Examen 3

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

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 NORM position (center pedestal). Set the ENG MASTER LEVER in the ON position (center pedestal). Set the rotary switch in the IGN/START position (center pedestal).

(In flight) To extinguish the engine fire the following actions have to be done: 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. Wait for 30 seconds: this is required to reduce engine wind a 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.

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

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

The Electronic Control Box has: Full authority over APU operation. Only APU monitoring function. Restricted authority over APU operation.

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

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

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

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

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

The avionics compartment smoke detection is monitored by?. CIDS-SDF. ACSC. AEVC.

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

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.

What air is used in the turbines Active Clearance Control ACC.?. 12th compressor stage air. Engine core air. Fan air. 7th and 10th compressor stage air.

(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.

The air conditioning system main function is: To keep the air in the pressurized fuselage compartments at the correct pressure and temperature. To keep the air in the unpressurized fuselage compartments at the correct pressure and temperature. To keep the air in the pressurized fuselage compartments at the correct pressure and skin temperature.

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

During manual or automatic engine start sequence, which action initially energizes the EEC to begin the start procedure?. Set the ENG MAN START PB in ON position (overhead). Set the ENG MASTER LEVER in ON position (center pedestal). Set the rotary switch in NORM position (center pedestal). Set the rotary switch in IGN/START position (center pedestal).

What indicates an amber fault light on the CABIN PRESSURE PANEL MOD SEL pushbutton?. CPC 1&CPC 2 failure, manual mode must be selected anda the safety valves will be open or closed using the MAN V/S CTL TOGGLE SW. CPC 1&CPC 2 failure, auto mode must be selected and the outflow valve will be open or closed using the LDG ELEV SELECTOR. CPC 1&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.

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

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

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

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

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

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

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

How is ensured the load compressor surge protection? (Honeywell). By a surge control valve, which discharges the excess of air ina the exhaust. The surge control valve is pneumatically 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 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.

From where can an APU emergency shutdown be performed?. Refuel/defuel panel, external control panel and cockpit. The APU cannot be shut down from outside the aircraft. APU Fire panel, external power control panel.

What is the purpose of the deoiler in the engine lubrication system?. a. 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 oil to the tank and discharging the air in the gearbox. 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).

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

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

Which component provides outside fresh air for ventilation in emergency conditions or smoke removal?. EMERGENCY RAM AIR INLET The A/C must descend to more than 10000 ft. EMERGENCY RAM AIR INLET The A/C must descend to less than 10000 ft. EMERGENCY RAM AIR INLET The A/C must descend to less than 10000 km.

Each lavatory waste bin is protected by: This has no fire protection. An automatic fire extinguishing system. A manual fire extinguishing system.

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

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 Overspeed Valve. The Pressure Raising & Shutoff Valve. The Fuel Metering Valve. The Fuel Diverter & Return to Tank Valve.

(During AUTO START) When the MASTER switch is set to ON, the starter air valve will open, the engine will dry crank for: 10 seconds. 50 seconds. The engine will not perform a dry crank. 30 seconds.

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

Normal APU shutdown is performed from? (Maintenance personal in aircraft). APU control panel. Fire panel. External power control panel.

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).

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

The cabin altitude is limited to: 8000ft. 8000kt. 8000m.

When is the APU 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.

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 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 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 lavatory smoke detection system is monitored by: CIDS-AEVC. CIDS-SDU. CIDS-SDF.

During the engine manual start sequence, which action opens the starter valve allowing the pneumatic starter to rotate N2 through the gearbox?. Set the rotary switch in IGN/START position (center pedestal). Set the rotary switch in NORM position (center pedestal). Set the ENG MASTER LEVER in ON position (center pedestal). Set the ENG MAN START PB in ON position (overhead).

The engine starting is not possible in case of: The EIU failure. The DMC failure. The SEC failure. The ECAM failure.

Which component energizes the ignition units through the relay box to provide the spark during engine start?. All of the above. The dedicated alternator located in the accessory gearbox. The EIU 115 VAC from the Aircraft electrical network. The EIU 28 VDC from the Aircraft electrical network.

How is monitored the temperature in the pre-cooler?. Downstream for a sensor connected to both BMCs,and when increase to 240 °C a class 2 message AIRBLEED on the STS page shown. Upstream for a sensor connected to both BMCs,and when increase to 240 °C a class 2 message AIRBLEED on the STS page is shown. Downstream for a sensor connected to both BMCs,and when increase to 200 °C a class 2 message AIRBLEED on the STS page is shown.

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 shut-off 3 way solenoid valve.