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3 cards from this section. Quick, good the night before a test.
What is a free fall mixer?
Think about how things fall due to gravity.
Name one type of power mixer.
Consider the shapes they might resemble.
Which type of mixer uses gravity for operation?
Think about how gravity affects mixing.
True or False: Mixing for too long can lead to an undesired effect on concrete.
What happens if you keep mixing beyond the recommended time?
A contractor uses a free fall mixer to mix 10 cubic meters of concrete but notices that 30% sticks to the sides of the drum. How can they prevent this in future batches?
Think about the features that mitigate sticking.
A power mixer has a nominal capacity of 15m3 but operates at 80% efficiency. Calculate the actual concrete production per hour if the cycle time is 4 minutes.
Focus on workload capacity and operational efficiency.
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