Environmental Engineering in CE Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundaries causes All of these Shortness of breath Asphyxiation (suffocation) Tuberculosis All of these Shortness of breath Asphyxiation (suffocation) Tuberculosis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Siderosis is a disease caused by the inhalation of __________ dust. Iron Coal Silica None of these Iron Coal Silica None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following dust collection equipments is the least efficient (for sub-micronic particles)? Hollow wet scrubber Bag filter Cyclone separator Dust catcher (gravity type) Hollow wet scrubber Bag filter Cyclone separator Dust catcher (gravity type) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of dissolved impurities of __________ is responsible for the red brownish color of water. Iron & manganese Carbonates Arsenic Bi-carbonates Iron & manganese Carbonates Arsenic Bi-carbonates ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Out of the following, TLV of __________ is maximum (about 500 ppm). Toluene Acetaldehyde Carbon disulphide Carbon dioxide Toluene Acetaldehyde Carbon disulphide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a secondary air pollutant? Sulphur dioxide All of these Photochemical smog Ozone Sulphur dioxide All of these Photochemical smog Ozone ANSWER DOWNLOAD EXAMIANS APP
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