Fuel Induction Systems and Carburetor Ice.

This set is how the fuel is injected into the engine. Also details how ice can affect the engine.

10 cards | Total Attempts: 193 | Created by mfrank | Last updated: Sep 22, 2015 | Total Attempts: 193

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The Operating Principle Of Float-type Carburetors Is Based On The...

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Front	Back
The operating principle of float-type carburetors is based on the...	Difference in air pressure at the venturi throat and the air inlet.
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.
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.
What condition is most favorable to the development of the carburetor icing?	Temperatrue between 20 and 70 degrees F and high humidity
The possibility of carburetor icing exists even when the ambient air temperature is as...	High as 70 degrees F and the relative humidity is high.
Carburetor icing can occur with an OAT as high as...	20 degrees C and high relative humidity.
Applying carburetor heat will...	Enrich the fuel/air mixture.
What change occurs in the fuel/air mixture when the carburetor heat is applied?	The fuel/air mixture becomes richer.
Generally speaking, the use of carburetor heat tends to...	Decrease engine performance.
With regard to carburetor ice, float type carburetor systems in comparison to fuel injection systems are generally considered to be...	More susceptible to icing.