Tag Archive: Exam reference books

North Carolina General Contractor Exam Update (Building Contractor)

As of June 2011, Design and Control of Concrete Mixtures 14th Edition is no longer on the PSI list of Reference Materials for the NC Building Contractor Exam. It has been replaced by the 15th Edition , known as Design and Control of Concrete Mitxures 2010, ISBN 0893122173. The bulk of the changes in the…