Environmental Engineering in CE Exposure to small amount of __________ results in high blood pressure & heart disease in human beings. Asbestos Cadmium Hydrogen sulphide Mercury Asbestos Cadmium Hydrogen sulphide Mercury ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polluted water having low BOD are most economically treated in Oxidation ponds Clarifier Sludge digester Sedimentation tanks Oxidation ponds Clarifier Sludge digester Sedimentation tanks ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the common pollutant emitted from metallurgical smelters, thermal power plant and cement plants? Hg NOx SO₂ F Hg NOx SO₂ F ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is an adsorbant for removal of nitrogen oxides from gas/air? Silica gel Bog iron (iron oxide) Pulverised limestone Active carbon Silica gel Bog iron (iron oxide) Pulverised limestone Active carbon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following gases is having the widest explosion limit (about 2 to 81% gas in gas-air mixture), rendering it the property of the most explosive gas? Acetylene Ammonia Hydrogen Carbon monoxide Acetylene Ammonia Hydrogen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of dissolved impurities of __________ is responsible for the red brownish color of water. Carbonates Iron & manganese Bi-carbonates Arsenic Carbonates Iron & manganese Bi-carbonates Arsenic ANSWER DOWNLOAD EXAMIANS APP