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2 cards from this section. Quick, good the night before a test.
What is the main advantage of weigh batching over volume batching?
Think about how moisture can affect measurements.
Name one type of concrete mixer discussed in this section.
What kind of mixer uses gravity for mixing materials?
What is the preferred method of batching for accuracy?
Consider which method is less susceptible to moisture variability.
True or False: Central batched concrete is often cheaper than job batched concrete.
Think about the location and logistics behind each method.
Calculate the amount of water required for 100 m³ of concrete with a water-cement ratio of 0.5, given that the weight of cement used is 3000 kg.
Remember that the water-cement ratio dictates how much water is needed based on the cement ratio.
Analyze the potential problems when using a non-tilting mixer instead of a tilting one for urgent concrete projects.
Consider how the mixing mechanism affects time efficiency and concrete consistency.
4 more questions in this section. Enroll free to practise them all.
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