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← ScienceWhich outcome accompanies increased fuel flow in a Venturi carburetor?
A)Decreased throat static pressure✓
B)Increased air-fuel ratio
C)Elevated fuel density entering manifold
D)Reduced manifold vacuum pulsation
💡 Explanation
Increased fuel flow requires pressure drop in the carburetor throat, because the Bernoulli principle dictates that increased fluid velocity results in decreased static pressure in the constricted area; therefore, pressure decreases rather than increases and fuel mixes with air.
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