B787 4examen

Related to the PDOS Power Pack, when servicing the reservoir with fluid, the fluid to be used is: Engine oil. Fuel. Hydraulic fluid.

The Drain Collector Tank, in the engine fuel system, collect fuel after engine shut down: Only when shut down on ground. When shut down on ground or in flight. When shuting down in flight only.

The four speed sensor in the Low Pressure Turbine, are used to: Detect a breakage of the Low Pressure shaft. Monitor the Fan Speed. Sense the Low Pressure turbine Speed.

The engine mount(s) that transmits : vertical, side, torsión and thrust forces is (are): Aft. Fwd. Both.

The LP shaft, N1, is supported by these Bearing: Front, roller; Mid, ball; Rear, roller. Front, ball; Mid, roller; Rear, roller. Front, roller; Mid, roller; Rear, ball.

The engine station 30, is located: At the HP compressor outlet. At the engine inlet. At the IP compressor Inlet.

The turbine that drives the Fan (LP compressor), is, and have how many stages: LP turbine, six stages. HP turbine, one stage. LP turbine, six stages.

Related to the HPC rotor, it turns, in which direction (aft looking forward): Clockwise. Counter clockwise. Same direction as the LPC rotor (FAN).

Which rotor drives the External Gearbox (accesory gearbox). IP compressor. LPC rotor. HP compressor.

The Power indication show the Thrust generated by the engine as: TPR. EPR. N1 mode.

How many sensors, and where are located to sense TGT (EGT) in the engine: Twelve thermocouples, sta. 44. Two thermocouples, sta 50. Six Thermocouples , sta.40.

How many vibration transducer does the engine have: 3. 2. 1.

What type of fuel pump does the engine have: Gearbox driven, one LP(centrifugal), two high pressure (geared). Gearbox driven, one LP(centrifugal), one high pressure (geared). Electrically driven, three stages, one LP, two HP.

Which valve, in the HMU, controls the rate of fuel flow to the fuel nozzles: FMV. PRSOV. Dump valve.

In which fuel nozzles must be located the Steel Weights, that have a dash line on his end (-): 8 & 12. At any position. 16 & 18.

What will happen to the engine if the Overthreat Protection detect and activates the Thrust Control Malfunction Accomodation (TCMA) function. The engine goes to Shut Down. The engine goes to Idle. The engine can go to Overspeed.

In the EEC modes, if the engines changes to Soft Alternate, the thrust of the engine will shown in: N1 indicator. TPR indicator. N2 indicator.

What type of sensor supply thrust command signal to the E.E.C. when the Thrust Lever are moved. Resolvers. Servo Motors. LVDTs.

Related to the oil pump, what type of pump it is: Vane type, one pressure pump, Ten scavenge pump. Vane type, one pressure pump, two scavenge pumps. Gear type, one pressure pump, ten scavenge pump.

Which unit/component determines the level of contamination (ferrous particles) in the scavenged oil?. - The Oil Debris Signal conditioner. The E.E.C. The Oil Debris Sensor.

When the Engine Section Stator (ESS) anti Ice system is activated, the air is taken from (for anti ice): IP8. HP3. HP8.