Environmental Engineering in CE TLV of lead for public sewer/waste water is about __________ ppm. 150 650 25 1 150 650 25 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Insufficient washing of sand grains in a rapid sand filter causes Expansion of filtering media Shrinkage of filtering media Mud balls Air binding Expansion of filtering media Shrinkage of filtering media Mud balls Air binding ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most practical and economical method for removal of suspended solid matter from polluted water? Chlorination Sedimentation Skimming off Biological oxidation Chlorination Sedimentation Skimming off Biological oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the Vegetation Rain Forestation Green house effect Vegetation Rain Forestation Green house effect ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a practical method of low level radioactive waste disposal? Filling in steel crates and shooting it off out of earth Discharging to atmosphere through tall stacks after dilution Dilution with inert material Disposing off in rivers & oceans Filling in steel crates and shooting it off out of earth Discharging to atmosphere through tall stacks after dilution Dilution with inert material Disposing off in rivers & oceans ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. 5 50 1 500 5 50 1 500 ANSWER DOWNLOAD EXAMIANS APP