Environmental Engineering in CE The weakest sound that can be heard by a person in a quiet environment is equivalent to __________ decibel. 20 10 5 1 20 10 5 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Industrial workers working in leather tanning & manufacturing units are prone to suffer from Skin diseases (e.g. dermatities) Respirtory ailments (e.g. bronchitis) Blurred vision Silicosis Skin diseases (e.g. dermatities) Respirtory ailments (e.g. bronchitis) Blurred vision Silicosis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by Biological oxygen pond Filtration Lagoons Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) Biological oxygen pond Filtration Lagoons Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Particles having diameter greater than 75 μm (micrometer = 10-6 mm) are called Grit Dust Powder Smoke Grit Dust Powder Smoke ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following air pollutants is not toxic to vegetation i.e., doesn't cause vegetation damage? Carbon monoxide Hydrogen fluoride & nitrogen oxides Smog & ozone Sulphur dioxide & spray of weed killers Carbon monoxide Hydrogen fluoride & nitrogen oxides Smog & ozone Sulphur dioxide & spray of weed killers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur? Troposphere Thermosphere None of these Stratosphere Troposphere Thermosphere None of these Stratosphere ANSWER DOWNLOAD EXAMIANS APP
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