Environmental Engineering in CE Persons working in cement plants and limestone quarries are more prone to disease like Silicosis Asthma Flourosis (bone disease) Cancer Silicosis Asthma Flourosis (bone disease) Cancer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth's atmosphere, which absorbs it. Hydrogen Carbon dioxide Ozone None of these Hydrogen Carbon dioxide Ozone None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable concentration of CO₂ in air for safe working is __________ ppm (parts per million). 1000 2000 5000 50 1000 2000 5000 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrates in water in excess of 50 ppm causes Tooth decay Mathenoglobenemia Asphyxiation Gastroentetitis Tooth decay Mathenoglobenemia Asphyxiation Gastroentetitis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Growth of __________ is promoted by the presence of manganese in water. Algae Micro-organisms Files Mosquitoes Algae Micro-organisms Files Mosquitoes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO₂ in air is __________ ppm. 5 1000 500 2000 5 1000 500 2000 ANSWER DOWNLOAD EXAMIANS APP
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