T3

The ECB cuts off the supply to the starter: (APIC). when the APU speed is 50%. when the APU speed is 55%. when the APU speed is 60%.

What component prevents than the bottle 2 to be discharged before bottle 1 in the cargo compartment?. A time delay relay. A priority relay. A secondary relay.

Which statement is correct according to APU automatic extinguishing?. APU automatic extinguishing is only triggered by APU Fire Loop "B". APU automatic extinguishing is triggered by APU Fire Loop "A" and Loop "B". APU automatic extinguishing is only triggered by APU Fire Loop "A".

During an engine manual sequence, which action opens the fuel LP valve and the PRSOV (pressure raising & shutoff valve) to allow fuel into the combustion chamber?. Set the ENG MAN START PB in the ON position (overhead). Set the rotary switch in the IGN/START position (center pedestal). Set the ENG MASTER LEVER in the ON position (center pedestal).

Which is the purpose of the Inlet Guide Vanes?. The Inlet Guide Vanes (IGVs) control the amount of fuel discharged from the APU load turbine. The Inlet Guide Vanes (IGVs) control the amount of air discharged from the APU load turbine. The Inlet Guide Vanes (IGVs) control the amount of air discharged from the APU load compressor.

The APU auto extinguishing test should be performed every: 3000 flight hours. 2000 flight hours. 1000 flight hours.

(In flight) To extinguish the engine fire the following actions have to be done: Wait for 30 seconds: this is required to reduce engine wind milling, reducing the nacelle ventilation which increases the agent effect and press AGENT 1 P/BSW. Wait for 10 seconds: this is required to reduce engine wind milling, reducing the nacelle ventilation which increases the agent effect and press AGENT 1 P/BSW. Select AGENT 1 and AGENT 2 P/BSWs. When the AGENT 1 and AGENT 2 P/BSWs are pressed, both engine fire bottles are discharged in the engine compartment.

How is ensured the load compressor surge protection? (Honeywel): By a surge control valve, which discharges the excess of air in the exhaust. The surge control valve is hydraulically operated for accurate and fast operation. By a surge control valve, which discharges the excess of air in the turbine. The surge control valve is hydraulically operated for accurate and fast operation. By a surge control valve, which discharges the excess of air in the exhaust. The surge control valve is pneumatically operated for accurate and fast operation.

Under normal operating conditions, which ratio provides the primary thrust indication of the engine (EPR)?. Fan Inlet pressure / LPT outlet pressure. LPT Outlet pressure / Fan inlet pressure. HPT Outlet pressure / HPC inlet pressure.

The FDU supplies an inoperative signal if: Detection of a single loop fire during more than 6 s while the other loop is in normal condition. Detection of a single loop fire during more than 26 s while the other loop is in normal condition. Detection of a single loop fire during more than 16 s while the other loop is in normal condition.

During starting, the ECB switches the ignition to ON: (APIC). between 0% and 60%. between 0% and 55%. between 0% and 50%.

What indicates an amber fault light on the CABIN PRESSURE PANEL MOD SEL pushbutton?. CPC 18amp;CPC 2 failure, manual mode must be selected and the outflow valve will be open or closed using the MAN V/S CTL TOGGLE SW. CPC 18amp;CPC 2 failure, auto mode must be selected and the outflow valve will be open or closed using the LDG ELEV SELECTOR. CPC 18amp;CPC 2 failure, manual mode must be selected and the safety valves will be open or closed using the MAN V/S CTL TOGGLE SW.

How is controlled the pack outlet temperature by the ACSCs?. The ACSC modulate the BYPASS VALVE and the RAM AIR INLET door, when the bypass valve opens, the ram air inlet door also opens. The ACSC modulate the FLOW CONTROL VALVE and the RAM AIR INLET door, when the bypass valve opens, the ram air inlet door closes and vice versa. The ACSC modulate the BYPASS VALVE and the RAM AIR INLET door, when the bypass valve opens, the ram air inlet door closes and vice versa.

What is the only component of the oil system controlled by the Electronic Control Box?. The Low Oil Pressure. The low level sensor. The De-oiling solenoid valve.

