Environmental Engineering in CE Noise level during normal conversation among men is about __________ decibles. 90 10 115 45 90 10 115 45 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million). 4.8 1.2 0.002 0.2 4.8 1.2 0.002 0.2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ bacteria in water causes disease like typhoid. Non-pathogenic Pathogenic Anaerobic Aerobic Non-pathogenic Pathogenic Anaerobic Aerobic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inorganic impurities causing water pollution is Salts of metals Protein Carbohydrates Fats Salts of metals Protein Carbohydrates Fats ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The amount of coagulant needed for coagulation of water increases with(i) Increase in turbidity of water(ii) Decrease in turbidity of water(iii) Increase in temperature of water(iv) Decrease in temperature of waterThe correct answer is (ii) and (iv) (i) and (ii) (i)and(iv) (ii) and (iii) (ii) and (iv) (i) and (ii) (i)and(iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a weightless pollutant? Radioactive rays Noise pollution SPM Thermal pollution Radioactive rays Noise pollution SPM Thermal pollution ANSWER DOWNLOAD EXAMIANS APP
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