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3 cards from this section. Quick, good the night before a test.
What should you add to the concrete mix in hot weather?
Think about how heat affects liquids.
What risks does freezing pose to concrete?
Consider what happens to water when it freezes.
What effect does hot weather have on concrete curing?
Think about how heat affects drying.
True or False: Accelerators are used to delay the setting time of concrete.
Consider what you are trying to accomplish with an accelerator.
How would you design a strategy for pouring concrete in an environment where temperatures frequently fluctuate between hot and cold?
Think about having both sunscreen for sun and warm clothing.
Consider a construction site that faces unexpected hot weather during curing. Propose a set of adjustments to ensure quality concrete.
What steps do you take to stay comfortable in unexpected heat?
4 more questions in this section. Enroll free to practise them all.
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