What is the purpose of the reheater?. To reduce the temperature of the air before reaching the turbine inlet to vaporize any remaining water droplets for turbine protection. To raise the temperature of the air before reaching the turbine outlet to vaporize any remaining water droplets for turbine protection. To raise the temperature of the air before reaching the turbine inlet to vaporize any remaining water droplets for turbine protection.

In automatic mode, the outflow valve is controlled by: FMGC Flight Management Guidance Computer. ACSC Air Conditioning System Controller. CPC Cabin Pressure Controller.

What is the purpose of the deoiler in the engine lubrication system?. Separate the air/oil mixture used to pressurize the bearing compartments, returning the air to the tank and discharging the oil to the atmosphere (overboard). Separate the air/oil mixture used to pressurize the bearing compartments, returning the air to the tank and discharging the oil in the gearbox. Separate the air/oil mixture used to pressurize the bearing compartments, returning the oil to the tank and discharging the air to the atmosphere (overboard).

Which component from the engine fuel system regulates the flow of fuel to the engine (according to an electrical signal coming from the EEC) to the nozzles, to satisfy aircraft thrust requirements?. The Pressure Raising & Shutoff Valve. The Overspeed Valve. The Fuel Metering Valve.

The Avionics SMOKE detector is fitted in the: Downstream blower duct of the avionics equipment. Upstream of the avionics equipment on extraction duct. Downstream of the avionics equipment on extraction duct.

What air is used in the turbines Active Clearance Control ACC.?. 7th and 10th compressor stage air. 2th compressor stage air. Fan air.

When is theAPU drain tank emptied?. When the aircraft speed is above 200KTS. When the aircraft is stopped on the ramp. When the aircraft altitude is above 2000 feet.

During starting, the ECB switches the ignition to ON: (HONEYWELL). between 0% and 55%. between 0% and 50%. between 0% and 60%.

How is the rotation speed of HPC (high pressure compressor) N2 measured?. By means of speed probes interacting with a phonic wheel. By means of a gearbox mounted tachometer. By means of the PMA (permanent magnetic alternator)frequency.

The leak detection system consists of?. Protected areas with single loop for RH & LH wings/packs, a single loop APU duct, double loop for PYLONS. Protected areas with double loop for RH & LH wings/packs, a single loop APU duct, double loop for PYLONS. Protected areas with double loop for RH & LH wings/packs, a single loop APU duct, single loop for PYLONS.

What is the purpose of the safety valves?. To replace the outflow valves. To avoid negative differential pressure. To prevent excessive positive and negative differential pressure.

How the Electronic Control Box (ECB) controls the fuel-metering valve? (HONEYWELL). By a torque motor. By Inlet guide vanes. By fuel muscle pressure.

Which statement is correct if the BMC1 is failed?. The APU BLEED LEAK warning is lost. The APU BLEED LEAK warning is not affected. The APU BLEED LEAK warning is activated by ECB.

(In flight) To extinguish the APU fire the following actions have to be done: A 10 s delay allows the airflow to reduce, this increases the agent effect. A 30 s delay allows the airflow to reduce, this increases the agent effect. A 20 s delay allows the airflow to reduce, this increases the agent effect.

Which is the function of the de-oiling solenoid valve?. Increases the oil pressure pump load during the APU start. Reduces the oil pressure pump load during the APU start. Reduces the fuel pressure pump load during the APU start.

The FDU sends FIRE and FAULT signals to: SDAC for display on the ECAM. FWC for display on the ECAM. DMC for display on the ECAM.

How are controlled and operated the HPV, PRV, OPV and FAV?. Are all controlled pneumatically and operated ELEC. Are all controlled and operated pneumatically. Are all controlled ELEC and operated pneumatically.

The ECB cuts off the supply to the starter: (HONEYWELL). when the APU speed is about 50%. when the APU speed is about 45%. when the APU speed is about 60%.

What air is used to cool the number 4 bearing compartment?. The air-cooled fuel cooler cools 7th and 10th compressor stage air with fan air. The air-cooled air cooler cools the 12th stage air of the HPC with fan air. The air-cooled oil cooler cools 12th stage air of the HPT with fan air.

