Environmental Engineering in CE High noise levels produced during operation of fans and compressors can be reduced by using Lagging of noisy duct Mufflers (silencers) Accoustical absorbent None of these Lagging of noisy duct Mufflers (silencers) Accoustical absorbent None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the bacteria in sewage are Saprophytic Parasitic None of these Anerobic Saprophytic Parasitic None of these Anerobic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the Green house effect Catalytic conversion Global warming Both B and C Green house effect Catalytic conversion Global warming Both B and C ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Salt content in sea water is about __________ percent. 3.5 10 1 0.5 3.5 10 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In the context of the chemical process industries, the term BOD is normally associated with the Organic concentration in gaseous effluents Characterisation of liquid effluents Characterisation of boiler feed water Characterisation of solid wastes Organic concentration in gaseous effluents Characterisation of liquid effluents Characterisation of boiler feed water Characterisation of solid wastes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ is the process of killing organism in water. Coagulation Disinfection Sedimentation Sterilisation Coagulation Disinfection Sedimentation Sterilisation ANSWER DOWNLOAD EXAMIANS APP