Environmental Engineering in CE Fresh sewage is __________ in nature. Neutral Alkaline Highly acidic Acidic Neutral Alkaline Highly acidic Acidic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Tri-sodium phosphate is used in boiler water treatment to reduce Dissolved oxygen Suspended silica Caustic embrittlement Turbidity Dissolved oxygen Suspended silica Caustic embrittlement Turbidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm). Highly Extremely Very extremely Moderately Highly Extremely Very extremely Moderately ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur? Troposphere Stratosphere Thermosphere None of these Troposphere Stratosphere Thermosphere None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. Heavy metals and cynides All of these Soluble and toxic organics Suspended solids Heavy metals and cynides All of these Soluble and toxic organics Suspended solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ is removed from water by lime-soda process. Iron and manganese Permanent hardness Temporary hardness Foul smell and taste Iron and manganese Permanent hardness Temporary hardness Foul smell and taste ANSWER DOWNLOAD EXAMIANS APP
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