The FUEL LOw PRessure message is displayed on the APU ECAM page if: The fuel pressure is lower than 15.8 psi (1.01 bar). The fuel pressure is lower than 35.8 psi (1.01 bar). The fuel pressure is lower than 25.8 psi (1.01 bar).

When the ENG FIRE P/B is released out, which corresponding fire valves are closed?. HP shut off valve, engine fuel return valve and engine bleed valve and hydraulic shut off valve. LP shut off valve, engine fuel return valve, pack flow control valve and PRV and hydraulic shut off valve. LP shut off valve, engine fuel return valve, engine bleed valve, pack flow control valve and hydraulic shut off valve.

When the ENG FIRE P/B is released out, are the bleed and the pack valves closed?. Fire P/B it can't close the pack valves only the bleed valves. Yes, the fire P/B isolate bleed closing the pack flow control valve and ENG bleed valve. No, the fire P/B isolate only Hyd. and electrical power.

When the APU FIRE P/B is released out, which valve is affected?. APU low pressure shut off valve and APU bleed valve. APU low pressure shut off valve and APU main valve. APU hight pressure shut off valve and APU bleed valve.

When the APU FIRE P/B is released out, what happens to the electrical generation?. Stop the supply due to the APU electrical generator is in stand by mode. Continue the electrical supply until the bottle is discharged. Stop the supply due to the APU electrical generator shutoff.

Which warning lights are triggered in case of an avionic smoke detection?. Master warning comes ON, Generator 1 LINE SMOKE light comes ON, BLOWER FAULT and EXTRACT FAULT lights on the ventilation panel ON. Master caution comes ON, Generator 1 LINE SMOKE light comes ON, BLOWER FAULT lights on the ventilation panel. Master caution comes ON, Generator 1 LINE SMOKE light comes ON, BLOWER FAULT and EXTRACT FAULT lights on the ventilation panel ON.

How many smoke detectors are installed in the cargo compartments?. A320: two smoke detectors on the AFT/BULK cargo and two in the FWD cargo (4 EA) A321: Six smoke detectors on the AFT/BULK cargo and Four in the FWD cargo (10 EA). A320: Four smoke detectors on the AFT/BULK cargo and two in the FWD cargo (6 EA) A321: Six smoke detectors on the AFT/BULK cargo and Four in the FWD cargo (10 EA). A320: Four smoke detectors on the AFT/BULK cargo and four in the FWD cargo (8 EA) A321: Six smoke detectors on the AFT/BULK cargo and Four in the FWD cargo (10 EA).

If smoke is detected in a cargo compartment what happens?. The CIDS-SDF sends the smoke warning signal to the cockpit trough the DIRECTORS (CRC, Master Warning, ECAM message, and SMOKE light on cargo smoke panel). The CIDS-SDF sends the smoke warning signal to the cockpit trough the FWC (CRC, Master Warning, ECAM message, and SMOKE light on cargo smoke panel). The CIDS-SDF sends the smoke warning signal to the cockpit trough the DMC (CRC, Master Warning, ECAM message, and SMOKE light on cargo smoke panel).

Which drains collect fuel, water and air?. Air bypass plenum drain. APU drain mast. Air plenum chamber drain.

Of what kind of design is the engine compressor?. Single stage centrifugal compressor. Single stage variable compressor. Multiple stage centrifugal compressor.

Which components are installed on the combustion chamber ?. One igniter plug 6 dual orifice fuel nozzles. One igniter plug and 10 dual orifice fuel nozzles. One igniter plug 16 dual orifice fuel nozzles.

The ECB cuts off the supply to the starter HONEYWELL: 50%. 60%. 55%.

The 3 Way Solenoid Valve is controlled by: Muscle pressure. FCU. ECB.

Which component regulates the airflow to the pneumatic system?. IGV and load control valve. Surge control valve. APU check valve.

Which components have a visual position indicator?. Cooling bypass valve. APU LP fuel valve. Load control valve and surge control valve.

What does the ECB simulate to cause an APU normal shutdown?. A fail condition for auto test. An over speed condition. An emergency condition.

Which component from the lubrication system is utilized to monitor if any of the gearbox internal components is suffering from excessive wear?. A sight glass. Magnetic chip detector. A brush wear indicator.

