AVIOAVM2

How does the microprocessor handle ULD detection?. By shutting down the PDU after 0.15 seconds. By adjusting for ambient lighting automatically. By sending error messages to the control system. By increasing the communication speed.

What action does the microprocessor take if communication with the control system is lost?. It shuts down the PDU. It increases the reversal delay. It implements multiple error correction schemes. It automatically retransmits lost or garbled data packets.

What is the purpose of the screw thread at the top of the temperature sensor?. To measure temperature. To connect to the aircraft circuits. To permit installation in the related system duct. To change the internal potting.

How is the temperature measured by the assembly sensor of the temperature sensor?. By direct voltage measurement. By changes in resistance. By changes in current. By changes in capacitance.

What is the first step in the cleaning procedure for the temperature sensor?. Clean the temperature sensor with denaturized ethyl alcohol. Install the protective cap on the electrical receptacle connector. Dry the temperature sensor with a clean dry low-pressure air jet. Finish the cleaning with a brass brush.

What type of cloth should be used for cleaning the temperature sensor?. Lint-free cloth. Microfiber cloth. Paper towel. Cotton cloth.

What does the outer casing of the Mixed Flow Fan contain?. A control panel. A receptacle connector. An exhaust vent. A cooling system.

What type of motor is used in the motor assembly Mixed Flow Fan. Single-phase induction motor. Stepper motor. Three-phase squirrel cage type four-pole induction motor. Direct current motor.

How many helical type blades are in the fan wheel of Mixed Flow Fan. Eight. Ten. Twelve. Fourteen.

What is the function of the thermo switches in the motor assembly of Mixed Flow Fan?. Increase the motor speed. Adjust the airflow. Disconnect the power supply if the stator reaches +140°C (+284°F). Monitor the fan wheel rotation.

Where is the fan wheel mounted in the Mixed Flow Fan ?. At the end of the guide housing. At the end of the rotor shaft. inside the outer casing. On the bearing casing.

What does the bearing casing RH contain in the Mixed Flow Fan ?. A temperature sensor. A preloaded ball bearing. An inlet basket. A cooling fan.

What type of fittings are on the outlet diffuser of the Mixed Flow Fan. Threaded fittings. Quick-release fittings. Flanged fittings. Slip-on fittings.

Where is the identification plate located of the Mixed Flow Fan ?. On the inlet basket assembly. On the motor assembly. On the outer casing. On the outlet diffuser.

What information does the identification plate of the Mixed Flow Fan provide?. Motor speed. Wiring diagram. Modification status. Temperature rating.

What is indicated by the direction plates of the Mixed Flow Fan?. Motor voltage. Fan wheel rotation and airflow direction. Bearing type. Temperature limits.

In what mode can the Mixed Flow Fan operate continuously?. Manual mode. Maintenance mode. Continuous operation mode. Standby mode.

What is the function of the quick release clamps of the Mixed Flow Fan?. Secure the bearings. Mount the outer casing. Connect the electrical wiring. Adjust the fan speed.

What is the function of the screw ring in the bearing casing LH of the Mixed Flow Fan ?. Adjust the fan speed. Secure the bearing in place. Connect the motor assembly. Indicate the temperature.

What is the main function of the Extraction Fan?. Cooling the engine. Extracting air from the toilet and galley compartments. Filtering air in the cabin. Heating the passenger area.

What component in the Extraction Fan houses the receptacle connector and bonding clamp?. Fan wheel. Outer casing. Motor housing. Inlet basket assy.

Which component of the Extraction Fan is equipped with flanged fittings for air pipes?. Fan casing. Outlet diffuser. Inlet basket assy. Bearing cover.

What type of motor is used in the Extraction Fan?. Single-phase induction motor. Stepper motor. Three-phase squirrel cage type four pole induction motor. Direct current motor.

What component supports the ball bearings in the Extraction Fan motor assembly?. Rotor shaft assy. Stator. Bearing covers. Fan wheel.

