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Check your knowledge! Take our fun quiz for the Flow Section of the Tennis Chapter of our textbook! Follow the instructions and then click on the "Check it!" button for each question.

Intermediate Activities: Laminar, Turbulence, Transition and Flow Separation

1.	For lower velocities, fluid flowing over a smooth surface that is relatively short and flat will only develop a very thin boundary layer. This condition is called ________ boundary layer. (Check the correct answer.)
	turbulent laminar

2.	It is rare to be able to maintain a ________ boundary layer for very long. (Check the correct answer.)
	turbulent laminar

3.	When you have layers that start to mix and swirl, it is called a _________ boundary layer. (Check the correct answer.)
	turbulent laminar

4.	If the swirling is regular and repeatable, it is called a vortex or an eddy. (Check the correct answer.)
	True False

5.	Most of the boundary layers over an airplane will tend to be __________. (Check the correct answer.)
	laminar turbulent

6.	The region in the boundary layer where the orderly laminar layers start to mix together, but before they really start swirling, is called the _________ region. (Check the correct answer.)
	flow turbulent transition

7.	When a turbulent boundary really starts to swirl, the boundary layer thickness starts to grow even faster. Eventually, the flow is so mixed, it starts to flow back towards the front of the surface! This is called _________ separation. (Check the correct answer.)
	flow turbulent transition

8.	If the region of flow separation extends past the surface, this region is called a _________. (Check the correct answer.)
	vortex stall wake

9.	The front of the bubble, where the outside fluid turns sharply away from the surface, is called the point of separation. (Check the correct answer.)
	True False

10.	The back of the bubble, where the outside fluid turns back to follow the surface again, is called the point reattachment. (Check the correct answer.)
	True False

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