What is the meaning of the green AVAIL light in APU START p/b?. That APU bleed and APU generator can operate (95% rpm). That APU bleed and APU generator can operate (85% rpm). That APU bleed and APU generator can operate (75% rpm).

When does the START switch ON light extinguish?. When the APU reach 100% rpm the ON light on the START switch go off. When the APU reach 95% rpm the ON light on the START switch go off. When the APU reach 75% rpm the ON light on the START switch go off.

When would the APU MASTER SW p/b FAULT light illuminate?. When an automatic shutdown occurs or if there is an abnormal shutdown. When an automatic shutdown occurs or if there is an emergency shutdown. When an normal shutdown occurs or if there is an emergency shutdown.

Fuel press muscle is used to: Stop the surge control valve actuator and the Load compressor IGV actuator. Operates the surge control valve actuator and the Load compressor IGV actuator. Operates OCOC and FCOC.

The Electronic Control box in the fuel system acts on: (APIC). The fuel metering valve and the pressure regulator. The fuel servo valve and the 3 Way solenoid valve. The fuel metering valve, the flow divider solenoid valve and fuel shutoff 3 way solenoid valve.

When the secondary fuel orifice will be supplied? (HONEYWELL). when the fuel pressure is more than 125 psig the check valve in the flow divider assembly. when the fuel pressure is more than 25 psig the check valve in the flow divider assembly. when the fuel pressure is more than 225 psig the check valve in the flow divider assembly.

The FUEL LOW PRessure message is displayed on the APU ECAM page if: the fuel pressure is lower than 35.8 psi (1.01 bar). the fuel pressure is lower than 15.8 psi (1.01 bar). the fuel pressure is lower than 25.8 psi (1.01 bar).

Diffuser case and combustor seals includes: A double seal including a brush and knife edge seals is bolted onto the front inner diameter of the case. A single seal including a brush and knife edge seals is bolted onto the front inner diameter of the case. A double seal including a brush and knife edge seals is bolted onto the front outer diameter of the case.

The LPC (fan) module includes: Twenty three blades and a disc. Twenty one blades and a disc. Twenty two blades and a disk.

In case of a failure of the FUEL CLOG warning on ECAM, the aircraft may be dispatched per MEL, describe procedure: As long as the fuel filter is changed once each day until the failure message disappears. As long as the fuel filter is changed once each day until the failure message can be repaired. As long as the fuel filter is changed once each week until the failure message can be repaired.

The engine and pylon drain system is designed to: To collect fuel, oil, debris and hydraulic fluids from engine system and accessories to discharged them overboard through engine drain mast and pylon drain tubes. To collect fuel, oil, air and hydraulic fluids from engine system and accessories to discharged them overboard through engine drain mast and pylon drain tubes. To collect fuel, oil, water and hydraulic fluids from engine system and accessories to discharged them overboard through engine drain mast and pylon drain tubes.

Explain differences between SURGE & STALL: Stall is a local effect where the airflow is compressed and Surge is when the airflow tries to expand in one direction. Stall is a local effect where the airflow is not compressed and Surge is when the airflow tries to expand in counter direction. Surge is a local effect where the airflow is not compressed and stall is when the airflow tries to expand in counter direction.

The thrust reverser assembly has: Two hydraulic control unit. Two hydraulic actuated translating sleeves. Two hydraulic actuators.

What bearings support the HP rotor?. Bearing number 1 and 2. Bearing number 4 and 3. Bearing number 5.

The LPC intermediate case module includes: A four stage axial flow booster section, a fan case section, an internal gearbox and dry section. A four stage radial flow booster section, a fan case section and an internal gearbox and dry section. A two stage axial flow booster section, a fan case section and an internal gearbox and dry section.

The thrust reverser "C" ducts are in: Two halves installed with cascades, blocker doors and translating sleeves. One halve installed with cascades, blocker doors and translating sleeves. Two halves installed with cascades, actuators, blocker doors and translating sleeves.

What bearings support the LP rotor?. Bearings 1 and 2. Bearings 4 and 5. Bearing 1.

