Environmental Engineering in CE Noise level inside a jet air liner in normal flight is about __________ decibels. 145 80 100 125 145 80 100 125 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ substances present in sewage are removed in grit chamber during sewage treatment. Fatty Dissolved Organic Inorganic Fatty Dissolved Organic Inorganic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Acute danger to human life (i.e. death) exists, if the concentration of CO₂ in atmospheric air exceeds __________ percent (by volume). 3 20 7 1 3 20 7 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In the context of the chemical process industries, the term BOD is normally associated with the Characterisation of liquid effluents Characterisation of boiler feed water Organic concentration in gaseous effluents Characterisation of solid wastes Characterisation of liquid effluents Characterisation of boiler feed water Organic concentration in gaseous effluents Characterisation of solid wastes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ is removed from water by lime-soda process. Iron and manganese Foul smell and taste Permanent hardness Temporary hardness Iron and manganese Foul smell and taste Permanent hardness Temporary hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerobic biological oxidation ponds used for the purification of polluted water Destroys/removes pathogen from the sewage All of these Destroys/removes pathogen much more effectively if the sewage is chlorinated Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents Destroys/removes pathogen from the sewage All of these Destroys/removes pathogen much more effectively if the sewage is chlorinated Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents ANSWER DOWNLOAD EXAMIANS APP