Environmental Engineering in CE A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called Cesspool Lagoon Septic tank Skimming mill Cesspool Lagoon Septic tank Skimming mill ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The weakest sound that can be heard by a person in a quiet environment is equivalent to __________ decibel. 20 1 5 10 20 1 5 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutant present in automobile exhaust is Hydrocarbons CO NO CO₂ Hydrocarbons CO NO CO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of SO₂ Hydrocarbons CO₂ CFC (chloro fluoro carbon) SO₂ Hydrocarbons CO₂ CFC (chloro fluoro carbon) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of oxidised sewage is about 13.4 6.2 1.8 7.3 13.4 6.2 1.8 7.3 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm). Extremely Very extremely Moderately Highly Extremely Very extremely Moderately Highly ANSWER DOWNLOAD EXAMIANS APP
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