A basic law of finishing concrete is
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The most common size of a compressive strength cylinder is
The most common size of a compressive strength cylinder is
A Swiss hammer has an accuracy of between _________ and ____…
A Swiss hammer has an accuracy of between _________ and _______ percent, depending on how well it is calibrated.
A snap tie is made of a single piece of wire cut to length a…
A snap tie is made of a single piece of wire cut to length and headed at each end.
Concrete is properly vibrated when ________________ .
Concrete is properly vibrated when ________________ .
___________ should be placed in the corners of forms to prod…
___________ should be placed in the corners of forms to produce beveled edges on permanently exposed concrete surfaces (see the column in MDL 211)
Forms should be clean, tight and ________________
Forms should be clean, tight and ________________
When using a Swiss hammer, it is usual practice to take 10 r…
When using a Swiss hammer, it is usual practice to take 10 readings and then average them.
The most accurate method for testing the compressive strengt…
The most accurate method for testing the compressive strength of hardened concrete is _______.
A mutation causes a gene to become unable to assess the inte…
A mutation causes a gene to become unable to assess the integrity of the genome normally. Which term best describes this gene?