A Venturi Tube May Be Used as the Inlet to an Automobile

Multiple Choice

A Venturi tube may be used as the inlet to an automobile carburetor.If the inlet pipe of 2.00 cm diameter narrows to 1.00 cm diameter,what is the pressure drop in the constricted section for airflow of 2.16 m/s in the 2.00-cm section? (Assume air density is 1.25 kg/m³. )

A) 11.7 Pa
B) 43.7 Pa
C) 45.7 Pa
D) 20.3 Pa
E) 87.5 Pa