NM CID GS-16 Practice Questions - New Mexico CID GS-16 Masonry Examination Exam

ASTM C270 and TMS 602 require unused mortar to be discarded if it has begun to stiffen or if it is not used within:

30 minutes after initial mixing 1 hour after initial mixing 2-1/2 hours after initial mixing 8 hours after initial mixing

2-1/2 hours after initial mixing

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