Environmental Engineering in CE Which of the following air pollutants is not toxic to vegetation i.e., doesn't cause vegetation damage? Hydrogen fluoride & nitrogen oxides Sulphur dioxide & spray of weed killers Smog & ozone Carbon monoxide Hydrogen fluoride & nitrogen oxides Sulphur dioxide & spray of weed killers Smog & ozone Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Iron & manganese present in the polluted water is removed by Chlorination only Chemical coagulation Simple filtration Oxidation followed by settling & filtration Chlorination only Chemical coagulation Simple filtration Oxidation followed by settling & filtration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Arsenic pollutant is not generated in____industries. Beverages Tanneries Any of these Glass & ceramic Beverages Tanneries Any of these Glass & ceramic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most lethal water pollutant? Alkalis Phenol and cynide Suspended solids Chlorine Alkalis Phenol and cynide Suspended solids Chlorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a source of ozone emission in the atmosphere? Xerox machines Refrigerators High voltage electrical equipments Dermatological photo-therapy equipments Xerox machines Refrigerators High voltage electrical equipments Dermatological photo-therapy equipments ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE During sewage treatment, the sewage is subjected to __________ treatment in Imhoff tank. Both B and C Digestion Filtration Sedimentation Both B and C Digestion Filtration Sedimentation ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS