Environmental Engineering in CE Maximum permissible limit of industrial noise as recommended by World Health Organisation (WHO) is __________ decibels. 35 95 75 105 35 95 75 105 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main pollutant in waste water discharged from a petroleum refinery is oil (both in free and emulsified form). Free oil is removed by Trickling filters Biological oxygen pond Gravity separator having oil skimming devices Aerated lagoons Trickling filters Biological oxygen pond Gravity separator having oil skimming devices Aerated lagoons ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of bacteria in potable (drinking) water causes Bad odour Disease Turbidity Bad taste & colour Bad odour Disease Turbidity Bad taste & colour ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the bacteria in sewage are Parasitic Saprophytic Anerobic None of these Parasitic Saprophytic Anerobic None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level in a quiet private business office is about __________ decibels. 25 85 70 50 25 85 70 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The maximum CO₂ is emitted into the atmosphere by Trees Combustion Biomass burning Urea Trees Combustion Biomass burning Urea ANSWER DOWNLOAD EXAMIANS APP
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