Environmental Engineering in CE Which is the most widely used coagulant for the treatment of turbid water? Ferric chloride Sodium aluminate Alum (aluminium sulphate) Lime Ferric chloride Sodium aluminate Alum (aluminium sulphate) Lime ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. Soluble and toxic organics All of these Heavy metals and cynides Suspended solids Soluble and toxic organics All of these Heavy metals and cynides Suspended solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The type of bacteria which is active in trickling filter during biological treatment of sewage is the __________ bacteria. Anaerobic Saphrophytic Aerobic Parasitic Anaerobic Saphrophytic Aerobic Parasitic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polyvinyl chloride containers are not suitable for storing Foodstuffs Woolen clothes Metallic powder None of these Foodstuffs Woolen clothes Metallic powder None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The detrimental effect on organism and water quality with temperature rise of aquatic system is the reduction of __________ of water. Vapor pressure Biological oxygen demand All of these Dissolved oxygen content Vapor pressure Biological oxygen demand All of these Dissolved oxygen content ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Salt content in sea water is about __________ percent. 0.5 10 1 3.5 0.5 10 1 3.5 ANSWER DOWNLOAD EXAMIANS APP
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