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The expected out turn of cement concrete 1 : 2 : 4 per mason per day is ________(a) 6.5 m^3(b) 1.5 m^3(c) 2.5 m^3(d) 5.0 m^3 |
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Answer» The correct option is (d) 5.0 m^3 To elaborate: 1 : 2 : 4 concrete, 1m^3 need Labour constant. Mixing concrete – 3.00 hour/m^3. Lifting and carrying concrete – 1.20 hour/m^3. compacting concrete – 0.80 hour/m^3. leveling surface of concrete – 0.10 hour/m^3. Total = (3+1.2+0.8+0.1) = 5. |
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