CE 442 Exam with Questions and Answers
CE 442 Exam with Questions and Answers Lightweight Concrete ANSWER 90-120 lb/ft3 Normalweight Concrete ANSWER 140-150 lb/ft3 Heavyweight Concrete ANSWER 180-380 lb/ft3 Testing Plastic Concrete ANSWER slump, air content, concrete temp, compression test SG of Cement ANSWER 3.15 Testing Cement ANSWER chemical analysis, autoclave expansion, sulphate resistance, aircontent of mortar Unit weight of water ANSWER 8.33 lb/gal 62.4 lb/ft3 conversion for ft to cy ANSWER 27 ft/cy criteria 1 for fcr ANSWER no more than 10% strength tests criteria 2 for fcr ANSWER average strength should not exceed 2.33 standard deviations below the mean criteria 3 for fcr ANSWER no strength test falls below f'c by more than 500 psi
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- CE 442
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- CE 442
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- October 24, 2024
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- 2024/2025
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- Questions & answers
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ce 442 exam with questions and answers
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