Repaso Semana 4

(ATA 22) Engaging the A/P when bank angle is 5 degrees or less with the F/D off will activate: TRK hold will turn to amber colour. HDG hold only. HDG hold or TRK hold.

(ATA 22) If a control wheel actuator fails during autoland, the force limit of the remaining actuator is: Not affected. Two times as high. Half the force limit of a single actuator.

(ATA 22) What is the bank angle limit below 200 Ft?. 8 degrees. 15 degrees. 30 degrees.

(ATA 22) If a fluorescent light in the Mode Control Panel is degraded: The MCP microprocessor fails. An EICAS condition message is displayed. A maintenance memo is generated.

(ATA 22) Each AFDC computer consists of: 3 microprocessors and only 2 of them are used for backdrive commands. 2 microprocessors, one for each set of backdrive actuators. 3 microprocessors and all the three command the backdrive actuators.

(ATA 22) What signals do the A/T arm switches on the MCP supply?. Autothrottle arm to the CPM Comm. Crab angle protection during Autoland. Trim Enable logic to the EEC.

(ATA 22) The AFDCs have an inhibit that prevents the engagement of the autopilot during: The approach and landing. The cruise phase of the flight. The takeoff roll and immediately after it.

(ATA 22) At what radio altitude do the rudder pedal backdrive actuators engage during approach?. 1500 feet. 400 feet. 1000 feet.

(ATA 22) How many microprocessors does the MCP have?. 2. 3. 1.

(ATA 22) The thrust limit mode and thrust limit are displayed on the: EICAS. ND. PFD.

(ATA 22) With the FMC selector switch in the 'L' position, the active TMCF is: Left but won't change to the Right TMCF if the Left fails. Randomly selected to Left or Right on power-up. Left but will change to the Right TMCF if the Left fails.

(ATA 22) The airplane is in cruise and has no faults. How many backdrive actuators engage when the pilot engages the autopilot?. 2. 6. 3.

(ATA 22) How many backdrive actuators must be engaged for LAND 3 annunciation on the PFD?. 6. 4. 3.

(ATA 22) Indication on the PFD when LNAV becomes active?. LNAV is no longer shown. LNAV changes to a green colour. The mode changes to CRZ.

(ATA 22) Number of APs active in cruise (all systems healthy)?. 2. 3. 1.

(ATA 22) When does the AFDC command the autothrottle to IDLE during autoland?. At touchdown. Flare retard at approximately 25 ft radio altitude. At 50 ft radio altitude.

(ATA 22) Who performs ILS antenna switching?. The AFDC automatically. The left VOR/MB receiver. Special functions on the MAT.

(ATA 22) Minimum speed to engage the autopilot?. <180 knots. >120 knots. >80 Knots.

(ATA 22) If both ADIRUs fail, navigation data for the autopilot comes from?. The FMC directly. SAARU (backup for 3 minutes). The remaining ADIRU.

(ATA 22) One AFDC has failed. In which position should the remaining AFDC be installed?. Left position or Right position. Center position (does not control backdrive actuators). Right position.

(ATA 49) Which access is required for the APU controller (APUC) replacement?. Cabin ceiling hinged access panel above aft galley. Electronic compartment access door open up. Aft cargo door or bulk cargo door open up.

(ATA 49) What statement is true for APU unattended mode?. Only Loop 1 is monitored. Loop 1 OR loop 2 must detect fire (OR logic). Both loops (AND logic) must detect fire.

(ATA 49) For the APU lubrication system, what increases starting reliability after cold soak?. Higher viscosity oil selected. APU oil heater system. Continuous oil circulation.

(ATA 49) Where is the APU controller (APUC) located?. Inside the APU compartment. E7 rack above the aft galley. E2 rack in the MEC.

(ATA 49) During a pneumatic APU start, when does the ATSCV close?. At 95 % APU RPM. At 55 % APU engine RPM. At 30 % APU RPM.

(ATA 49) When can you attempt an APU restart after a protective shutdown?. Only after 30 min cool-down. After moving the APU selector to OFF to unlatch the protective shutdown. Immediately.

