Environmental Engineering in CE Fine grit present in sewage is removed in the __________ during sewage treatment. Trickling filter Skimming tank Detritus tank Grit chamber Trickling filter Skimming tank Detritus tank Grit chamber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur? Troposphere Stratosphere Thermosphere None of these Troposphere Stratosphere Thermosphere None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million). 0.2 1.2 4.8 0.002 0.2 1.2 4.8 0.002 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polyvinyl chloride containers are not suitable for storing Foodstuffs None of these Metallic powder Woolen clothes Foodstuffs None of these Metallic powder Woolen clothes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following industries discharge mercury as a pollutant? Phosphoric acid plant Tanneries Chloro-alkali industry Beverage plant Phosphoric acid plant Tanneries Chloro-alkali industry Beverage plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following gases is having the widest explosion limit (about 2 to 81% gas in gas-air mixture), rendering it the property of the most explosive gas? Ammonia Carbon monoxide Hydrogen Acetylene Ammonia Carbon monoxide Hydrogen Acetylene ANSWER DOWNLOAD EXAMIANS APP
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