Environmental Engineering The chemical most commonly used to increase speed of sedimentation of sewage is Copper sulphate Sulphuric acid Lime Sodium permanganate Copper sulphate Sulphuric acid Lime Sodium permanganate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering When there is no recirculation of sewage, then recirculation factor is Infinity None of these 1 Infinity None of these 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to higher pH values, the contact period required for efficient chlorination at lower pH values is Larger None of these Smaller Same Larger None of these Smaller Same ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following values of pH represents a stronger acid? 3 4 2 5 3 4 2 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum discharge of a tube well is about 50 liters/sec 5 liters/sec 1000 liters/sec 500 liters/sec 50 liters/sec 5 liters/sec 1000 liters/sec 500 liters/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The layout of distribution system in which water flows towards the outer periphery is Radial system Dead end system Grid iron system Ring system Radial system Dead end system Grid iron system Ring system ANSWER DOWNLOAD EXAMIANS APP
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