Oil $\rho$ = 925 Kg/m³) Is Flowing Through a Pipeline at a Pipeline

question 43

Multiple Choice

Oil ( $\rho$ = 925 kg/m³) is flowing through a pipeline at a constant speed when it encounters a vertical bend in the pipe raising it 4.0 m. The cross sectional area of the pipe does not change. What is the difference in pressure (P_B - P_A) in the portions of the pipe before and after the rise?

• A)+2.4 × 10⁴ Pa
• B)-3.6 × 10⁴ Pa
• C)+5.1 × 10⁵ Pa
• D)-7.2 × 10⁵ Pa
• E)-1.8 × 10³ Pa

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Definitions:

Noon

The middle of the day, typically regarded as 12:00 PM, when the Sun is at its highest point in the sky.

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air and absorbed by plants in photosynthesis.

Photosynthesis

The process by which green plants and some other organisms use sunlight to synthesize foods with carbon dioxide and water.

Internal Concentration

The concentration of substances within a cell or organism in contrast to the external environment, crucial for maintaining homeostasis.