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Private Pilot Airplane practice question 18

With regard to carburetor ice, float-type carburetor systems in comparison to fuel injection systems are generally considered to be

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Correct answer: A. more susceptible to icing.

Float-type carburetors are more susceptible to icing than fuel-injection systems because fuel vaporization and the venturi pressure drop cool the air in the carburetor throat. Fuel-injection systems have no venturi in which this ice can form.

References

Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), ch. 7, Aircraft Systems · search it in our library

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Question 18 from the FAA document Private Pilot-Airplane (PAR) Sample Questions (U.S. Government work, public domain) · ACS/LSC code PA.IX.C.K1b. The FAA does not publish an answer key; the answer and explanation are ours, with references. Verify against the current regulations and handbooks.