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

question 25

Multiple Choice

A venturi tube may be used as the inlet to an automobile carburetor. If the 2.0-cm diameter pipe narrows to a 1.0-cm diameter, what is the pressure drop in the constricted section for an airflow of 3.0 m/s in the 2.0-cm section? (ρ = 1.2 kg/m³.)

• A) 70 Pa
• B) 85 Pa
• C) 100 Pa
• D) 120 Pa
• E) 81 Pa

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Definitions:

Mental Age

A measure of an individual's cognitive ability compared to the average cognitive ability of a person of the same chronological age, often used in intellectual assessment.

Intelligence Quotient

A measure of an individual's cognitive abilities in comparison to the population, usually determined by an IQ test.

Chronological Age

The actual age of an individual measured in years from their date of birth to the current date.

Flynn Effect

The rise in average IQ scores that has occurred over the decades in many nations.