Environmental Engineering in CE Presence of soluble organics in polluted water causes Explosion hazards Depletion of oxygen Undesirable plants growth Fire hazards Explosion hazards Depletion of oxygen Undesirable plants growth Fire hazards ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the Ionosphere None of these Troposphere Stratosphere Ionosphere None of these Troposphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Workers working in __________ industry are most prone to white lung cancer. Asbestos Limestone mining Textile Coal mining Asbestos Limestone mining Textile Coal mining ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 'Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the Burning of domestic fuel Automobiles exhaust Industrial chimney exhaust Photochemical reaction in polluted atmosphere Burning of domestic fuel Automobiles exhaust Industrial chimney exhaust Photochemical reaction in polluted atmosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water treatment, alum[Al2(SO₄)3] is used for the process of Sedimentation Disinfection Coagulation Filtration Sedimentation Disinfection Coagulation Filtration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is an adsorbant for removal of nitrogen oxides from gas/air? Pulverised limestone Active carbon Bog iron (iron oxide) Silica gel Pulverised limestone Active carbon Bog iron (iron oxide) Silica gel ANSWER DOWNLOAD EXAMIANS APP
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