(ATA 49) When will the APU Fuel Shutoff Solenoid Valve close?. When APU speed is above 7 % during start. When the APU door is open. When APU Start is selected.

(ATA 49) For APU starting the controller will always: Use either depending on crank contactor. Use the electric starter if battery is good. Use the air turbine starter if air pressure is available.

(ATA 49) Which IGV pneumatic mode takes priority?. Air Driven Pump. Main Engine Start. Idle.

(ATA 49) The surge control valve protects the APU depending upon: Inlet pressure, inlet temperature and total pressure across the load compressor. Inlet pressure and bleed demand only. APU speed and IGV outlet pressure only.

(ATA 49) Why is an APU shut-down from the P40 panel non-normal?. The RAT can extend. The fire bottle discharges automatically. There is no cool-down period.

(ATA 49) When will the APU do an auto start?. In flight and power lost from both XFR busses. In flight with engine flame-out. APU speed < 7 % and start switch ON.

(ATA 49) What is checked on every APU shut-down?. Engine speed sensor failure. APU overspeed. APU underspeed.

(ATA 49) Where can APU oil pressure be monitored?. Both MFD status and APU maintenance pages. MFD APU maintenance page only. MFD status page only.

ATA 36) Where is the HPFAC on GE 90 Engine?. Outside the fan hub frame area of the engine at the 9:00 position. On the lower right side of the engine fan case at the 5:00 position. Inside the fan hub frame area at the 10:00 position.

(ATA 36) Where and how many IP check valve(s) on each GE 90 engine?. 1 IPCV next to the eighth stage intermediate pressure bleed air source. 1 IPCV next to the fourth stage bleed air source at the 3:00 position in the engine ducting. 2 IPCVs next to eighth stage bleed air ports.

(ATA 36) When does “BLEED ISLN OPEN” advisory message come on?. Related valve fails in open position. Air supply cabin pressure controller (ASCPC) fails. Related valve fails in closed position.

(ATA 36) PW 4000. What information does the EEC provide to the ASCPC?. PS3 (10th Stg), N2 and P4. PS3 (15th Stg), N1 and P0. PS30 (6th Stg), N3 and P0.

(ATA 36) If the ASCPC Primary mode fails, which modes will operate?. Backup mode only. Pneumatic mode only. Pneumatic and backup modes at the same time.

(ATA 36) RR RB211 Trent 800. What stages of compression are used for Pneumatics?. IP8 & HP6. IP3 & HP7. IP7 & HP3.

(ATA 36) What supplies control pressure to the PRSOV?. PRSOVC. HPFAC. Manifold flow sensor.

(ATA 36) Where is the intermediate-pressure sensor on the PW 4000?. Intermediate case at 6:00. Fan case at the 9:00 position. Fan case at the 3:00 position.

(ATA 36) Where and how many IP check valves on each RR Trent 800?. One IPCV on the right side at 3:00. One IPCV on the left side, next to 8th-stage IP bleed at 7:00. Two IPCVs per engine.

(ATA 36) Where is the intermediate pressure sensor on the RR Trent 800?. Inside the intermediate case. One sensor on each engine fan hub at the 9:30 position. Fan case at 3:00.

(ATA 36) Which 2 valves are interchangeable on the bleed system?. PRSOV and DVV. HPSOV and PRSOV. FAMV and HPSOV.

(ATA 36) What primarily controls Bleed overpressure?. The 4th stage check valve. The Duct Vent Valve (DVV). The PRSOV.

(ATA 36) 13. How is the FAMV controlled?. By the PRSOVC. By the HPFAC. By the FAMVC.

(ATA 36) How is Isolation-valve position signalled to the ASCPC?. RVDT. Proximity switch. Microswitch.

(ATA 36) 15. The isolation valves & APU shut-off valves are: Can be locked open only. DC operated only. Interchangeable.

(ATA 36) When is the Centre isolation valve automatically opened?. During single pack operation. When cross-bleed for engine start is initiated. When the ADP is operating.

