Consider the Equation F = $\Delta$ P/R It Describes the Flow (F) of Fluid in a Flow

question 30

Multiple Choice

Consider the equation F = $\Delta$ P/R. It describes the flow (F) of fluid in a tube in which there is a pressure difference ( $\Delta$ P) between the two ends and a resistance (R) to flow. Based on this equation, which is a correct conclusion?

• A) The flow of fluid in a tube depends upon the absolute pressure at the beginning of the tube.
• B) The rate of fluid flow in a tube will increase if the pressure at the beginning is increased while the pressure at the end of the tube stays the same.
• C) The greater the resistance to flow in a tube, the greater the rate of flow for any given pressure difference.
• D) If both the resistance and the pressure gradient in a tube increase, the flow must also increase.
• E) The rate of flow in a tube will decrease if the resistance to flow is decreased.

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