Examen A320

The N1 indication on the E&W display shows the rotational speed of the: Fan, LPC and LPT. LPC and LPT. HPC and HPT.

In the PW1100 engine, what controls the flow divider valve?. PHMU channel B only. Input from EEC. It is self-operated spring valve.

The bearings that are oil damped are: All seven. 1,2,3,4,6. 1,1.5,5,6.

The opening and closing of the NAI (nacelle anti ice valve) is controlled: Directly by the ENG A/ICE PB (push buttons) on the Over Head panel. By the EEC, upon Pilot request. By the BMCs, 1 or 2.

How many fire detectors does the PW1100 have?. Three fire detectors (pylon, AGB and core). Two fire detectors (AGB and core). Four fire detectors (fan, pylon, AGB and core).

In the PW1100 engine, the primary (master) stator vane actuator has: A single channel torque motor and dual RVDT. Dual channels torque motors without feedback position. Dual channels torque motor and LVDT.

In the PW1100 engine, which are the tapered roller bearings?. 4 and 5 engine bearings. 1 and 2 engine bearings. 1 and 1,5 engine bearings.

The purpose of the auxiliary lubrication system is: To lubricate the journal bearings of the FDGS, under certain circumstances. To lubricate the journal bearings of the FDGS all the time when the engine is running. To lubricate the main bearing in case of failure of the main pump.

How many stages are there in the LPC?. 3 stages. 4 stages, 4 rotors, 3 stators. 4 stages.

The valve FOHEBV (fuel oil heat exchanger bypass valve) related to its operating mode, is: Automatic control, by a thermal device included on it. Aoperation (spring loaded). Electrically controlled by the E.E.C.

To accomplish the nacelle anti-ice (NAI) function (engine air inlet), the system uses air from: 6th HPC stage. 2.5 Sta., LPC. The pneumatic system.

The position signal (open or close) of the HPC bleed valves (6th stage air), to the EEC, comes from: Directly from the valves, by means of position switches. Two (2) Bleed Valve pressure sensors(tranducers). Two (2) LVDTs, one for each valve.

The supporting bearings for N1, are the bearings N: 3 & 4. 1-1.5-2-5-6. 2-5 & 6.

The JOSV (journal oil shuttle valve) is used to control the lubrication of the: Bearings N 1 and 1.5. Journal bearings of the Fan drive gear system. Gears of the Fan Drive Gear System.

In the PW1100 engine, the fail position of the engine anti-ice valves is: Both full close. Both full open. Upper valve full open and lower valve partially open.

The interruption of an automatic start can be achieved: Pushing the MAN START pushbutton on the overhead panel. Setting the mode selector to NORM. Setting the MASTER control switch back to OFF.

How many stage has the HPC ?. 12 stages. 10 stages. 8 stages.

The fan cowl door has the following number of telescopic hold open rods (HOR) and latches: 2 HOR and 3 latches. 3 HOR and 2 latches. 1 HOR and 4 latches.

In the PW1100 engine, the 2.5 bleed valve air system consist of: Two servo fuel actuator, bellcrank, bleed ring and linkage. One servo fuel actuator, bellcrank, bleed ring and linkage. One pneumatic actuator, bellcrank, bleed ring and linkage.

The fan speed (NF sensor) is installed on the: Compressor Intermediate Case (CIC). Angle Gearbor (AGB). Support for bearings N 1 & 1.5.

The Fail Safe position for the VIGV (variable inlet guide vanes) of the LPC is: Closed. Full open. Half closed.

Related to the main oil filter;. Disposable, dual unit with bypass valve. Disposable, single unit with bypass valve. Cleanable, one main, one back up filter.

The purpose of the Thermal Management system is: Just to maintain engine oil within limits. To control the fuel and lubrication systems temperature within limits. To cool the engine oil and fuel.

The inputs used by the electronic engine control (EEC) to calculate the N1 rating limit are the: Actual N1 speed and the exhaust Gas Temperature (EGT). EGT and the Throttle Control Lever (TLA) position. TLA position and the air data parameters from the Air Data and Inertial Reference Unit.

The cockpit control used to stop the fuel flow and shut down the engine is: The Engine Master Lever. The Eng MAN START P/B. The ENG MODE Rotary Selector.

Which are the thrust bearings (ball bearings) on the two rotor systems?. The N 1 and the N 2 bearing. The N 2 and the N 3 bearing. The N 3 and the N 4 bearing.

The fail safe position of the nacelle anti-ice (NAI) valve(s) is (are): Open. Half open. Close.

The valve ADSOV (active damping shut off valve) controls the damping oil to: All oil damped bearings. Bearing N 4. Bearing N 3.

When the nacelle anti-ice system is operating, a hot air leak detection is done by mean of: A dual temperature sensor. One pressure transducer and one temperature sensor. Two pressure transducers.

The position feedback of the Thrust reverser for the EEC comes from: Two (2) LVDTs located in the Upper locking actuators. Four(4) deploy and four (4) stow position switches. Four (4) proximity sensors and targets.

The engine vibrations data are collected by the: Engine Vibration Monitoring Unit (EVMU). Prognostic Health Monitoring Unit (PHMU). Engine Interface Unit (EIU).

What type of valve does it have the engine Anti-ice valve (NAI) system: It's a two pressure regulating & shut off valves system. A modulated electrical type valve. A shut off type valve, just can be open or close.

The engine fuel pump is driven by the: Low Pressure (LP) rotor. Accessory Gear Box. Fan Drive Gear System (FDGS).

The fuel spray nozzles installed on the engine combustion chamber are: Of two different types and connected to two different fuel distribution manifolds. All the same and connected to the same fuel distribution manifold. All the same and connected to two different fuel distribution manifolds.

The engine drain mast gives a leak path exit for hydraulic, oil and: Fuel components. Permanent Magnet Alternator (PMA). Reverser systems actuators.

The buffer air from the buffer air heat exchanger is used to: Cool and pressurize the N4 bearing compartment. Cool the HPT case. Pressurize all bearing compartment.

For lubrication purpose, the oil system has an LSOP (Lubrication Scavenge Oil Pump); it consists of: A pressure pump and 2 separated scavenge pumps. A lubrication (1) and Scavenge (6) pumps, in one module. A pressure pump (1) and a scavenge pump(1).

In the PW1100 engine, the oil debris monitor (ODM) sends data to: ECC. PHMU. EIU.

The Oil Filter Clog message on ECAM means... The main oil filter is clogged, the secondary oil filter will filters the oil. The secondary oil filter is clogged. The main oil filter, single type is clogged.

The PMA (Permanent Magnet Alternator) is cooled by: Oil from the engine lubrication system. Air taken from the 2.5 Sta., supplied by a pipe. Oil stored in the PMA itself.