Temperature Sensor Installation Types
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Questions and Answers

What is the primary function of duct temperature sensors?

  • To measure the temperature of the cabin air
  • To detect leaks in the air ducts
  • To directly measure the temperature of the airflow (correct)
  • To regulate the airflow within the cabin
  • What typically happens when a duct temperature sensor fails?

  • The zone controller continues normal operation
  • The corresponding trim air valve closes (correct)
  • The cabin temperature adjusts automatically
  • The corresponding trim air valve remains open
  • Where are zone temperature sensors commonly installed?

  • Along the air duct pathways
  • In the engine compartment
  • In the control panel of the aircraft
  • In the cabin ceiling area (correct)
  • What type of sensor is used for both duct and zone temperature measurements?

    <p>Thermistor</p> Signup and view all the answers

    How can some aircraft prevent issues with duct sensor failures?

    <p>By having two sensors in one housing</p> Signup and view all the answers

    What is the main purpose of zone temperature sensors in aircraft?

    <p>To monitor the temperature of the cabin area</p> Signup and view all the answers

    How do duct temperature sensors communicate temperature readings?

    <p>They send a signal to the zone controller</p> Signup and view all the answers

    What happens when a duct temperature sensor detects an airflow failure?

    <p>The zone controller closes the corresponding trim air valve</p> Signup and view all the answers

    Where are the duct temperature sensors located in the aircraft?

    <p>Within the ducts of the aircraft</p> Signup and view all the answers

    What is a common feature of some aircraft to address duct sensor failures?

    <p>Two sensors housed in one unit</p> Signup and view all the answers

    Study Notes

    Temperature Sensor Installation Types

    • Two types of temperature sensors are used: duct and zone sensors.
    • Duct sensors measure airflow temperature directly.
    • Duct sensors send data to the zone controller.
    • If a duct sensor fails, the zone controller closes the corresponding trim air valve.
    • To prevent this, some aircraft have two sensors in one housing.
    • Zone sensors are installed in the cabin ceiling.
    • Each zone has at least one zone sensor.

    Temperature Sensors

    • Aircraft use two main types of temperature sensors: duct and zone.
    • All sensors are thermistor-type.
    • Duct sensors measure airflow temperature directly.
    • Duct sensors send signals to the zone controller.
    • If a duct sensor fails, the zone controller usually closes the corresponding trim air valve.
    • Some aircraft have dual sensors in one housing to prevent valve closure in case of a single sensor failure.
    • Zone temperature sensors are installed in the cabin ceiling area.
    • Each zone has at least one zone sensor.

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    Description

    This quiz covers the two main types of temperature sensors used in installations: duct and zone sensors. It discusses their functions, data transmission, and redundancy measures to enhance reliability. Test your understanding of these critical components in temperature sensing systems!

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