b767 ata 49-79-78 -.-.-.-

The EEC limit Protection affects : EGT and compressor discharge pressure. Nl. N2, and Compressor discharge pressure. The EGT Fuel Flow Oil pressure.

How does the EEC receive the comand input from the Thrust Lever?. There is one Thrust lever anges (TLA) interlaced mth the EEC. Using a push-pull cable connected between them. By means of microswitches below the cockpit floor.

When is the Approach Idle active?. 5 seconds atter touchdown with reverser no operated. during all inflight operations. During flight with flap not up or when the anti Ice system is ON.

The miniflag capability is proper of the: EICAS.1O1 and subsequent. ECU-18 and before. ECU.19 and subsequent.

To perform a PIMU MAINTENANCE RECALL ..: The EEC must be powered. The Alternate switch on P5 must be in "ON". The EICAS maintenance page nujst be selected.

How many actuator are on the Var. Bypass Valve system?. There is one electric actuator located at 20' clock. There is one actuator at the bottem of the Fan strut. There are tweo servo actuator at 4:00 and 10:00 position on the fan strut.

The high press compressor is: Fourteen rotor stages and six VSV stages. Fifteen rotor stages and roar VSV stages. Nine rotor stages and five VSV stages.

The Cooling Fan: Is controlled by a door position switch,. Is operated by a PCD2 signal. Is mechanically actuated by AGB.

On thrust reverse system. when is the Directional Pilot Valve(DPV) energized?. Only during reverse deployrnent. During reverse deployment or retraction. Only during reverse retraction.

The APU "IGV" function Is: To control the cornbustion air. To deliver air to cool the APU compartment. TO control the efficiency Of the pneumatic delivery.

During APU starting. the starter cut out is performed: At 95% RPM when the APU is running. 30 seconds after the ignition is energized. Between 42% and 55% RPM.

It the "FAULT" light flashes one time on P5 panel during APU start... : The APU tailed to start. The APU Fuel SOV is in transit to open. The APU speed is above 95%.

When the Reverser interlock is removed, on GE CF6 engine?. When the Rev PRSOV is comanded to open. When the Rev Handles are moved to REV. After both half reverser are more tha a 60% deployed.

In the FCU, the function of the Torquemotor is to drive the: Gear fuel pump. Metering valve. Fuel Shutoff valve.

wich Air is used on the Turbine Clearance Coding sytem?. Fan Air. Air from 8 stage. Compressor Air from stage 11.

In the FCU. the function of the Torquemotor is to drive the: Gear fuel pump. Metering valve. Fuel Shutoff valve.

PT2.5 signal is obtained from: The intercompressor section. The exhaust of the high compressor. The inlet of the fan airflow.

What statement refer to the Turbine Cooling System is true?. The Hi pcessure turbine case is coded for better efficiency. Both valves (LPTC; HPTC) are commanded trom a dedicated switch on P5 in the cockpit. The LPTC (low pressure turbine cooling) Valve is electrically operated.

How many magnetic chip detector are on the oil system?. There are three, one on the main gear t»x, one on the scavenge filter and one at the bottom of the oil tank. There is only one chip detector on the supply line to the pressure pump. There are five, on the scavenge pump and one on the output oil line to the heater exchanger.

On P-5, "RUN" LT STDY ON means: APU speed above 95%. Only when APU has a failed unit. Prestart check finished.

VVhich message will be on view if the fuel tilter became clogged?. Engine fuel filter. Engine fuel hi temp. Engine fuel low press.

Aditional protection to N2 shaft is provided by overspeed governor. W'here is the governor installed?. Inside the Accesory gear box. On top of the transfer gear box. Inside the HMU.

When does the EEC is supplied with aircraft electrical power?. When the engine is being started, fuel ctrl sw. RUN or TEST. Only during ground mode test from maintenance switch P61. When the Control alternator is short circuit.

The purpose of the tan frame struts is to: Attach the booster to the engine core. Direct the fan airflow. Support the tan case to the engine core.

During Start procedure. the APU starter is available when: The door is fully open. The master control switch is set to ON. The fuel solenoid valve is supplied.

what is the meaning the EICAS Message. L Eng EEC MODE?. The EEC maintenance switch on POI is in ON. The EEC is in the reversionary mode. The EEC is commanding the Reverser to deploy position.

The Electromechanical Brake in the thrust reverser system (TRAS) is. : Pneumatically activated to brake. Electrically activated to brake the flexshaft motion. Electrically energized to release.

VVhen the APU control selector is moved to Start/ON, the RUN light blinks twice, is the reason for?. The APU door is going to the close position. The fuel shutoff valve is in transit to close. The APU Control Unit performed the prestart bite.

On a Hi bypass engine like the CF6-80. The 80% ot the thrust is produced by the FAN. The whole thrust iS developed by the Jet propulsion. The 20 % of the thrust is from the FAN.

When the engine is running. where is the electric power supply from?. From the N2 sensor. From the PMA. From the IDG.

In the CF6-80 what is the Servo Fuel used for?. To keep the high press fuel pump property fed. To feed the primary fuel nozzles during engine start. As a musde pressure for VBV , VSV and HPTV actuators.

when the "Eng. Limit Protection" message should be on view?. When the EEC is in the Reversionary mode and Nl is exceed over the limit,. When the Engine is shut down. When the EEC detect over speed.

What statemen about the Oil System is true?. The oil pressure is not regulated and depends on the thrust setting. The oil pressure is regulated by means of a calibrated orifice. The oil pressure is regulated by means of a governor.

what is the purpose of the Auxiliary Power Unit (APU)?. Thrust power. Electrical and pneumatic power. Hydraulic.

Wthat about the Low Pressure Compressor is true?. It contains Variables Stator Vanes. It has three stage. the FAN and 2 booster stages. It is driven by a Low Pressure Turbine.

which is the sequence to open the Engine cowls?. First the Fan, then the Reverser and finally the Core cowl. There is no special sequence to open the cows. First the Core cowls, then the Fan cows and the Reverser cowls at the end.

The De-oilling solenoide valve is energized: Only during APU Fire shutdown. During all shutdown and every start with low oil V. During every APU start and shutdown.

How is the Variable Stator Vane actuator operate?. By mean of one Pneumatic actuator, controlled from the fuel control switches. By mean of one electric actuator. By servo fuel pressure controlled by the EEC.

How many FueVOil heater exchangers are there in the fuel system of the CF6 80C2 engine?. There is one. There are two. There are three.

How many fuel nozzles are there on the Engine CF6-80?. There are 30 fuel Nozzles. There are 4 manifold with 7 fuel nozzles each other. There are there are 6 fuel nozzles.