Practice Dynamic and Kinematic Viscosity - 1.9 | 1. Basics of Fluid Mechanics – I | Hydraulic Engineering - Vol 1
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define dynamic viscosity.

💡 Hint: Think about how fluids react under stress.

Question 2

Easy

What units are used to express kinematic viscosity?

💡 Hint: Consider how we relate dynamic viscosity and density.

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Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is dynamic viscosity?

  • Resistance to flow
  • Density of fluid
  • Rate of flow

💡 Hint: Think about how a thick syrup flows compared to water.

Question 2

True or False: Kinematic viscosity is defined as the ratio of dynamic viscosity to fluid density.

  • True
  • False

💡 Hint: Recall the relationship between these two viscosities.

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Challenge Problems

Push your limits with challenges.

Question 1

You have a fluid flowing over a surface with an observed dynamic viscosity of 1.5 Pa.s and a flow velocity of 3 m/s. If the fluid has a density of 950 kg/m³, calculate the shear stress present.

💡 Hint: Think about how shear stress is derived from viscosity and flow velocity.

Question 2

A thin layer of oil overlays water. The oil has a viscosity of 8.0 poise at 25°C. If the water is moving beneath it at 1 m/s, calculate the kinematic viscosity of the oil in m²/s.

💡 Hint: Always convert units to standard SI before calculations.

Challenge and get performance evaluation