(ATA 21) Which component controls the operation of recirculation fans in normal condition? (CTC = Cabin Temperature Controller; ECSMC = Environmental Control System Miscellaneous card). ECSMC. Right CTC. Left CTC.

(ATA 21) Which statement best describes the purpose of Economy Cooling Valve (ECV)?. ECV opens to let air go around the ACM turbine 1 and the water separation parts of the pack. ECV opens to prevent ACM stall at altitudes higher than 26000 ft. ECV meters the air flow thru airconditioning pack when FCSOV fully opened.

(ATA 21) Which cabin parameter is accurately controlled by the ASCPC in backup mode?. Temperature only. Pressurization only. Pressurization and temperature.

(ATA 21) The aft equipment cooling system provides cooling air for components in the E11 rack and: Satcom system. APU battery and charger. Aft galley.

(ATA 21) What statement about equipment cooling override valve is correct?. In the normal position, the cooling valve is opened and the smoke removal valve is closed. In the override position, the cooling valve is opened and the smoke removal valve is closed. . In the override position, the cooling valve and the smoke removal valve are closed.

(ATA 21) When does advisory message EQUIP COOLING appear?. There is low flow in the equipment cooling system on the ground for 5 minutes. Smoke is detected in the equipment cooling system on the ground. There is low flow in the equipment cooling system in the air for 5 minutes.

ATA 21) What does “Standby cooling mode” mean?. Economy cooling valve can be used to bypass the ACM if the ACM fails. Turbine bypass valve can be fully opened to bypass turbine second stage of ACM. CTCs can control Ram air actuator door to full opened position in case ACM failure.

(ATA 21) The ram air inlet doors are normally open with the airplane on the ground. What do you have to use for closing them if necessary?. Maintenance Access Terminal special function. Cabin Temperature Controller BITE test. Air Supply Cabin Pressure Controller ground test.

(ATA 21) What statement about outflow valves is correct?. Each outflow valve is operated by two AC and one DC motors. You can remove the forward outflow valve only from inside the airplane. Forward and aft outflow valves are not interchangeable.

(ATA 21) What does the forward equipment cooling system use to remove smoke from the flight deck?. Differential pressure. Extractor fans. Supply fans.

(ATA 21) The positive pressure relief valve opens when cabin air pressure: Is higher than ambient pressure by a set value. Is lower than ambient pressure by a set value. Is differential to the remote ambient pressure sense port by 8.95 psi.

(ATA 21) What does the turbine bypass valve control?. The amount of condenser air that goes around the second stage turbine of the ACM. The amount of reheater air that goes around the first stage turbine of the ACM. The amount of hot air that goes around turbine of the ACM.

(ATA 21) The negative pressure relief vent is a spring-loaded door. The door starts to open at a differential pressure of: 0.2 psi. 8.95 psi. 1.5 psi.

(ATA 21) What is the total air outflow distribution through forward and aft outflow valves if both are in Auto mode?. 80 % – forward and 20 % – aft. 50 % – forward and 50 % – aft. 20 % – forward valve and 80 % – aft valve.

(ATA 21) What happens to the recirculation system when the airconditioning system is in single pack operation?. The CTC turns off the lower fan on the opposite side to the unserviceable pack. The CTC turns off upper and lower fan on the same side as the unserviceable pack. The CTC turns off the lower fan on the same side as the unserviceable pack.

(ATA 21) SATCOM backup fan is used to pull the air thru electronic components in E11. When is this fan on?. When the airplane is in the air (WOW=false). When the airplane is on the ground (WOW). When both lavatory/galley ventilation fans don’t work.

(ATA 21) Trim Air PRSOV is electrically controlled and: Pneumatically operated, and fail safe designed to close position by stepper motor. Pneumatically operated, and fail safe designed to close position by torque motor. Electrically operated, and fail safe designed to close position by spring.

(ATA 21) What will happen if Ram air inlet door RVDT fails?. The Ram air inlet door stays in the last position just before failure. The CTC moves the related actuator to the full open position. The Ram air inlet door RVDT failure doesn’t affect door control.