How many helical type blades does the fan wheel of the Extraction Fan contain?. Eight. Ten. Twelve. Fourteen.

What component in the Extraction Fan is responsible for switching off the power supply at +160°C (+320°F)?. Rotor shaft. Bearing covers. Thermo switches. Fan wheel.

What secures the preloaded ball bearing in the bearing cover of the Extraction Fan?. Set screw. Spring washer. Locking pin. Snap ring.

What type of ball bearings are used in the Extraction Fan motor assembly?. Air-lubricated ball bearings. Oil-lubricated roller bearings. Grease packed ball bearings. Magnetic levitation bearings.

Which component of the Extraction Fan includes the wire winding and three thermo switches?. Rotor shaft assy. Stator in the motor housing. Fan wheel. Bearing coveR.

What component of the Extraction Fan indicates the direction of rotation and flow direction of the air?. Identification plate on the inlet basket. Outer casing. Bearing cover. Thermo switches.

In which component of the Extraction Fan are the helical type blades of the motor housing divided?. One stage. Two stages. Three stages. Four stages.

What component of the Extraction Fan is fitted for mounting quick release clamps?. Inlet basket assy. Outlet diffuser. Fan casing. Outer casing.

Which component of the Extraction Fan is used to evaluate aerodynamic performance?. Test stand. Bearing cover. Rotor shaft assy. Thermo switches.

Where is the fan wheel mounted in the Extraction Fan?. At the end of the motor casing. To the front end of rotor shaft assy. Inside the outer casing. On the bearing cover.

What is the primary function of the avionics fan EVT3454?. To generate electricity. To cool electric and electronic equipment. To provide lighting. To control airflow.

Which type of motor does the avionics fan EVT3454 use?. Single-phase. Three-phase. Direct current. Alternating current.

What is the purpose of the warning light on the equipped plate of the avionics fan EVT3454?. To indicate when the fan is running. To alert about temperature increase. To signal low battery. To detect humidity levels.

What components are included in the avionics fan EVT3454?. Electrical motor, impeller, straightener, intake, casing. Power supply, screws, casing, impeller. Circuit board, buttons, casing, intake. Electrical motor, impeller, straightener, intake, casing.

What role does the straightener play in the fan avionics fan EVT3454?. To rotate the impeller. To control temperatur. To ensure axial airflow. To generate electricity.

What is the function of the bellmouthed intake?. To amplify sound. To direct airflow. To provide structural support. To measure air pressure.

How does the thermal switch contribute to safety of the avionics fan EVT3454?. It controls the motor speed. It prevents overheating. It adjusts airflow direction. It measures air quality.

What action should be taken if the thermal switch activates of the avionics fan EVT3454?. Restart the fan immediately. Switch off the warning light. Switch on the push button before restarting. Increase the fan speed.

What direction does the airflow take when the fan is operational of the avionics fan EVT3454?. Radial. Axial. Random. Circumferential.

What is the primary power source for the avionics fan EVT3454?. Battery. Solar power. Three-phase electrical supply. Wind power.

What triggers the thermal switch to close of the avionics fan EVT3454?. Increase in voltage. Decrease in voltage. Increase in temperature. Decrease in temperature.

What is the consequence of the thermal switch closing of the avionics fan EVT3454?. The fan slows down. The fan stops working. The warning light turns off. The warning light turns on.

How does the fan respond to a closed thermal switch?. It continues running at the same speed. It increases speed to cool more rapidly. It slows down to reduce heat production. It stops automatically.

What is the significance of the bellmouthed intake in the avionics fan EVT3454?. It increases airflow efficiency. It reduces noise level. It provides structural reinforcement. It enhances aesthetic appeal.

What is the role of the electrical connector on the equipped plate?. To transmit data. To connect to a power source. To control fan speed. To trigger emergency shutdown.

What is the nominal voltage of the battery 40678-2?. 24 V. 28 V. 43 Ah. 20 V.