SSC RSMSSB JE Mock Test 2024 Construction Materials and Management Concrete

The optimum number of revolutions in which concrete is required to be mixed in a mixer machine is

1

25 revolutions in 3 minutes

2

20 revolutions in 2.5 or 3 minutes

3

25 revolutions in 3 or 4 minutes

4

30 revolutions in 3 or 4 minutes

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