2.3.2. Buttering Operation

Try these first

1. 1.

   What is the purpose of the buttering operation?

   Hint

   Think about why we need to prepare the drum before mixing.

2. 2.

   Name one type of mixer that uses free fall mixing.

   Hint

   Consider different configurations of concrete mixers.

3. 3.

   What is the main advantage of a power mixer over a free fall mixer?

   • Higher cost
   • Higher productivity
   • More complicated to use

   Hint

   Focus on the reasons for using each type.

4. 4.

   True or False: Buttering is necessary for all concrete mixers.

   • True
   • False

   Hint

   Consider which types of mixers require this preparation.

5. 5.

   Given a scenario where you need to use a power mixer for a concrete job, what factors might influence your choice of mixer size and type?

   Hint

   Consider the job's requirements and mixer specifications.

6. 6.

   In what conditions would you recommend switching from a free fall mixer to a power mixer?

   Hint

   Think about the benefits of rapid mixing.