Environmental Engineering in CE Carbon monoxide is a pollutant, which causes Retardation in crop growth Respiratory disease (e.g. asthma) Asphyxiation (suffocation) leading to death Damage to building materials like marble Retardation in crop growth Respiratory disease (e.g. asthma) Asphyxiation (suffocation) leading to death Damage to building materials like marble ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Biological oxidation ponds remove organic matters present in the polluted water by Neither A nor B Using the activities of bacteria and other micro organisms Aerobic oxidation Both A & B Neither A nor B Using the activities of bacteria and other micro organisms Aerobic oxidation Both A & B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ammonia, nitrogen dioxide and phenol vapor in air is __________ ppm. 100 2000 5 1000 100 2000 5 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lagoons used for purification of polluted water Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds All of these Gives an excellent final effluent (with 3 to 4 lagoons arranged in series) having suspended solid < 1 mg/litre and BOD = 3.8 mg/litre Use micro-organisms/bacteria in presence of dissolved oxygen Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds All of these Gives an excellent final effluent (with 3 to 4 lagoons arranged in series) having suspended solid < 1 mg/litre and BOD = 3.8 mg/litre Use micro-organisms/bacteria in presence of dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most widely used disinfectant in water treatment? Chlorine Cation exchanger Irradiation of water by ultraviolet light Coagulation Chlorine Cation exchanger Irradiation of water by ultraviolet light Coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because It forms CO₂ by combining with oxygen present in the blood Of clotting of blood It forms carboxyhaemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen Of jamming of respiratory tract It forms CO₂ by combining with oxygen present in the blood Of clotting of blood It forms carboxyhaemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen Of jamming of respiratory tract ANSWER DOWNLOAD EXAMIANS APP
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