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Understanding Aircraft Fuel Systems and Carburetor Icing

Understanding Aircraft Fuel Systems And Carburetor Icing

Explore the mechanics of fuel injection in aircraft engines and understand the risks and impact of carburetor ice. This content is crucial for enhancing safety and efficiency in engine performance, tailored for aviation...

Questions: 10 | Attempts: 10 | Last updated: Aug 4, 2025

Sample Question 1
What operating principle are float-type carburetors based on?

Difference in air pressure at the venturi throat and the air inlet.

Temperature gradient within the carburetor.

Amount of fuel in the float chamber.

Speed of the engine's rotation.

Sample Question 2
The basic purpose of adjusting the fuel/air mixture at altitude is to...

Decrease the fuel flow in order to compensate for decreased air density.

Increase the fuel flow to account for increased air density.

Keep the fuel flow constant regardless of altitude.

Adjust the air intake only, without changing the fuel flow.

Sample Question 3
While cruising at 9,500 feet MSL, the fuel/air mixture is properly adjusted. What will occur if a descent to 4,500 feet MSL is made without readjusting the mixture?

The fuel/air mixture may become excessively lean.

The fuel/air mixture may become excessively rich.

There will be no change in the fuel/air mixture.

The engine will stop running.