EXAMEN 4

-How many hydraulic system isolation valves are there?. Two isolation valves in the center hydraulic system. Three isolation valves, one in each hydraulic system. Three isolation valvesin the center hydraulic system.

-How can the engine driven pump (EDP) be depressurized?. Manually from EDP Sw only. Manually from EDP Sw or Fire handle. Manually (EDP Sw or Fire handle) or automatically (HYDIF).

What isthe main function of electrical brake actuator controller (EBAC)?. It controlsthe electrical brake actuators(EBA). It monitors the brake temperature. It controlsthe associated hydraulic brake actuators.

How many control mode does the high lift function (HLF) have?. Three control mode; normal, secondary and alternate. Three control mode; primary,secondary and alternate. Two control mode; primary and backup.

The 787-9 Flap control lever module has: 30 positions. 10 positions. 9 positions.

The Horizontal Stabilizer is actuated by: Electrical motors. Hydraulicmotors. Hydraulic actuators.

In the center reservoir,the suction shutoff valve stops hydraulic flow to the: Right engine driven pump (EDP). Electric motor pump (EMP) C1. Electric motor pump (EMP) C2.

Related to the operation of the Primary Flight Controls, the system: Is a Fly by Wire System: a mechanical input, electrical control, hydraulic operation. Is a fully electrical system. Receives only mechanical inputs and hydraulic pressure.

The LVDT in the hydraulic reservoir sends QTY information to: Eicas page. Status page,synoptics page and maintenance page. CDU pages.

In the landing gear,the Main Brake System is: An High Air pressure system. AnHydraulically operated system. An electrically operated system.

For wich function are used the flight control surface lock switches?. To lock the wing or/and tail flight control surfaces during maintenance. To return from direct to normal flight control mode. To reset the flight controlsin flt.

Which is the function of the hydraulic system heat exchangers?. To cool the hydraulic fluid and warm the tank fuel. To cool the hydraulic fluid and warm the engine oil. To warm the hydraulic fluid and cool the engine oil.

The Roll channel is controlled by: Only Ailerons. Aileron and Flaperon. Flaps.

Park and adjust control mode of the BSCU Means: Keep moving EBAs (for 1 hour) to keep clamping force during brake cooling period. Adjust option for maintenance purpose only (CMCF). Release the clamping force due thermal changes.

The engine driven pump is: An axial piston, variable displacement, output pressure 5000 psi and 25 gpm maximum. An axial piston, variable displacement, output pressure 3000 psi and 25 gpm maximum. Gear pump, output pressure 5000 psi and 25 gpm maximum.

Why is necessary to set the IRU ON before you operate the Electric Motor Pump (EMP)?. To do a better control of electrical powerif you operate any EMP using external power. To reduce the output pressure at 3000 psi during APU maintenance program only. To increase the speed at 5500 RPM.

Related to the Hydraulic system,the aircraft has: Three independent system; left, right and center system. Two main systems; left and right, and an auxiliary system. Three systems; one main, one secondary and an auxiliary system.

What do you use to remove power from the horizontal stabilizer in a run-away condition?. Opposite elevator movement. Primary flight control disconnectswitch. Horizontal stabilizer cutout switches.

The BSCUs have two channels: Fwd and Aft Brakes. Inboard and Outboard brakes. Nose and main wheels.

If all FCE's fail: Limited roll control is possible (Spoilers 4& 11). Mechanical back-up must be used. Roll control is lost.

How many channels does the NWS remote electronic unit have?. Two channels, one active other standby and changes every gear retraction. One channel. Two channels, both active and changes every gear retraction.

Which flight control electronic (FCE) cabinet does not have flight control module (FCM)?. Flight control electronic (FCE) cabinet C2. Flight control electronic (FCE) cabinet C1. Flight control electronic (FCE) cabinetright.

When is the "Brake Temp" advisory message shown on EICAS?. If a brake temperature indication has 5.0 or more. If a brake temperature indication has low pressure. If a brake temperature indication has lower than 5.0.

In the high lift alternate mode, the flaps and slats use: Electrical power to extend and retract only. Hydraulic powerto extend and electrical power to retract. Electrical or hydraulic power to extend and retract.

The Nose landing Gear ARDC monitors: Tire pressure only. Wheel speed. Air/Gnd signal.

For controlling the Nose Wheel Steering, the system uses: A mecanically controlled and electrically operated actuator. Two hydraulically operated actuators. Two electrically operated actuators.

The spoilers 4, 5, 10, 11 are: Operate by EMA's. Operate by PCU's. Operate by EMCU's.

When the RAT (Ram Air Turbine) operates in emergency, it supplies hydraulic pressure to: Right system Flight Controls. Left System Flight Controls. Center system Flight Controls.

Where is NWS remote electronic unit located?. Forward EE bay. Internal of P40. B-787 does not have NWS remote electronic unit.

Autobrake control is part of: Left BSCU. CCS. Right BSCU.

The purpose of the EDAS/HLFC system, in Flight Controls on the B 787-9 is to provide: Increase riding characterictics and a better and comfortable flight experience forthe passanger. Better handling characterictics from the flight controls point of view. Reduce drag and fuel burn in cruise flight.

Which unit is used to pressurize the landing gear alternate system?. C2 EMP (Electric motor pump). C1 EMP (Electric motor pump). Dedicated electrical/hydraulical power pack.

Where is the left hydraulic EMP located?. On the LH main wheel well. On the trent gearbox. On the engine strut.

How many flight control electronic (FCE) batteries does the B-787 have?. Two FCE batteries. FCE system use the main and APU batteries. One FCE battery.

light control electronic (FCE) batteriessupply power to related FCE cabinet for. 10 minutes. 30 minutes. 60 minutes.

To operate high liftin alternate mode, you need select: Arm switch to arm position and flap lever to retract or extend position. Arm switch to arm position and control selector to retract or extend position. Flap lever to desired position.

During the approaching procedures: The spoilers droop to increase the wing lift with the liftsystem. Only the spoilers help to the high lift system. The spoilers doesnt move, because the airplane is in the final approach.

How are the AFT doors of the nose landing gear operated?. Electrically operated. Hydraulically operated. Mechanically operated.

The Spoilers EMA's are controlled by: EMCU's. SREU's. REU's.

The inboard and outboard spoilers PCUs are: Full interchangeable. The spoilers havent PCUs. Not interchangeable.