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3. Mixing Duration and Guidelines
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2 cards from this lesson. Good the night before a test.
Try these first
- 1.
What is a Power Mixer?
Hint
Think about how the mixer operates.
- 2.
Why is cleaning the mixer important?
Hint
What happens if old concrete hardens?
- 3.
What type of mixer is suitable for cohesive mixes?
- Free fall mixer
- Power mixer
- Drum mixer
Hint
Think about the challenges of mixing tough materials.
- 4.
True or False: Overloading a mixer can harm the quality of the concrete mix.
- True
- False
Hint
Consider what happens if you don't use the right amount.
- 5.
Describe how you would handle a situation where concrete consistently fails to achieve the desired slump during mixing.
Hint
Think about the variables affecting the mix.
- 6.
If a concrete mixer has a cycle time of 4 minutes and a batching size of 9 cubic meters, calculate the output per hour.
Hint
Use the formula for calculating hourly output.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
4 more questions available
Enrol freeQuiz
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
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Enrol freeChallenge Problems
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting