Question

To achieve uniform colour and consistency of the concrete by using ordinary Portland cement, the mixing time may be

a.

1/2 to 1 minute

b.

1 to 1.5 minutes

c.

1.5 to 2 minutes

d.

2 to 2.5 minutes

Answer: (c).1.5 to 2 minutes

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Q. To achieve uniform colour and consistency of the concrete by using ordinary Portland cement, the mixing time may be

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