevent the cold air from penetrating into the cabin
B. Prevent the water comes into the cabin
C. Protect the door structure during operation.
515.The proximity switches installed on PAX door transmit the position of: (B1,B2)
A. The escape-slide control lever on the escape-slide control mechanism and the hook on the upper frame of the door
B. The escape-slide control lever on the escape-slide control mechanism and the door handle on the shaft of the locking mechanism
C. The hook on the upper frame of the door and the door handle on the shaft of the locking mechanism
D. The escape-slide control lever on the escape-slide control mechanism and the hook on the upper frame of the door; the hook on the upper frame of the door; the door handle on the shaft of the locking mechanism
516.Each emergency exit door has a slide release mechanism with two operation modes: NORMAL mode and the MAINTENANCE mode (B1,B2)
A. During the NORMAL mode, the latch pin of the slide release mechanism is in the ARMED position (the latch pin is extended)
B. During the NORMAL mode, the latch pin of the slide release mechanism is in the ARMED position (the latch pin is retracted)
C. During the MAINTENANCE mode, the latch pin is in the DISARMED position (the latch pin is extended)
517.Emergency exit door of a320 aircraft: (A,B1,B2)
A. Can be opened from outside or/and inside and the door fall outside of aircraft.
B. Can be opened from outside or/and inside and the door fall into the cabin.
C. Can be opened from outside and the door fall outside of aircraft
D. Can be opened from inside and the door fall into the cabin,
518.The pressurization of the cargo door hydraulic system does not occur when:
(A,B1,B2)
A. The locking mechanism is in the locked condition.
B. The door not in fully close or/and open position.
C. The door not in fully open position.
D. The door is operated with hand pump
519.BULK Cargo-Compartment Door is opened: (A,B1,B2)
A. Outward and upward.
B. Outward and downward.
C. Inward and upward.
D. Inward and downward.
520.The FWD and AFT cargo doors: (A,B1,B2)
A. Possible to open/close at the same time
B. Possible to open at the same time when using the electric pump only
C. Possible to open one by one only
D. Possible to close at the same time only
521.The external power receptacle (A,B1,B2)
A. Is installed in the lower and is a quick-opening type door and opens outwards towards the front of the aircraft
B. Is installed in the lower and is a quick-opening type door and opens outwards downwards the front of the aircraft
C. Is installed in the lower and is a quick-opening type door and opens outwards upwards the front of the aircraft
522.Proximity switches send signal to the ECAM system for indication and warning (B1,B2)
A. Data concerning passenger/crew doors, emergency exits and the avionics compartment doors are processed by the SDAC 1 and SDAC 2
B. Data concerning passenger/cargo compartment doors are processed by the LGCIU 1 and sent to the FWC 1 and FWC 2
C. Data concerning passenger/crew doors, cargo compartment doors, emergency exits and the avionics compartment doors are processed by the SDAC 1 and SDAC 2
D. Data concerning passenger/crew doors, cargo compartment doors, emergency exits and the avionics compartment doors are processed by the LGCIU 1 and sent to the FWC 1 and FWC 2
523.The escape slide will be automatically deployed if. (A,B1,B2)
A. Girt bar attached with escape slide pack and the door is opened.
B. Girt bar is still engaged into floor bracket and the door is opened.
C. Girt bar is still engaged into floor bracket and the door is opened by outside handle 524.The function of the safety pin on the pax door is: (A,B1,B2)
A. To hold the door when it is closed during whole flight.
B. To hold the door in the closed position until it is locked.
C. To hold the door in the closed position until it is unlocked.
525.Landing gear doors can be opened. (A,B1,B2)
A. Hydraulically on ground only with landing gear selector set to down.
B. Hydraulically or manually if aircraft is on jack.
C. Manually on ground only with landing gear selector set to down 526.Avionics compartment can be accessed through: (A,B1,B2)
A. Avionics lower side of the fuselage.
B. Avionics door on the fwd cargo compartment.
C. Access door in the cockpit.
527.Emergency exit door of a320 aircraft is equipped. (A,B1,B2)
A. Slide, which is automatically disarmed when the door is opened from inside.
B. Slide, which is automatically disarmed when the door is opened from outside.
C. Slide, which can only be disarmed by release the latch pin from inside.
A320 TO A321 DIFFERENCES
528.What happen during the RAT retraction? (B1)
A. The red light comes on during RAT retraction and goes off when the RAT is retracted and locked.
B. The green light comes on when the RAT is retracted and locked.
C. The red light goes off when the ARM switch set to OFF.
529.What happen if the stow switch is release before the RAT is fully retracted? (B1)
