A Fluid Is Flowing Through a Tube with a Diameter

question 1

Multiple Choice

A fluid is flowing through a tube with a diameter of 4 mm, a length of 40 cm, at a speed of 0.7 m/s. The pressure drop is 950 Pa. What is the viscosity of the fluid?

• A)68 Ns/m²
• B)1.7 × 10^-3 N s/m²
• C)6.7 × 10^-3 N s/m²
• D)6.7 × 10^-5 N s/m²

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