Arizona ROC CR-65 Commercial Glazing Contractor Examination Practice Questions - Arizona ROC CR-65 Glazing (Residential Commercial) Examination Exam

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Annealed float glass can fracture when subjected to a sudden temperature differential across its surface of approximately 75°F (24°C). What temperature differential can fully tempered glass withstand without thermal shock failure?

100°F to 125°F 150°F to 200°F 400°F to 500°F 800°F to 1,000°F

Correct Answer:

400°F to 500°F

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