3501r2 - CGN 3501 REVIEW QUESTIONS FOR TEST NO. 1 SET NO. 2...

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3 CGN 3501 REVIEW QUESTIONS FOR TEST NO. 1 – SET NO. 2 Fall 2010 Portland Cement 1. Who invented Portland cement and when? (Joseph Aspdin, an English brick mason, obtained a patent for Portland cement in 1824.) 2. Why is it called Portland cement? 3. What is the difference between a hydraulic and a non-hydraulic cement? Is Portland cement a hydraulic cement? 4. What is the maximum size of Portland cement particles? 5. What is the typical specific gravity of Portland cement? 6. What is weight of a commercial sack of Portland cement? What does a six-bag mix mean? 7. What are the four main oxides Portland cement contain and the abbreviations used for these four oxides in cement chemistry? 8. The oxides in Portland cement appear in compound forms. What are the four main chemical compounds that exist in Portland cement? What are the characteristics and functions of these four main compounds in Portland cement? 9.
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3501r2 - CGN 3501 REVIEW QUESTIONS FOR TEST NO. 1 SET NO. 2...

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