CWB 2 Module 17 Questions and Answers
CWB 2 Module 17 Questions and Answers The property of liquids that makes them try to reduce their surface area is known as: A) Capillary action B) Surface tension C) Viscosity -️️ B) Surface tension True or False? "The ability of a liquid to wet a solid surface can be measured in terms of the contact angle." -️️ True The phenomenon by which water rises up a narrow tube or by which liquid can penetrate a crack is known as: A) Capillary action B) Surface tension C) Viscosity -️️ A) Capillary action How must a fluorescent dye be viewed? -️️ Under a UV (black) light or a mercury vapor light Which of the following penetrants require treatment with a separate agent before the excess can be removed? A) Post-emulsifiable
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cwb 2 module 17 questions and answers
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