Environmental Engineering in CE Which of the following is the most major constituents of air pollutants? Oxides of sulphur Hydrogen sulphide Oxides of nitrogen Carbon monoxide Oxides of sulphur Hydrogen sulphide Oxides of nitrogen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most widely used coagulant for the treatment of turbid water? Sodium aluminate Alum (aluminium sulphate) Lime Ferric chloride Sodium aluminate Alum (aluminium sulphate) Lime Ferric chloride ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million). 0.002 0.2 4.8 1.2 0.002 0.2 4.8 1.2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ substances present in sewage are removed in grit chamber during sewage treatment. Inorganic Fatty Dissolved Organic Inorganic Fatty Dissolved Organic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Black smoke coming out of the chimney of a furnace is an indication of the use of __________ in the furnace. Low amount of excess combustion air Large quantity of excess combustion air Hydrocarbon fuel Pulverised coal as fuel Low amount of excess combustion air Large quantity of excess combustion air Hydrocarbon fuel Pulverised coal as fuel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the Vegetation Rain Green house effect Forestation Vegetation Rain Green house effect Forestation ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS