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Thursday, March 29, 2012

What effect does the high alkalinity of concrete have on corrosion of rebar within the concrete?

Accelerates corrosion
Passivates the steel rebar minimizing corrosion
No effect
Prevents penetrating sealers from blocking moisture thereby advancing corrosion

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Previous Quizzes from the Past Week

Wednesday, March 28, 2012
True or false: Epoxy novolacs achieve excellent chemical resistance through extremely high cross-link density.

Tuesday, March 27, 2012
What is the critical corrosion temperature range for carbon steel under insulation that a coating must withstand, according to NACE?

Monday, March 26, 2012
Among the following, which is least likely to be a goal of using DH for tank lining work?

Friday, March 23, 2012
True or false: For non-conductive coatings up to 20 mils thick applied to conductive substrates, a high-voltage holiday detector is normally used to detect pinholes and other discontinuities.

Thursday, March 22, 2012
What organization below is affiliated with the American Coatings Show?

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