Fluid Mechanics Flashcard

Front

What is viscosity?

Back

The resistance of a fluid to flow.

Front

What describes laminar flow?

Back

Smooth and orderly flow.

Front

What happens to fluid velocity if the diameter of a pipe decreases and flow rate remains constant?

Back

The velocity increases.

Front

What is true about turbulent flow?

Back

The flow is chaotic and can mix easily.

Front

What is the effect of increasing temperature on the viscosity of a liquid?

Back

Decreases viscosity.

Front

What is fluid mechanics?

Back

The study of fluids (liquids and gases) and the forces acting on them.

Front

What is the difference between laminar and turbulent flow?

Back

Laminar flow is smooth and orderly, while turbulent flow is chaotic and irregular.

Front

What is the principle of continuity in fluid mechanics?

Back

In a closed system, the mass flow rate must remain constant.

Front

What is the Bernoulli's principle?

Back

An increase in the speed of a fluid occurs simultaneously with a decrease in pressure or potential energy.

Front

What is surface tension?

Back

The cohesive force at the surface of a liquid that makes it behave like a stretched elastic membrane.