2.13 Carburetor Icing

Question 1

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

Answer 1

more susceptible to icing

Question 2

which condition is most favorable to the development of carburetor icing

Answer 2

temperature between 20° F and 70° F and high humidity

Question 3

the possibility of carburetor ice exists even when the ambient air temperature is as

Answer 3

High at 70° F and the relative humidity is high

Question 4

if an aircraft is equipped with a fixed pitch propeller and a float type carburetor, the first indication of carburetor ice would most likely be

Answer 4

decrease/loss of RPM

Question 5

the operating principle of float type carburetors is based on

Answer 5

difference in air pressure at the venturi throat and the air inlet

Question 6

the presence of carburetor ice in an aircraft equipped with fixed pitch propeller can be verified by applying carburetor heat and noting

Answer 6

a decrease in RPM and then a gradual increase in RPM