Environmental Engineering in CE Fluorosis is caused due to the presence of excessive amount of __________ in drinking water. Fluoride Lead Mercury Arsenic Fluoride Lead Mercury Arsenic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smoke is produced due to Poor design & overloading of furnace Insufficient supply of combustion air and insufficient time for combustion All of these Poor quality of fuel and improper mixing of fuel & combustion air Poor design & overloading of furnace Insufficient supply of combustion air and insufficient time for combustion All of these Poor quality of fuel and improper mixing of fuel & combustion air ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE H₂S present in gaseous stream can be removed by adsorption on Active carbon Limestone powder Silica gel Bog iron Active carbon Limestone powder Silica gel Bog iron ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m²/hr. 10 to 15 3 to 6 0.1 to 1 15 to 20 10 to 15 3 to 6 0.1 to 1 15 to 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is an adsorbant for removal of nitrogen oxides from gas/air? Pulverised limestone Active carbon Bog iron (iron oxide) Silica gel Pulverised limestone Active carbon Bog iron (iron oxide) Silica gel 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 Destroys/removes pathogen much more effectively if the sewage is chlorinated Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents All of these Destroys/removes pathogen from the sewage Destroys/removes pathogen much more effectively if the sewage is chlorinated Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents All of these ANSWER DOWNLOAD EXAMIANS APP
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