Environmental Engineering Disinfection efficiency is Reduced at higher pH value of water Unaffected by pH value of water Increased at higher pH value of water Highest at pH value equal to 7 Reduced at higher pH value of water Unaffected by pH value of water Increased at higher pH value of water Highest at pH value equal to 7 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Air binding phenomena in rapid sand filters occur due to Low temperature Higher turbidity in the effluent Excessive negative head Mud ball formation Low temperature Higher turbidity in the effluent Excessive negative head Mud ball formation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of cement concrete sewers is Less strength Difficulty in construction Difficulty in transportation due to heavy weight Less life Less strength Difficulty in construction Difficulty in transportation due to heavy weight Less life ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Corrosion in concrete sewers is caused by Nitrogen Septic conditions Chlorine Dissolved oxygen Nitrogen Septic conditions Chlorine Dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Composting and lagooning are the methods of Sludge digestion Sludge disposal Sedimentation Filtration Sludge digestion Sludge disposal Sedimentation Filtration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The effect of increasing diameter of sewer on the self cleansing velocity is To increase it Fluctuating To decrease it Nil To increase it Fluctuating To decrease it Nil ANSWER DOWNLOAD EXAMIANS APP
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