Environmental Engineering in CE Polyvinyl chloride containers are not suitable for storing Foodstuffs Metallic powder Woolen clothes None of these Foodstuffs Metallic powder Woolen clothes None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fine grit present in sewage is removed in the __________ during sewage treatment. Skimming tank Trickling filter Detritus tank Grit chamber Skimming tank Trickling filter Detritus tank Grit chamber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The disinfection efficiency of chlorine increases by(i) Decreasing the time of contact(ii) Decreasing the temperature of water(iii) Increasing the temperature of water Only (i) Only (iii) Both (i) and (ii) Both (i) and (iii) Only (i) Only (iii) Both (i) and (ii) Both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most widely used coagulant for the treatment of turbid water? Sodium aluminate Alum (aluminium sulphate) Ferric chloride Lime Sodium aluminate Alum (aluminium sulphate) Ferric chloride Lime 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. Saphrophytic Anaerobic Parasitic Aerobic Saphrophytic Anaerobic Parasitic Aerobic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level heard inside a bus in busy city traffic or inside a sub-way train corresponds to about __________ decibels. 75 120 95 140 75 120 95 140 ANSWER DOWNLOAD EXAMIANS APP
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