Environmental Engineering in CE The permissible color for domestic water supply is __________ ppm. 100 1000 1 20 100 1000 1 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes Respiratory disease (e.g., asthma) Reduced crop yield Cancer Silicosis Respiratory disease (e.g., asthma) Reduced crop yield Cancer Silicosis 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). 0.2 4.8 1.2 0.002 0.2 4.8 1.2 0.002 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following acts as a natural source of air pollution? Deforestation None of these Volcanic eruption Forest fire Deforestation None of these Volcanic eruption Forest fire ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Shouting by a man at his full voice corresponds to a voice level of about __________ decibels. 80 25 120 50 80 25 120 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hazardous/polluting chemical industries should have an 'exclusion zone' with a green belt and general public access prohibited around it, covering a radius of ____ metres. 4000 1000 100 400 4000 1000 100 400 ANSWER DOWNLOAD EXAMIANS APP
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