Practice Spacing And Insertion Guidelines (6.1) - Lubricating Process - Construction Engineering & Management - Vol 3

Practice: Spacing and Insertion Guidelines

Lesson 6.1Lubricating Process

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9 questions

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6 sample questions

Question 1.
What is the primary purpose of lubrication in concrete pumping?
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Think about why we apply lubricants in machines.
Question 2.
Why is cleaning necessary after pumping concrete?
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Consider what happens if concrete sits too long in the equipment.
3Question 3.
What is the role of lubrication in concrete pumping?
- To thicken the concrete
- To facilitate flow through pipes
- To cool down the pump
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Think about the purpose of adding lubricants.
4Question 4.
True or False: The larger the size of aggregate, the easier it is to pump concrete.
- True
- False
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Consider the effect of size on movement through a narrow opening.
Question 5.
Analyze the impact of using too large an aggregate on the efficiency of concrete pumping. What might happen during the process?
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Consider how clogs affect flow in other systems you know.
Question 6.
Evaluate different methods of cleaning out concrete pumps and pipelines after a long job. Which method would you recommend and why?
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Think about which is easiest and least damaging to the equipment.

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