A. The RAT continuously retracts.
B. The RAT will return to the fully extended position.
C. The RAT locked in the existing position.
530.The potable water is located at: (A,B1,B2)
A. L/H behind the rear cargo compartment.
B. R/H behind the forward cargo compartment.
C. R/H behind the rear cargo compartment.
531.If the cabin emergency door is opened from outer side with the escape slide in ARMED mode. (A,B1,B2)
A. The ARMED mode of the escape slide changes to DISARMED mode as well as passenger door.
B. The escape slide will deploy.
C. The door can not be opened.
532.For the emergency exits door, which device makes sure that the locking shaft mechanism is always in the over centered position? (B1)
A. The spring unit.
B. The control mechanism.
C. The locking hook.
533. Where the escape slide pack of cabin emergency door located? (A,B1,B2)
A. Holds on the door.
B. Holds in a container underneath the door.
C. Holds on the overhead stowage compartment.
534.Where the inflation reservoir of the emergency exits door located? (A,B1,B2)
A. At the bottom of the door.
B. In the overhead stowage compartment.
C. In the AFT cargo compartment.
535.What is purpose of the ECON FLOW pushbutton? (B1,B2)
A. To allows the cockpit to select 80%, 100% or 120% of the nominal airflow.
B. To permits economic or normal pack flow according to the number of the passenger and ambient condition.
C. When ON is selected the normal flow provides 20% more than economic flow.
536.The HOT AIR pushbutton switch of the cargo ventilation panel controls: (B1,B2)
A. Blower fan.
B. Aft cargo door.
C. Pressure Regulating Valve.
537.Are main pumps running while the center tank is transferring? (B1,B2)
A. Yes, main pumps are always running.
B. No, only when the center tank is empty.
C. No, because of center tank pump priority 538.Engine LP valve closes when: (B1,B2)
A. The fuel booster pump pressure decrease.
B. The engine is shut down or the ENG FIRE pushbutton is released out.
C. The engine fire detection system detects an engine fire.
539.The APU can normally be supplied with fuel by: (A,B1,B2)
A. Only the APU pump.
B. Only the LH main pumps.
C. LH main pumps or APU fuel pump.
540.What happen if a high level is detected? (A,B1,B2)
A. A warning is triggered: too much fuel.
B. The corresponding REFUEL valve closes.
C. All refueling operations are stopped.
541.In which tanks are temperature sensors fitted? (B1,B2)
A. Center tank.
B. Wing tanks and center tank.
C. Wing tank
542.What is purpose of the IDG SHUT-OFF sensor? (B1,B2)
A. To stop the cooling fuel recirculation.
B. To stop the center tank transfer valves.
C. To restart cooling fuel recirculation.
543.What happen if one channel of the FQIC fails? (B1,B2)
A. Half of the quantity indicating data is no longer available.
B. FQIS operates normally, only CFDS report will indicate failure.
C. Fuel warning is triggered in addition of CFDS report.
544.What happen if a quantity probe fails? (B1,B2)
A. Corresponding tank quantity display flashes.
B. Quantity indication disappears.
C. Quantity indication remains the same.
545.What does the MODE SEL pushbutton control? (B1,B2)
A. Center tank transfer valves and wing tank pump only.
B. Center tank transfer valves only.
C. Wing tank pump only.
546.When the center tank is empty, in AUTO MODE, the center tank transfer valves:
(B1,B2)
A. Must be manually switched OFF after 5mn.
B. Stop automatically and wing tank pumps start running.
C. Closed automatically after a time delay of 5mn.
547.Which tanks are the main supply tanks? (A,B1,B2)
A. Wing tanks.
B. Center (transfer) tank.
C. Outer cells.
548.Where are the Wing Tip Brake located? (B1,B2)
A. At the wing tips.
B. Between the tracks 3 and 4 in each wing.
C. Attached to track 4 offset gearbox.
549.Where are the torque limiters located? (B1)
A. On the actuator offset gear box.
B. On the actuator drive lever.
C. On the steady bearing.
550.How many valves are used during the draining operation of water system?
