Environmental Engineering in CE Which of the following is the most widely used disinfectant in water treatment? Cation exchanger Chlorine Coagulation Irradiation of water by ultraviolet light Cation exchanger Chlorine Coagulation Irradiation of water by ultraviolet light ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE When the concentration of SO₂ in air is greater than __________ ppm, it gives a pungent smell. 0.1 4 0.01 1 0.1 4 0.01 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Workers working in __________ industry are most prone to white lung cancer. Limestone mining Asbestos Coal mining Textile Limestone mining Asbestos Coal mining Textile ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polyvinyl chloride containers are not suitable for storing Foodstuffs Metallic powder None of these Woolen clothes Foodstuffs Metallic powder None of these Woolen clothes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ substances present in sewage are removed in grit chamber during sewage treatment. Dissolved Fatty Organic Inorganic Dissolved Fatty Organic Inorganic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of iron and manganese in water causes Temporary hardness Discoloration of bathroom fixtures None of these Reduction in its dissolved oxygen content Temporary hardness Discoloration of bathroom fixtures None of these Reduction in its dissolved oxygen content ANSWER DOWNLOAD EXAMIANS APP
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