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The optimum number of revolutions in which concrete is required to be mixed in a mixer machine is
- a)25 revolutions in 3 minutes
- b)20 revolutions in 2.5 or 3 minutes
- c)25 revolutions in 3 or 4 minutes
- d)30 revolutions in 3 or 4 minutes
Correct answer is option 'B'. Can you explain this answer?
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The optimum number of revolutions in which concrete is required to be ...
To make concrete economical, mixing of concrete is performed in a machine mixer that leads to 10% saving in quantity of cement and the optimum number of revolutions in which concrete is required to be mixed in a mixer machine is 20 revolutions in 2.5 or 3 minutes.
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The optimum number of revolutions in which concrete is required to be ...
The optimum number of revolutions in which concrete is required to be mixed in a mixer machine is 20 revolutions in 2.5 or 3 minutes.
Explanation:
The mixing of concrete in a mixer machine is an important process to ensure the homogeneity of the mixture. The optimum number of revolutions required to mix the concrete depends on various factors such as the type of mixer, capacity of the mixer, type of concrete, and the desired consistency of the mixture.
The Bureau of Indian Standards (BIS) has specified the minimum number of revolutions required for mixing concrete in a mixer machine. According to BIS, the minimum number of revolutions required for mixing concrete in a mixer machine is:
- 25 revolutions in 3 minutes for a mixer with a capacity of up to 500 liters.
- 30 revolutions in 3 minutes for a mixer with a capacity of more than 500 liters.
However, the optimum number of revolutions required for mixing concrete in a mixer machine may vary depending on the above-mentioned factors. Based on various studies and experiments, it has been found that the optimum number of revolutions required for mixing concrete in a mixer machine is:
- 20 revolutions in 2.5 or 3 minutes for a mixer with a capacity of up to 500 liters.
- 25 revolutions in 3 or 4 minutes for a mixer with a capacity of more than 500 liters.
This is because excessive mixing can lead to the segregation of the ingredients, while insufficient mixing can lead to the formation of voids and weak spots in the concrete.
Therefore, it is important to follow the recommended optimum number of revolutions for mixing concrete in a mixer machine to ensure the desired consistency and strength of the concrete.
Explanation:
The mixing of concrete in a mixer machine is an important process to ensure the homogeneity of the mixture. The optimum number of revolutions required to mix the concrete depends on various factors such as the type of mixer, capacity of the mixer, type of concrete, and the desired consistency of the mixture.
The Bureau of Indian Standards (BIS) has specified the minimum number of revolutions required for mixing concrete in a mixer machine. According to BIS, the minimum number of revolutions required for mixing concrete in a mixer machine is:
- 25 revolutions in 3 minutes for a mixer with a capacity of up to 500 liters.
- 30 revolutions in 3 minutes for a mixer with a capacity of more than 500 liters.
However, the optimum number of revolutions required for mixing concrete in a mixer machine may vary depending on the above-mentioned factors. Based on various studies and experiments, it has been found that the optimum number of revolutions required for mixing concrete in a mixer machine is:
- 20 revolutions in 2.5 or 3 minutes for a mixer with a capacity of up to 500 liters.
- 25 revolutions in 3 or 4 minutes for a mixer with a capacity of more than 500 liters.
This is because excessive mixing can lead to the segregation of the ingredients, while insufficient mixing can lead to the formation of voids and weak spots in the concrete.
Therefore, it is important to follow the recommended optimum number of revolutions for mixing concrete in a mixer machine to ensure the desired consistency and strength of the concrete.
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The optimum number of revolutions in which concrete is required to be mixed in a mixer machine isa)25 revolutions in 3 minutesb)20 revolutions in 2.5 or 3 minutesc)25 revolutions in 3 or 4 minutesd)30 revolutions in 3 or 4 minutesCorrect answer is option 'B'. Can you explain this answer?
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