Thursday, December 15, 2011
The biggest drop in a coating’s solar reflectance occurs in what time period, according to a recent field performance study by the Reflective Roof Coatings Institute?
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Previous Quizzes from the Past Week
Wednesday, December 14, 2011
True or false: Citric acid can be used as an acid-etching agent for concrete.
Tuesday, December 13, 2011
Why is crystalline silica sand more likely to cause silicosis when used as an air abrasive blasting material than it is in its natural state, for instance, as beach or river sand?
Monday, December 12, 2011
What raw material supplier recently announced an agreement with a biotechnology firm to develop an industrial-scale process for producing acrylic acid from sugar?
Friday, December 9, 2011
True or false: Interior coatings for schools must be certified by an independent lab as meeting specified VOC and toxicity levels in order to comply with California's green building rating program for schools.
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