Tuesday, November 29, 2011
True or false: Use of crystalline silica sand has now been banned from use as a blasting abrasive in the United States.
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Previous Quizzes from the Past Week
Monday, November 28, 2011
What is the main purpose of lithium silicate in the diamond polishing of concrete?
Wednesday, November 23, 2011
High pressure, supplied-air respirators used for abrasive blasting normally have an Assigned Protection Factor of 25. What does this NIOSH rating mean?
Tuesday, November 22, 2011
What ASTM Committee deals with nuclear coatings?
Monday, November 21, 2011
What infestation has recently caused the fouling of intake structures at hydroelectric facilities in the Southwest?
Friday, November 18, 2011
What are you seeing on this steel surface magnified 100 times?
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