Environmental Engineering in CE Presence of iron and manganese in water causes Reduction in its dissolved oxygen content None of these Discoloration of bathroom fixtures Temporary hardness Reduction in its dissolved oxygen content None of these Discoloration of bathroom fixtures Temporary hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Particulates (< 1μm size) remaining suspended in air indefinitely and transported by wind currents are called Mists Fumes Aerosols Smoke Mists Fumes Aerosols Smoke ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most practical and economical method for removal of suspended solid matter from polluted water? Chlorination Skimming off Biological oxidation Sedimentation Chlorination Skimming off Biological oxidation Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polyvinyl chloride containers are not suitable for storing Metallic powder Woolen clothes Foodstuffs None of these Metallic powder Woolen clothes Foodstuffs None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The concentration of water vapour in troposphere, which depends upon the altitude & temperature varies in the range of zero to __________ percent. 12 1 8 4 12 1 8 4 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The term Biological Oxygen Demand (BOD) is used in relation to Distilled water Cooling water Industrial effluents Potable water Distilled water Cooling water Industrial effluents Potable water ANSWER DOWNLOAD EXAMIANS APP
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