10 Questions
What should be used to tap molds that are prone to denting or permanent distortion?
An open hand
What is the maximum size of depressions or projections allowed on the finished surface?
3.3 mm
How should the top surfaces of cylinders be finished?
By striking them off with a tamping rod or handheld float or trowel
What is the purpose of capping the top surface of freshly made cylinders?
To permit hardening and curing with the specimen
How should beams be finished after consolidation of the concrete?
By using a handheld float or trowel
Why should the specimens be marked to identify them?
To identify the concrete they represent
What should be avoided when marking the specimens?
Using a method that alters the top surface
What is the purpose of section 9.6 of the standard?
To explain the identification method
What type of material is permitted to be used to cap the top surface of freshly made cylinders?
Stiff portland cement paste
What is the primary goal of the finishing process?
To produce a flat, even surface
This quiz assesses your knowledge of the procedures for creating a satisfactory temperature environment during the initial curing of concrete specimens. Learn about the various methods to control temperature, including ventilation, cooling, and heating devices. Understand the importance of meeting temperature requirements for early-age strength testing.
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