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Civil Engineering Waste Water Engineering Difficulty: Medium

In a trickling filter

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To obtain good bonding in brick masonry Drop manholes at the junctions of sewer lines, are provided if Study the following statements. i) Top lateral bracing prevents the sidesway buckling of the chord. ii) Sway bracing keeps the rectangular shape of the bridge cross-section. iii) Sway bracing transfers the load from top of end posts to bearings. The correct answer is In a lifting machine with efficiency 60%, an effort of 200 N is required to raise a load of 6 kN. The velocity ratio of the machine is In olden days the type of section adopted in trunk and out fall sewers was