SC Pre-Engineered Metal Buildings Practice Questions - South Carolina Pre-Engineered Metal Buildings Contractor Examination Exam

Adding water to a ready-mix truck at the jobsite after the design slump has already been reached typically:

Increases 28-day compressive strength Has no effect if the driver approves it Raises the water-cement ratio and reduces strength and durability Is required by ACI before every discharge

Correct Answer:

Raises the water-cement ratio and reduces strength and durability

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