Environmental Engineering Corrosion in concrete sewers is caused by Septic conditions Nitrogen Dissolved oxygen Chlorine Septic conditions Nitrogen Dissolved oxygen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewage treatment units are designed for Maximum and minimum flow Average flow only Minimum flow only Maximum flow only Maximum and minimum flow Average flow only Minimum flow only Maximum flow only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In chlorination, with the rise in temperature of water, death rate of bacteria Decreases None of these Increases Remains unaffected Decreases None of these Increases Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following retards the self purification of stream? Sunlight Satisfying oxygen demand None of these Higher temperature Sunlight Satisfying oxygen demand None of these Higher temperature ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Settling velocity increases with Temperature of liquid Depth of tank Specific gravity of solid particles Size of particles Temperature of liquid Depth of tank Specific gravity of solid particles Size of particles ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Ground water is usually free from Dissolved impurities Suspended impurities None of these Both suspended and dissolved impurities Dissolved impurities Suspended impurities None of these Both suspended and dissolved impurities ANSWER DOWNLOAD EXAMIANS APP