Environmental Engineering in CE From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. 5 50 1 500 5 50 1 500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. All of these Suspended solids Heavy metals and cynides Soluble and toxic organics All of these Suspended solids Heavy metals and cynides Soluble and toxic organics ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Photochemical smog is formed from automobile exhaust All of these By reaction of hydrocarbon & nitric oxide in presence of sunlight Is harmful for crops and trees also besides causing eye irritation & asthma Appears only on sunny days All of these By reaction of hydrocarbon & nitric oxide in presence of sunlight Is harmful for crops and trees also besides causing eye irritation & asthma Appears only on sunny days ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Biological oxidation ponds remove organic matters present in the polluted water by Neither A nor B Both A & B Aerobic oxidation Using the activities of bacteria and other micro organisms Neither A nor B Both A & B Aerobic oxidation Using the activities of bacteria and other micro organisms ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Solid content in most of the domestic sewage is about __________ percent. 0.001 10 0.1 5 0.001 10 0.1 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of lead compounds present in the automobile exhausts (using leaded petrol) causes Nervous system disorder All of these Blood poisoning Anaemia Nervous system disorder All of these Blood poisoning Anaemia ANSWER DOWNLOAD EXAMIANS APP
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