ATA 28-47-26

4. The RACV (ram air control valve) keeps an ASM inlet temperature, If the RACV (ram air control valve) cannot control the temperature, when The ASM inlet temp sensor measures increase the temperature, the system make: The MDC (Motor Drive Compressor) power will be increase when the temperature gets to 205F. (96°C). The FCV (Flow Control Valve) full open to decrease the temperature output to compressor second stage. When the temperature gets to 205F (96°C). The GCV (Ground Cooling Valve) open to increase the air into the RACV (Ram Air Control Valve) When the temperature gets to 205F (96°C. The MDC (Motor Drive Compressor) power will be decreased when the temperature gets to 205F. (96°C).

5.The pressure light indication show on the P5 Fuel control panel,The amber PRESS light on the switch/light assembly comes on, when: (5 Points) *. The pressure switch senses low pressure, at 5.5 psig, they reset by 7.5 psig on rising pressure. The pressure switch senses low pressure, at 5.5 psig, they reset by 9.5 psig on rising pres‐ sure. The APU dc, fuel pump does not have a press light inidication. The pressure switch senses low pressure, at 5.5 psig, they reset by 9.5 psig on rising pres‐ sure. The APU dc, fuel pump press light indication come on, when Batt sw is On.

6.The DC Fuel pump, operates automatically when: The APU is started without AC power available. Both engines flameout in flight with no AC power available. Both are tru.

7. Status: Aircraft: Airborne Phase of flight: CRZ PECS (Power Electronic Cooling System): Loadsheed The NGS system is commanded to: ON, and remain in this condition, don’t affect the NGS system. OFF, during this non-normal condition, The PECS system has Electrical priority. OFF, during this non normal condition, The PECS liquid cooling system need all air system Refrigeration.

8.During Flight, present fail of some systems and for higher priority the Cabin Air Compressor is necessary, The CMSC: Shut down The NGS Pack. Continues operation of NGS pack for NEA at minimum flow. The power of MDC is decreased for maintain the pressure in fuel tanks.

9.Match with its correct answer, Fuel Jettison: Adds fuel, transfers fuel between tanks. Release fuel to decrease weight. Moves unusable fuel from center tanks.

10 Status: Aircraft: T/O Phase of flight: T / O T L A: > 50 % to Take Off position The NGS System is commanded to : Comes ON, The CMSC that powers MDC,remain to provide power for both center system hydraulic EMP, and Ground Cooling Valve remain in Open Position for lets cooling air go to heat exchanger. Shuts down, The CMSC that powers MDC must now provide power for second center sys‐ tem hydraulic EMP and Ground Cooling Valve Close, creates EICAS status message. Comes ON, The CMSC that powers MDC,remain to provide power for both Left & Right systems hydraulics EDP. The Ground Cooling Valve remain in Open Position for lets cool‐ ing air go to heat exchanger and the MCSOV remain in Open position for cooling stator MDC. Shut down, The CMSC that powers MDC must now provide power for second center sys‐ tem hydraulic EMP and Ground Cooling Valve Close.

Match with its correct answer, fuel balance: Adds fuel, transfers fuel between tanks. Release fuel to decrease weight. Gives data to common core system (CCS).

12 An NGS protective shut down occur for: MDC first stage compressor discharges overheat and detect temperature of 224ºC. Overheat Detect Temperature sensor detect temperature more than 113ºC for 60 sec. Air Separation module (ASM) inlet temperature Overheat detect 104 ºC for 10 min.

13. Match with its correct answer, Override Jettison Motor Controller. Gives data to common core system (CCS). Controls fuel pump and valve operation. Supplies power to override jettison pumps.

14 The water scavenge jet pumps automatically remove water from the main tanks. If water is removed, where does it go?. To unusable fuel drain line. The jet pumps connect to the AFT fuel boost pumps only. The jet pumps connect to the FWD fuel boost pumps only.

15. The Ram Air Control Valve, open or close for change the quantity of cooling air into the heat exchanger, it uses temperature data of: Compressor Outlet Temperature Sensor. ASM inlet temperature sensor. ASM outlet temperature sensor.

16.The APU DC fuel pump does not have a pressure light indication in the overhead p-5 panel, this announcement is: false. true.

17. Match with its correct answer, The Tank Venting: Distributes fuel evenly in main tanks. Release fuel to decrease weight. Prevents high pressure differences with outside air.

18. An NGS related message shows in status Message if: NGS is OFF. NGS is ON. NGS OFF and ON.

19 status Aircraft: Airborne Phase of flight: CRZ The Fwd Cargo compartment present fire. The NGS System is commanded to: (5 Points) *. ON, and remain 10 minutes in this condition after fire alarm is presented while cabin shut‐ off Valve close and MDC stop. OFF, during this non-normal condition. The cabin shutoff valve close and MDC stop. OFF, and remain 10 minutes in this condition, while cabin shutoff valve close and MDC stop, NGS restart during approach. OFF, during this non-normal condition. The cabin shutoff valve remain in the last position, and MDC stop.

