Environmental Engineering in CE Fresh sewage is __________ in nature. Neutral Highly acidic Alkaline Acidic Neutral Highly acidic Alkaline Acidic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most efficient for removal of very finely divided suspended solids and colloidal matter from the polluted water stream? Sedimentation tank Chemical coagulation Circular clarifier Mechanical flocculation Sedimentation tank Chemical coagulation Circular clarifier Mechanical flocculation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ is removed from water by lime-soda process. Permanent hardness Iron and manganese Temporary hardness Foul smell and taste Permanent hardness Iron and manganese Temporary hardness Foul smell and taste ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The widest explosive limit is of __________ , thereby making it the most explosive gas. Carbon monoxide Acetylene Petrol vapor Hydrogen Carbon monoxide Acetylene Petrol vapor Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smog is A combination of smoke and fog Nothing but black smoke A liquid particle resulting from vapor condensation A solid particle e.g. flyash A combination of smoke and fog Nothing but black smoke A liquid particle resulting from vapor condensation A solid particle e.g. flyash ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 'Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the Burning of domestic fuel Photochemical reaction in polluted atmosphere Automobiles exhaust Industrial chimney exhaust Burning of domestic fuel Photochemical reaction in polluted atmosphere Automobiles exhaust Industrial chimney exhaust ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS