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3 cards from this section. Quick, good the night before a test.
What is the main function of a free fall mixer?
Consider how gravity affects the mixing process.
Define a power mixer.
Think about the speed at which these mixers operate.
What type of mixer uses gravity to mix materials?
Think of how materials fall in this type of mixer.
True or False: A trough mixer operates with a vertical shaft.
Consider the shape of the trough mixer.
Design a mixing schedule for a project requiring 100 m³ of concrete using a power mixer with a cycle time of 3 minutes at 80% efficiency. Calculate how many batches need to be prepared.
Think about the total volume and per-batch capacity when calculating!
Evaluate the impact of a 20% reduction in mixing time on the strength of the concrete produced by a trough mixer. Discuss the potential consequences.
Consider how each component in the mix needs sufficient time to integrate.
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