20.The compressor outlet temperature sensor gives the motor driven compressor (MDC) for NGS pack control & protection and is limited to: A maximum temperature of 170F (77C). A maximum temperature of 325F (162C). A maximum temperature of 435F (224C).

21 match with its correct answer, The pressure refuelling: Moves unusable fuel from center tanks. Adds fuel, transfers fuel between tanks. Distributes fuel uniformly in main tanks.

22. When the air bearing present failure in MDC (Motor Drive Compressor) detect Over temperature and create open circuit by: NGS function in CCS detect duct leak. Thermal switches open at 325° F (163°C). Integral wire harness attached to the MDC fail. Thermal switches open at 325° F (163°C).

23. Match with its correct answer, Fuel Scavenges: Moves unusable fuel from center tanks. Distributes fuel uniformly in main tanks. Prevents high pressure differences with outside air.

24 For MEL dispatch, is a special function, you can Turn NGS to: OFF and lockout purpose before flight. If degraded NGS not locked out, it will automati‐ cally turn on in cruise phase of flight. ON and lockout purpose before flight. If degraded NGS not locked out, it will automati‐ cally turn off in climb phase of flight. OFF and lockout purpose before flight. If degraded NGS not locked out, it will automati‐ cally turn on in climb phase of flight. ON and lockout purpose before flight. If degraded NGS not locked out, it will automati‐ cally turn off in cruise phase of flight.

25The MDC gets 270 dc ac from 2 common motor start controllers (CMSC): L2 cabin air compressor (CAC) motor controller (MC) & L2 hydraulic electric motor pump (EMP) MC. R1 cabin air compressor (CAC) motor controller (MC) & R1 hydraulic electric motor pump (EMP) MC. R2 cabin air compressor (CAC) motor controller (MC) & R2 hydraulic electric motor pump (EMP) MC.

26 External power is selected on. if no fuel pumps are selected on the P5 fuel panel. which fuel pump comes on to send fuel to the APU?. APU DC pump. LH AFT boost pump. RH FWD boost pump.

27. When the temperature in NGS pack Bay is more than 240 F (115 C). this cause: The Overheat Fault is latched and NGS stay off until the fault is cleared by Maintenance test, if the temperature is more than 210 F (115 C) for 10 min. An overheat detected by both loops of the overheat detection sensor, if the temperature is more than 240 f (115 C) for 60 sc. The ODS controller to send an over temperature signal to the NGS function and shut down the NGS pack, if the temperature is more than 240 F (115 C) for 5 sc.

28 Match with its correct answer, Fuel Quantity Management System (FQMS) function: Controls fuel pumps and valve operation. Prevents fuel from entering vent tubes. Let’s in air flow into the tanks for venting.

29 Which tank(s) can be refilled, with only battery power applied to the airplane?. Left main tank only. Right and Left main tanks. Center tank only.

30. In flight condition, during final approach, the Motor Cooling Shutoff Valve is: Open and the Stator cooling check valve close. Close and the Stator cooling check valve remain in open position. Open and the Stator cooling check valve remain in open position.

31 Why does the Center tank vent line to the right-wing surge tank have check valves?. To permit the purge in the center tanks. The check valves for the tank vent that goes out of the right surge tank are to keep the ni‐ trogen enriched air at a low concentration for the center tank. There are 2 fuel vent crossflow check valves in the vent channels between the center tank and the right surge tank to help keep (NEA) Nitrogen Enrich Air, concentration High. There are 2 fuel vent crossflow check valves in the vent channels between the center tank and the right surge tank to help keep (NEA) Nitrogen Enrich Air, concentration Low.

32 For NGS start-up, the FCV control is set to a position reference. The FCV is set to: 23 Degrees open until the NEA line is purged and excitation power goes to the NEA flow and O2 sensor. 23 Degrees open until the Cabin Shutoff valve close for the NEA line is purged and excita‐ tion power goes to the NEA flow and O2 sensors. 23 degrees open until the RACV remain in the last position for the NEA line is purged and excitation power goes to the NEA temperature sensor and N2 sensors.

33 During Flight, show status message, (NITROGEN GEN GND CLG VLV) This message show when: The Ground Cooling Valve Fail in Close Position. The Ground Cooling Valve Fail in Open Position. The Ram Air control Valve Fail in Close Position.

34 The Fire Extinguishing mode of operation are: Engines-manual Only, Lavatories Waste compartment-automatic-Only, APU- manual or automatic, Cargo comparments-manual or automatic. Engines-manual Only, Lavatories-automatic-Only, APU-manual or automatic, Cargo comparments-manual Only. Engines-manual or automatic, Lavatories-automatic-Only, APU-manual or automatic, Cargo comparments-manual or automatic.

