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Questions and Answers
What is the primary function of the densitometer in the fuel characteristic sensors?
How does the compensator differ from the densitometer?
Which statement is true regarding the configuration of the compensator and densitometer in Airbus aircraft?
What does the compensator's signal correct for?
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What type of sensor does the densitometer utilize to measure fuel density?
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Study Notes
Fuel Characteristics Sensors
- Each fuel tank has two sensors: a compensator and a densitometer.
- The densitometer measures fuel density, which is used to calculate fuel mass from the measured fuel level.
- The densitometer uses either a vibration sensor (frequency varies with fuel density) or an automatic hydrometer.
- The compensator is similar to a fuel quantity sensor but only measures dielectric constant changes, not fuel level.
- The compensator's signal corrects dielectric constant variations caused by temperature or different fuel types.
- On Airbus aircraft, the compensator and densitometer are combined into a single unit called a cadensicon.
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Description
This quiz covers the key characteristics and functions of fuel sensors in aircraft, focusing on the roles of the compensator and densitometer. Learn how these sensors measure fuel density and correct for variations in dielectric constants due to temperature and fuel types. Discover the integration of these sensors in Airbus aircraft as a single unit known as the cadensicon.