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ASTM Method C31 gives standardized requirements for ______, _____, _____, and _____, of test specimens
making, curing, protecting, transporting
For cylinders with a diameter of 6 inches [150mm] or greater, the tamping rod must be a round, straight steel rod with a diameter of ______.
5/8''
The minimum frequency of an interval vibrator used in this procedure is
9000
The container for obtaining the concrete sample used in this procedure can be a _____, _____, or _____.
Metal pan, wheel barrow, flat clean mixing board
A 6 by 12 in. [150mm by 300mm] cylinder mold can be used for concrete containing aggregate with particles not exceeding _____ in size, without the need for wet sieving the concrete
1 1/2''
The sample of concrete used in molding test specimens must be obtained in accordance with what ASTM Standard?
ASTM C-172
When strength specimens are to be made, what three other tests must be made?
Air, Temperature, and Slump
After molding the test specimens you should wait two hours before moving them to the location of initial storage. T or F
False
The supporting surface on which specimens are stored shall be level within
1/4'' per FT
For concrete with a slump less than 1 inch the test specimens must be consolidated by
vibration
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