What directly provides the closure of the PR Shut-Off Valve?. When the MASTER SW is sent from OFF to ON an electrical signal is sent directly to the PRSOV torque motor to close it. When the MASTER SW is sent from ON to OFF an electrical signal is sent directly to the PRV torque motor to close it. When the MASTER SW is sent from ON to OFF an electrical signal is sent directly to the PRSOV torque motor to close it.

Which valve ensures the adequate fuel flow?. Fuel Metering valve ensures the positive flow of fuel to the nozzles. Fuel Metering valve ensures the positive flow to FMU. Fuel Metering valve ensures the negative flow of fuel to the nozzles.

What controls the adequate cooling of the engine and IDG oils?. Fuel metering valve. Fuel return shut off valve. Fuel diverter and return valve.

What does the ACOC modulating valve regulate?. Regulates a bleed part of fan airflow crossing the FCOC to mantein temperatures within limits. Regulates a bleed part of fan airflow crossing the ACOC to mantein temperatures within limits. Regulates a bleed part of fan HP turbine crossing the ACOC to mantein temperatures within limits.

What does the Heat Management System heat and cool?. Water, engine oil, and IDG oil. Fuel, engine oil, and IDG oil. Fuel, engine oil, and APU oil.

The EEC controls the HMS with?. The fuel diverter return to ENG valves and the ACOC modulating valve. The fuel diverter return to tank valves and the ACOC modulating valve. The fuel diverter return to tank valves and the ACOC surge valve.

What are the 4 modes of HMS?. Modes 1 and 4 are return to tank modes and modes 2 and 3 are no return to tank modes. Modes 1 and 4 are return to tank modes and modes 3 and 5 are no return to tank modes. Modes 1 and 2 are return to tank modes and modes 3 and 4 are no return to tank modes.

What s the function of FDRV?. Mantain fuel, engine oil and IDG oil temperatures high by minimizing ACOC cooling air usage. Mantain fuel, engine oil temperatures within limits by minimizing ACOC cooling air usage. Maintain fuel, engine oil and IDG oil temperatures within limits by minimizing ACOC cooling air usage.

In case of a single input loss, what is the consequence?. The channel in control uses the secondary inputs in case of loss of the primary inputs. The failure message invalid ENG data is displayed on ECAM ENG page. There is no channel changeover, the channel in control uses the inputs from the other channel through the cross channel data link.

In case of output loss, what is the consequence?. In case of a single output loss there is an automatic switchover to the stand by active channel. In case of a single output loss the EIU takes over the EEC for supply the outputs signals. In case of a single output loss there is an manual switchover to the stand by active channel.

What is FAIL SAFE Control?. If a channel is faulty and the channel in control is unable to ensure one engine function this control is lost. If a channel is faulty and the channel in control is unable to ensure one engine function this control is moved to a fail condition. If a channel is faulty and the channel in control is unable to ensure one engine function this control is moved to a fail safe condition.

What types of signals does the EEC send or receive?. Dual inputs, hardware inputs and dual outputs. Dual inputs, hardware inputs and digital outputs. Discrete inputs, hardware inputs and dual outputs.

Where is the TRA directly sent to?. To the EEC. To the FADEC. To the EIU.

What happens in case of failure of the EIU. In case of failure of EIU the power supply for FADEC and ignition is preserved if the ENG is already ON (fail safe position). ENG starting is not possible, the EIU provides all starting signals to the EEC and to the ENG start panel FAULT light. In case of failure of EIU the power supply for FADEC and ignition is preserved if the ENG is already OFF (fail safe position). ENG starting is not possible, the EIU provides all starting signals to the EEC and to the ENG start panel FAULT light. In case of failure of EIU the power supply for FADEC and ignition is preserved if the ENG is already ON (fail safe position). ENG starting is not possible, the FADEC provides all starting signals to the EIU and to the ENG start panel FAULT ligh.

For the autothrust function, the EIU interfaces directly with: The EEC. The FMGC. The FADEC.

