Environmental Engineering Alkalinity in water is expressed as milligrams per litre in terms of equivalent Sodium carbonate Magnesium carbonate Calcium hydroxide Calcium carbonate Sodium carbonate Magnesium carbonate Calcium hydroxide Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The settling velocity of a particle in a sedimentation tank depends on Depth of tank Both depth and surface area of tank None of these Surface area of tank Depth of tank Both depth and surface area of tank None of these Surface area of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Activated carbon is used for Removing corrosiveness Removing hardness Disinfection Removing odours Removing corrosiveness Removing hardness Disinfection Removing odours ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Scour valves are provided At every depression and dead ends to drain out the waste water that may collect there At the foot of rising main along the slope to prevent back running of water At every summit of rising mains At street corners to control the flow of water At every depression and dead ends to drain out the waste water that may collect there At the foot of rising main along the slope to prevent back running of water At every summit of rising mains At street corners to control the flow of water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following compounds is widely used for algae control? Copper sulphate Sodium chloride Calcium chloride Sodium sulphate Copper sulphate Sodium chloride Calcium chloride Sodium sulphate 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
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