(ATA 21) What type of cooling system does the air chiller use?. Vapour cycle cooling unit. Air cycle machine. Cooling fan.

(ATA 21) Which computer normally controls pack airflow?. ELMS. CTCs. ASCPCs.

(ATA 21) How many flow schedules are there?. 2. 3. 4.

(ATA 21) Which schedule gives the highest flow?. Schedule 4. Schedule 2. Schedule 1.

(ATA 21) What signal will turn on the PACK OFF switch light?. Proximity switches on both FCSOV’s valves. Proximity switch on the LOWER FCSOV only. Proximity switch on the UPPER FCSOV only.

(ATA 21) Effect of a Recirculation Fan failure in flight?. ECSMC brings both Supply Fans on line. ASCPC changes bleed and pressurization schedules. Both packs automatically increase flow rates to compensate.

(ATA 21) At low altitudes (< 24 000 ft) which FCSOV is normally used?. BOTH. LOWER. UPPER.

(ATA 21) What computers operate the pack valves?. CTCs. ELCCs. ASCPCs.

(ATA 21) 27. What type of valve is the FCSOV?. Electrical Pneumatic valve. Mechanical electrical valve. Electrical Motor Valve.

(ATA 21) At what altitude does the FCSOV change over?. Approximately 25 000 ft. Approximately 10 000 ft. On takeoff by WOW sensing.

(ATA 21) What happens to the FCSOV if outlet temperature > 110 °C?. The valve drives fully open. FCSOV goes to low flow. The valve shuts.

(ATA 21) What type of bearings does the ACM have?. Air bearings. Roller bearings. Oil bearings.

(ATA 21) Where is moisture from the water separator sent?. Exit of the ACM turbine. Inlet of the ACM turbine bearing. Spray nozzle on the ram-inlet air.

(ATA 21) Which two pack valves are interchangeable?. Low-limit and Turbine-bypass valves. Trim air valve and FCSOV. Econ cooling and low-limit valve.

(ATA 21) Where can pack flow rate be observed?. The Maintenance pages. The Synoptic page. EICAS pages in manual mode.

(ATA 21) Where are trim-air modulating valves signalled from?. ECS control cards. CTCs. ASCPCs.

(ATA 21) Muscle source for the trim-air valves?. Pneumatics as back-up only. Pneumatics. Electrics.

(ATA 21) Which system inhibits the ventilation fans?. Galley power shedding. Pack trip messages. Cargo-fire system arming.

(ATA 21) LLAR crew-rest supply air comes from?. The left pack system of the mix manifold. Exhaust air from the aft cargo sidewalls. Mix manifold only.

(ATA 21) Where does the satcom antenna receive cooling from?. A dedicated satcom fan exhausted to the galley vent system. A dedicated supply line from the mix manifold. A venturi effect from the chiller vent valves.

(ATA 21) ECC takeover logic condition?. When pressure sensors detect low pressure. When the Cargo Heat Valve fails. Both flow detectors have no flow for 6.5 minutes & Override Valve is closed.

(ATA 21) If FWD cargo heat becomes too high?. Heat valve closes and vent valve opens. Vent valve closes and override valve modulates. . Both valves close.

(ATA 21) When does the override valve open?. If a control card fails only. Smoke detection, vent-fan failure or override selected on the P5. Only when selected on the P5.

(ATA 21) Additional heat for forward cargo on -300 series?. Galley booster fans run in flight. Pneumatic bleed air. 5000 W electrical heater.

(ATA 21) Where is IFE exhaust cooling routed?. The Fwd Outflow valve. The Fwd mix-bay area. The overboard vent valve.

(ATA 21) Compatible modes for the two outflow valves?. Both valves must be in the same mode. When AFT is MAN the forward goes to STANDBY. Either valve can be AUTO or MAN independently of the other.

(ATA 21) Manual outflow-valve control is signalled from?. ASCPCs. The remote pressure sensor. The P5 open and close switches.