Podcast
Questions and Answers
What is the primary function of duct temperature sensors?
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?
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?
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?
What type of sensor is used for both duct and zone temperature measurements?
How can some aircraft prevent issues with duct sensor failures?
How can some aircraft prevent issues with duct sensor failures?
What is the main purpose of zone temperature sensors in aircraft?
What is the main purpose of zone temperature sensors in aircraft?
How do duct temperature sensors communicate temperature readings?
How do duct temperature sensors communicate temperature readings?
What happens when a duct temperature sensor detects an airflow failure?
What happens when a duct temperature sensor detects an airflow failure?
Where are the duct temperature sensors located in the aircraft?
Where are the duct temperature sensors located in the aircraft?
What is a common feature of some aircraft to address duct sensor failures?
What is a common feature of some aircraft to address duct sensor failures?
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!
