Environmental Engineering in CE Septic tanks are used for the __________ of the deposited solids. None of these Separation Aerobic decomposition Anaerobic decomposition None of these Separation Aerobic decomposition Anaerobic decomposition ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Corrosion in boilers can be prevented by Deaeration of feed water Feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen and prevents corrosion All of these Enhancing pH of feed water by adding alkali Deaeration of feed water Feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen and prevents corrosion All of these Enhancing pH of feed water by adding alkali 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 Forestation Rain Green house effect Vegetation Forestation Rain Green house effect ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the bacteria in sewage are Parasitic Anerobic Saprophytic None of these Parasitic Anerobic Saprophytic None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE When the concentration of SO₂ in air is greater than __________ ppm, it gives a pungent smell. 1 0.1 0.01 4 1 0.1 0.01 4 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. All of these Soluble and toxic organics Suspended solids Heavy metals and cynides All of these Soluble and toxic organics Suspended solids Heavy metals and cynides ANSWER DOWNLOAD EXAMIANS APP
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