Environmental Engineering Air binding phenomena in rapid sand filters occur due to Low temperature Higher turbidity in the effluent Mud ball formation Excessive negative head Low temperature Higher turbidity in the effluent Mud ball formation Excessive negative head ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable layout of a distribution system for irregularly growing town is Radial system Dead end system Ring system Grid iron system Radial system Dead end system Ring system Grid iron system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to higher pH values, the contact period required for efficient chlorination at lower pH values is None of these Smaller Larger Same None of these Smaller Larger Same ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The length of rectangular sedimentation tank should not be more than (Where ‘B’ is the width of the tank) B 4B 2B 8B B 4B 2B 8B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The dissolved oxygen level in natural unpolluted waters at normal temperature is found to be of the order of 10 mg/liter 1 mg/liter 1000 mg/liter 100 mg/liter 10 mg/liter 1 mg/liter 1000 mg/liter 100 mg/liter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The hydraulic mean depth (HMD) for an egg-shaped sewer flowing two-third full is Equal to HMD when flowing full Greater than HMD when flowing full None of these Less than HMD when flowing full Equal to HMD when flowing full Greater than HMD when flowing full None of these Less than HMD when flowing full ANSWER DOWNLOAD EXAMIANS APP
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