787 man 5

1.- In B787-8 the alternate ventilation system (AVS) uses: AVS inlet door and this is flush and opens into the fuselaje. Two outflow valves (FWD & AFT). Ram air inlet.

2.- Which components provides electric heat connections to the flight deck window?. Two window heat protection units (WHPU). Two pneumatic heaters. One window heat protection units (WHPU).

4.- Related to Electrical Dimmable Window: It can be controlled by the window or the cabin attendant panel. Controlled from the P5 panel. These don't have a remote control.

5.- The main composite material used in the B787 structure is: CFRP (Carbon fider reinforced plastic). Alluminum. Stainless steel.

6.-When both water pumps operate at same time?. During a system drain operation. All time. During take off.

7.-The low limit valve (LLV) is used to. Prevent ice in the condenser. Cooling the OFV motor controller. Drain the PECS fluid.

8.- The wing ice protection system (WIPS) uses: Electro-thermal heater mats. HP6 bleed air. Warm liquid system.

9.- Where can you electrically adjust the cap or F/O seat from?. From two electrical control switch, one under a cover behind The head rest and one located on the inboard side of the seat. It does not have electric control. From the cabin attendant panel (CAP).

10.- How many cabin air compressors (CAC) are there?. Four, Two in each pack. Two, One in each pack. Four, Two in each NGS pack.

11.- When can you operate de cargo doors?. When airplane is on ground and engines are not running. During pushback and taxi. When airplane is on air.

12.-The bleed air for the Rolls Royce Trent 1000 engine anti-ice system comes from: The high pressure compressor, stage 3. The IPC8 stage. The LPC3 stage.

13.- How can the flight crew members get out of the airplane during emergency conditions?. They can use the emergency escape descent devices near the Flight deck overhead. They can use the emergency escape slides in the 1L door. They can use the emergency escape slides in the 1R door.

14.-How many channels does the valve control unit (VCU) have?. Two channels. Only one channel. Four channels.

15.-How many loops does the PECS have?. Two loops, left and right. One loop. Three loops, left, center and right.

16.- The B787 has liquid cooling system in: Power electronics cooling system (PECS) and integrated cooling system (ICS). Integrated cooling system (ICS) and electric brake actuators (EBA). Electric brake actuators (EBA).

17.- How many sections does the air cycles machine have?. Three sections: compressor T1 and T2 turbines. Two sections: compressor and T1 turbine. Four sections: two compressor stages and T1 & T2 turbines.

18.- Are the outflow valve (OFV) interchangeable between 787-8 and 787-9?. No, they are not. Yes, are interchangeable. only a few P/N.

19.- On the passenger entry doors, the purpose of the EPAS system is. It operates in emergency opening, with the mode selector in armed position. Mantain the door in the frame. Activate the evacuation command horn.

20.- Where is the ODS controller located?. Aft cargo compartment. Aft EE bay, rack E8. FCE C1.

21.- The air cycle machine bypass valve (ABV) is used for. Pack outlet temperature control. Lower recirculation heat exchanger. Fwd EE bay equipment cooling fan.

22.- How many seconds take to warm the ultraviolet water treatment unit?. 80 seconds. 40 seconds. Doesn't have time.

23.-How many locking lugs do the passenger seat fitting have?. The FWD passenger seat fitting has one locking lug and the AFT has two locking lugs. The FWD passenger seat fitting has two locking lugs and the AFT has two locking lugs. The FWD passenger seat fitting has three locking lug and the AFT has two locking lugs.

24.- In relation to air conditioned ground connection, the 787-9 has: Two connections, one on each pack. The 787 has no connection. Three connections, one on each pack and one in NGS pack.

25.- The emergency power assist system (EPAS) safety switch is used to: Deactivate the system during maintenance. During a self test in progress. The EPAS doesn't have safety switch.

26.- The passenger oxygen is obtained from: Small high-pressure cylinder in each PSU. A big cylinder in the aft cargo compartment. A chemical converter in each PSU.

27.- Which one of these units provides CAC operation efficiency?. The variable diffuser. The pack control unit (PCU). Ram air inlet door.

28.- The lavatory/galley ventilation system is used to: Take air from lavatories, galley and crew rests and send it to the AFT outflow valve. Use this air to cooling the left loop of PECS. This air is sent to the recirculation system.

29.- The outflow valve (OFV) has: Three motors, two for each channel of one valve control unit (VCU) and the third one to manual input from flight deck. Three motors, one for each channel of one valve control unit (VCU). Three motors for the manual control from the flight deck.

30.-The cabin air compressor deflector door has: Three positions, close partially and fully deployed controlled by one actuator only. Two positions, close and full deployed. only one position (partially open).