An Incompressible Fluid Is Flowing Through a Vertical Pipe with a Constriction

question 28

Multiple Choice

An incompressible fluid is flowing through a vertical pipe with a constriction. The wide section is 2.00 cm in diameter and is at the top of the pipe. The pressure of the fluid in the wide section at the top is 200 kPa. The velocity of the fluid in the wide section is 4.00 m/s. The narrow section is 1.00 cm in diameter and is located 2.00 m below the wide section. What is the pressure of the fluid in the narrow section? (density of the fluid is 1,000 kg/m³)

• A) 72.0 kPa
• B) 80.0 kPa
• C) 99.6 kPa
• D) 105 kPa
• E) 116 kPa

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Definitions:

Glabrous Elytra

Refers to beetle wings (elytra) that are smooth and lack hair or any kind of surface structure.

Balancing Selection

Describes the type of selection that favors more than one allele. This process acts to maintain genetic diversity in a population by keeping alleles at frequencies higher than would be expected by chance or mutation alone.

Frequency-Dependent Selection

A selection process where the fitness of a phenotype depends on its frequency relative to other phenotypes in a given population.

Inbreeding

The breeding of closely related individuals, increasing the chance of offspring inheriting genetic recessive traits.