Environmental Engineering in CE Fresh sewage is __________ in nature. Acidic Highly acidic Alkaline Neutral Acidic Highly acidic Alkaline Neutral ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Photochemical smog is formed from automobile exhaust By reaction of hydrocarbon & nitric oxide in presence of sunlight All of these Appears only on sunny days Is harmful for crops and trees also besides causing eye irritation & asthma By reaction of hydrocarbon & nitric oxide in presence of sunlight All of these Appears only on sunny days Is harmful for crops and trees also besides causing eye irritation & asthma ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutant present in automobile exhaust is NO CO₂ CO Hydrocarbons NO CO₂ CO Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a manmade source of air pollution? Forest fire Bacterial action in soil and swamp areas All of these Automobile exhaust Forest fire Bacterial action in soil and swamp areas All of these Automobile exhaust ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sooty and sulphurous smog formed due to combustion of fossil fuels particularly in winter, continues throughout the day and night. When the moist atmospheric air's water vapor condenses on the solid particles of smoke thereby forming smog (smoke + fog), it causes Respiratory trouble Irritation in eyes Poor visibility due to sky darkening All of these Respiratory trouble Irritation in eyes Poor visibility due to sky darkening All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU). 750 1500 230 20 750 1500 230 20 ANSWER DOWNLOAD EXAMIANS APP
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