Environmental Engineering Which of the following chemical compounds can be used for de-chlorination of water? Carbon dioxide Sulphur dioxide Chloramines Bleaching powder Carbon dioxide Sulphur dioxide Chloramines Bleaching powder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A sewer that receives the discharge of a number of house sewers is called Intercepting sewer House sewer Lateral sewer Sub-main sewer Intercepting sewer House sewer Lateral sewer Sub-main sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period and overflow rate respectively for plain sedimentation as compared to sedimentation with coagulation are generally More and more Less and more Less and less More and less More and more Less and more Less and less More and less ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For normal sludge, the value of sludge index for Indian conditions is 0 to 50 150 to 350 350 to 500 50 to 150 0 to 50 150 to 350 350 to 500 50 to 150 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In chlorination, with the rise in temperature of water, death rate of bacteria Remains unaffected Increases Decreases None of these Remains unaffected Increases Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Standard BOD is measured at 20°C - 1 day 20°C - 5 day 30°C - 5 day 25°C - 3 day 20°C - 1 day 20°C - 5 day 30°C - 5 day 25°C - 3 day ANSWER DOWNLOAD EXAMIANS APP