Environmental Engineering in CE Presence of excess flourine in water causes Respiratory disease Fluorosis Tooth decay Dental cavity Respiratory disease Fluorosis Tooth decay Dental cavity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the atmospheric air pollutants are present in large quantity in Thermosphere Mesosphere Stratosphere Trophosphere Thermosphere Mesosphere Stratosphere Trophosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Atmospheric pollution caused by the exhaust gas of supresonic transport air-crafts is mostly in the atmospheric region called Mesosphere Thermosphere Troposphere Stratosphere Mesosphere Thermosphere Troposphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Coal mines drainage waste water (acidic in nature) results from the earth's water percolating through the voids created in coal bed during mining. This polluted water which either drains out naturally to water courses or are removed before starting the mining is Neutralised by alkali treatment Diluted with fresh water to reduce its acidity None of these Left as such without any treatment Neutralised by alkali treatment Diluted with fresh water to reduce its acidity None of these Left as such without any treatment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oil and grease present in an emulsified state in waste water discharged from industries can be removed by Chlorination Settling out using chemical reagents Skimming off Biological oxidation Chlorination Settling out using chemical reagents Skimming off Biological oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foaming and priming in boiler operation can be reduced by reduction in __________ in feed water. All of these Total solids Color (Hazen) Turbidity All of these Total solids Color (Hazen) Turbidity ANSWER DOWNLOAD EXAMIANS APP