For under water concreting.
A. At least 10 percent more cement is required as compared to dry conditions
B. The volume of coarse aggregates shall not be less than one and half times and not more than twice that of fine aggregate
C. De-watering by pumping is not done or until 24 hours thereafter
D. All the above
Answer: Option D
This Question Belongs to Civil Engineering >> Structural Analysis
A. 5 mm less than the minimum clear distance between the main bars
B. 5 mm less than the minimum cover to the reinforcement
C. Smaller of A and B
D. Greater of A and B
The fixed support in a real beam becomes in the conjugate beam a
A. Roller support
B. Hinged support
C. Fixed support
D. Free end
A. The centre of gravity of the load system is midway between the centre of span and wheel load under consi-deration
B. The centre of span is midway between the centre of gravity of the load system and the wheel load under consideration
C. The wheel load under consideration is midway between the centre of span and the centre of gravity of the load system
D. None of the above
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