The APU shuts down almost immediately after coming up to speed and the shutdown is accompanied by a FAULT light in the Master switch P/B, an ECAM, and a single chime. What are possible causes for such shutdown?. APU ran out of fuel during ground or flight operation. overspeed, ECB failure, underspeed, overtemperature, loss of speed, sensor failure, no flame, flap not open, High Oil Temperature, no speed, inlet overheat, no acceleration, clogged oil filter, main power stop. The APU gen is overheat or over voltage due to overspeed and send an automatic shutdown on ground for self protection.

Can the APU be started and operated even if LOW OIL LEVEL ECAM advisory is displayed?. Honeywell APU allow 60 hours of operation and APIC APU allow 10 hours of operation. Honeywell APU allow 10 hours of operation and APIC APU allow 30 hours of operation. Honeywell APU allow 10 hours of operation and APIC APU allow 60 hours of operation.

Which component from the engine fuel system regulates the flow of fuel to the engine (according to an electrical signal coming from the EEC) to the nozzles, to satisfy aircraft thrust requirements. The Pressure Raising & Shutoff Valve. The Fuel Diverter & Return to Tank Valve. The Fuel Metering Valve.

What is used to operate the handling bleed valves?. The Electrical actuator controlled by EEC. The high pressure fuel from FMU. The Servo air from HP.

When the throttle lever is between two detent points what position corresponds to the thrust limit?. The throttle lever can not be between two positions on thrust limit. The upper detent will determine the thrust limit mode. The lower detent will determine the thrust limit mode.

With the auto thrust function active and the throttle lever between two detent points, what limits the upper EPR command?. TRA. The throttle lever on auto thrust position. The throttle lever position.

What does the FMGC compute? (EPR). Computes an EPR commands. Computes an EPR limiter. Computes an EPR target.

How is the PRSOV closure command sent?. Directly from the master switch. Directly from the EEC. Directly from the master lever.

Which condition is required to open the PRSOV?. Will only open if fuel pressure from the FMV is available. Will only open if fuel pressure from the FMU is available. Will only open if fuel pressure from the fuel tank is available.

How is the engine LP fuel shut-off valve actuated. By three electrical motors. By one electrical motors. By two electrical motors.

How is the directional valve controlled?. Through the isolating relay. Through the inhibition relay. Through the solenoids of HCU.

What is the logic of the reverse operation?. The TRS is of the aerodynamic blockage type, it consists of two translating sleeves, blocker doors and cascade vanes to redirect fan discharge airflow. The TRS is of the aerodynamic blockage type, it consists of two translating sleeves, blocker doors and cascade vanes to redirect HPT discharge airflow. The TRS is of the aerodynamic blockage type, it consists of two translating sleeves, blocker doors and cascade vanes to redirect fan LPC discharge airflow.

Reverser system actuation is provided by two solenoid valves which are energized by the: EIU. EEC. EVMU.

How is the thrust reverser movement sensed?. By release sensors and Linear Variable Differential Transducers. By lock sensors and Linear Variable Differential Transducers. By proximity sensors and Linear Variable Differential Transducers.

What happens if the oil scavenge filter is clogged?. A differential pressure switch sends a signal to the EEC and eventually the bypass valve will open. A differential pressure switch sends a signal to the ECAM and eventually the bypass valve will open. A differential pressure switch sends a signal to the ECAM and eventually the bypass valve will close.

What are the conditions in which Engine Bleed Valve close automatically?. Overpressure downstream of the PRV when the pressure-regulate transducer senses a pressure greater than 47 psi, leak detection in pylon/wing/fuselage ducts and surrounding areas, APU bleed valve not closed, corresponding starter valve not closed. Overpressure downstream of the PRV when the pressure-regulate transducer senses a pressure greater than 57 psi, leak detection in pylon/wing/fuselage ducts and surrounding areas, APU bleed valve not closed, corresponding starter valve not opened. Overpressure downstream of the PRV when the pressure-regulate transducer senses a pressure greater than 57 psi, leak detection in pylon/wing/fuselage ducts and surrounding areas, APU bleed valve not closed, corresponding starter valve not closed.

During Climb or Cruise, is air bled from IP or HP stages of the Engine?. HP. IP. HP Y IP.

What is the normal Bleed pressure maintained by Engine Bleed Valve?. 44 psi. 34 psi. 54 psi.