SC Glass And Glazing Practice Questions - South Carolina Glass And Glazing Contractor Examination Exam

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Two annealed lites have the same area and thickness. Lite A is 48 in by 48 in. Lite B is 24 in by 96 in. Which statement about uniform wind-load resistance is most accurate?

Both lites have identical load resistance because area and thickness match Lite B (higher aspect ratio) typically has lower load resistance because the short span and long unsupported edges change the stress pattern Lite B is always twice as strong because one side is twice as long Aspect ratio is ignored by ASTM E1300

Correct Answer:

Lite B (higher aspect ratio) typically has lower load resistance because the short span and long unsupported edges change the stress pattern

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