35 When Engine overheat detection present, the Aural warning is a beeper, not a fire bell and Engine fire switches and fuel control switches come on. TRUE. FALSE.

36 Each engine has : 12 fire detector assemblies. 6 fire detector assemblies. 24 fire detector assemblies.

37 the engine overheat detection is present for. Hot Air leaks in the Engine Bleed duct. Hot air leaks in the lower fan case, Engine Anti Ice duct. Hot Air leaks in the upper fan case, Engine Anti Ice duct.

38 The ENG BTL 1 DISCH and ENG BTL 2 DISCH lights are on the P8 panel, when the: When L or R Engine fire Sw is selected, the system is armed and discharge the fire extinghishing bottles only. When L or R Engine fire Sw is selected, the system is armed and discharge the fire extinghishing bottles or when the pressure is too low. When L or R Engine fire Sw is selected and the system is armed only.

39 Status: Airplane: ATA 26 FIRE PROTECTION QUESTIONARY A Lh Engine: Lh Fuel Control Sw: Master Warning Light: Fire aural warning bell: Rev. No. Fecha: ( ) ( ) ( ) On Ground Fire In Run position and red indicator light comes on. come on .. come on. When you move the fuel control switch to the CUTOFF position, !he engine shut down, and also unlock the fire handle sw. The Answer A and C are true. The fire override sw lets you unlock the engine fire sw.

40 The APU stops automatically and the fire bottle: Discharges in 5 seconds later. Discharges in 20 seconds later. Oischarges in 15 seconds later.

41 The APU fire detectors: Only detect a fire. Detectan overheat and fire condition. Only detectan overheat condition.

42 The LH MEDC has 2 Channel, lfthe channel A is lnoperative, the following conditions is considered: The LH Channel B operates normally - The engines oil quantity indicating system is considered inoperative in both engines. The RH Channel B operates normally - The Rh engine oil quantity indicating system is considered inoperative. The LH Channel B operates normally on both engines - The associated engine oil quantity indicating system is considered inoperative.

43. The cargo compartment fire extinguishing system uses. 1 types of discharge bottles (HRD), and 5 types of discharge bottles (LRD) ETOPS 330 min. 2 types of discharge bottles, (HRD). and 3 types of discharge bottles (LRD) ETOPS 330 min. 2 types of discharge bottles, (HRD) and 5 types of discharge bottles (LRD) ETOPS 330 min.

44. The Cargo Compartment have a Squib Monitor and Control Unit (SMCU) and: The CFPS sends command to the SMCU to energize the squibs and !he flow valves And relieves the extinguishing agent of the bottles. The PFPS sends command to the SMCU to discharge !he squibs an !he flow valves. And relieves the extinguishing - . . . . . . . . , agent of the bottles. The CFPS sends command to the SMCU to discharge the squibs an the flow valves. And relieves the extinguishing agent of the bottles.

45. The Cargo compartment fire extinguishing filter/regulator filters the extinguishing agen! and meters the flow from. The HRD bottles only. Both LRD and HRD bottles. The LRD bottles only.

46.The HRD bottles release their contents. Slowly 15 minutes after the LRD bottles release. Slowly 15 seconds after the LRD bottles release. lnmmediately when discharged.

47. Status: Airplane: AFT Cargo Compartment: - In flight. Fire. In Flight manual mode operation: -Select the FWD CARGO FIRE switch and Push ARM. -Lift the guard and push the DISCH switch -The high-rate discharge (HRD) bottles discharge immediately into the manifold -After a 15-minute delay, the low-rate discharge (LRD) bottles discharge into the manifold. n Flight automatic mode operation: -Select the AFT CARGO FIRE switch and Push ARM. -Lift the guard and push the DISCH switch -The high-rate discharge (HRD) bottles discharge immediately into the manifold -After a 15-minute delay, the one low-rate discharge (LRD) bottles discharge into the manifold. In Flight automatic mode operation: -Fire detectíon system detects a fire in AFTER cargo compartment. -CFPS function arms and discharges the tire extinguishing bottles automatically. -The high-rate discharge (HRD) bottles discharge immediately . -The low-rate discharge (LRD) bottles discharge 15 minute delay.

48 When the lavatory smoke detector green light flashes on and off to show: The maintenance is necessary,. The smoke detector has power and operates correctly. When smoke is detected.

49. When the lavatory smoke detector Red light flashes on and off to show. When smoke is detected. The Detector is failed. When you push the test switch.

50. The lavatory waste compartment tire extinguisher bottle is automatic, and: The heat from the fire melts the fusible tips in the one discharge nozzles, when the temperature increase >70 ºC. The heat from the fire melts the fusible tips in the two discharge nozzles, when the temperature increase >70ºC. The heat from the fire operate the squib in the two discharge nozzles, when the temperature increase >70 ºC.