Environmental Engineering in CE Inhalation of silica dust causes a disease called Bronchitis Silicosis Pneumoconiosis None of these Bronchitis Silicosis Pneumoconiosis None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level inside a jet air liner in normal flight is about __________ decibels. 100 145 80 125 100 145 80 125 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a secondary air pollutant? Photochemical smog Dust particles Sulphur dioxide Nitrogen dioxide Photochemical smog Dust particles Sulphur dioxide Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Soluble silica present in boiler feed water can be removed by Anion exchanger Filtration Coagulation Preheating it Anion exchanger Filtration Coagulation Preheating it ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The type of bacteria which is active in trickling filter during biological treatment of sewage is the __________ bacteria. Saphrophytic Aerobic Anaerobic Parasitic Saphrophytic Aerobic Anaerobic Parasitic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible residual chlorine in treated water should be __________ mg/litre. 5 to 10 2 to 3 02 to 0.3 0.001 to 0.01 5 to 10 2 to 3 02 to 0.3 0.001 to 0.01 ANSWER DOWNLOAD EXAMIANS APP
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