(A,B1,B2)
A. One.
B. Two.
C. Three.
551.The automatic drain valve of the hydraulic reservoir pressurization unit. (B1,B2)
A. Opened when at least one engine or APU running.
B. Opened after each engine or APU shutdown.
C. Closed after both engines and APU shutdown.
552.How many fuel Manual Magnetic Indicators are there (MMI)? (B1,B2)
A. Five in each wing tank and one in the center tank.
B. Six in each wing tank and two in the center tank.
C. Seven in each wing tank and one in the center tank.
553.How are the cargo smoke detectors connected to the SDCU? (B2)
A. In parallel.
B. In series.
C. In a loop.
554.How many smoke detectors are installed in the AFT cargo compartment? (B1,B2)
A. Two.
B. Four.
C. Six.
555.When the cargo fire test pushbutton is pressed and held, which conditions are simulated? (B1,B2)
A. A smoke only.
B. A bottle pressure drop only.
C. Both.
556.Where is the cargo fire extinguisher bottle located? (B1,B2)
A. In the FWD cargo compartment.
B. In the AFT cargo compartment.
C. In the AFT section of the aircraft.
557.How many cargo fire extinguishers bottle are installed on the aircraft? (B1,B2)
A. One.
B. Two.
C. Three.
558.What happens if smoke is detected in a cargo compartment? (B1,B2)
A. SMOKE light comes on + Continuous Repetitive Chime + MASTER WARNING + ECAM message.
B. The CIDS duplicates the cargo smoke warning to the cabin.
C. Lights come on.
559.What happens if the SDCU is faulty? (B1,B2)
A. The lavatory smoke detection is inoperative.
B. The cargo smoke detection is inoperative.
C. Both A and B with Single Chime + MASTER CAUTION + ECAM message.
560.What happen on A321 aircraft If a fuel tank overflows during a refuel or a fuel transfer and fuel has entered the vent surge tanks (B1,B2)
A. A jet pump moves the fuel into the related wing tank outer cell.
B. A jet pump moves the fuel into the related wing tank inner cell.
C. The clack valves let the fuel return to the related wing tank.
D. A booster pump will collect the fuel back to inner cell when underfull is detected in the inner cell.
561.When in all A321 aircraft tanks are full of fuel, what happen if:
Tank pumps are running;
XFR valve mode selector in Manual;
XFR valve pushbuttons are pressed in. (B1,B2)
A. XFR valve closed to stop the fuel transfer to wing tanks.
B. XFR valve open and the fuel transfer to wing tanks.
C. XFR valve open but the fuel does not transfer to wing tanks.
D. Tank pump does not provide fuel flow to XFR valve.
562.Which cabin emergency exits door can be used as passenger door? (A,B1,B2)
A. All emergency exits doors
B. Two FWD emergency exits doors
C. Two AFT emergency exits doors
D. FWD L/H emergency exits doors
563.What happen when the emergency exit door of A321 aircraft is opened from the outside and slide system is armed? (A,B1,B2)
A. The locking mechanism is blocked
B. The escape slide will deploy
C. The slide system is disarmed
D. There is no possibility to open the door from the outside
564.Is it possible to fill the A321 aircraft water tank without electrical supplied?
(A,B1,B2)
A. Yes, fill/overflow drain valve can operate manually
B. Yes, but when finished you must manually return the control handle to the NORMAL position to close the fill/overflow drain valve
C. No, because level transmitter can not send signal to close the fill/overflow drain valve
D. No, because the fill/overflow drain valve operate electrically 565.The cargo hot air pushbutton switch control the: (B1,B2)
A. Blower fan.
B. Aft cargo door.
C. Pressure Regulating Valve.
566.How are the cargo smoke detectors connected to the SDCU? (B1,B2)
A. In parallel
B. In series
C. In a loop.
567.How many smoke detectors are installed in the FWd cargo compartment? (B2)
A. Two
B. Four
C. Six
D. Eight
568.How many smoke detectors are installed in the AFt cargo compartment? (B2)
A. Two
B. Four
C. Six
D. Eight
569.When the cargo fire test pushbutton is pressed and held, which conditions are simulated? (B1,B2)
A. Smoke only
B. Bottle pressure drop only
C. Both
570.If smoke is detected in a cargo compartment what happen? (B1,B2)
A. SMOKE lights comes ON + continuous repetitive chime + MASTER WARNING + ECAM message.
B. The CIDS duplicates the cargo smoke warning to the cabin.
C. Lights come on.
571.What happen if the SDCU is faulty? (B1,B2)
A. The lavatory smoke detection inoperative
B. The cargo smoke detection inoperative
C. Both A and B with single chime + MASTER caution + ECAM message.
572.On A321 aircraft with tanks are the main supply tanks? (B1,B2)
A. Wing tanks
B. Center (transfer) tank
C. Outer cells
D. Inner cells
573.The APU of A321 aircraft can normally be supplied with the fuel by: (A,B1,B2)
A. Only the APU pump
B. Only the LH main pumps
C. LH main pumps or APU fuel pump
C. LH main pumps or APU fuel pump