Environmental Engineering in CE The pH value of oxidised sewage is about 7.3 1.8 13.4 6.2 7.3 1.8 13.4 6.2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the bacteria in sewage are None of these Saprophytic Parasitic Anerobic None of these Saprophytic Parasitic Anerobic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The principal gas evolved from sludge digestion tank is N₂ CH₄ CO₂ CO N₂ CH₄ CO₂ CO ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The weakest sound that can be heard by a person in a quiet environment is equivalent to __________ decibel. 5 10 1 20 5 10 1 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The widest explosive limit is of __________ , thereby making it the most explosive gas. Petrol vapor Carbon monoxide Hydrogen Acetylene Petrol vapor Carbon monoxide Hydrogen Acetylene ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level inside a jet air liner in normal flight is about __________ decibels. 80 125 145 100 80 125 145 100 ANSWER DOWNLOAD EXAMIANS APP