Environmental Engineering in CE 80% less than 200 mesh size particles are called Grit Powder Smoke Aggregates Grit Powder Smoke Aggregates 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 Hydrocarbon fuel Large quantity of excess combustion air Pulverised coal as fuel Low amount of excess combustion air Hydrocarbon fuel Large quantity of excess combustion air Pulverised coal as fuel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE BOD of raw municipal sewage may be in the range of about __________ mg/litre. 150-300 2000-3000 5-10 1-2 150-300 2000-3000 5-10 1-2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ hardness is responsible for the temporary hardness in water. Sulphate Carbonate Calcium Choride Sulphate Carbonate Calcium Choride ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Peroxyacyl nitrate (PAN), a pollutant is found in the Exhaust of nitric acid plant Exhaust of sulphuric acid plant Automobile exhaust Flue gas of coal based power plant Exhaust of nitric acid plant Exhaust of sulphuric acid plant Automobile exhaust Flue gas of coal based power plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lagoons used for purification of polluted water Gives an excellent final effluent (with 3 to 4 lagoons arranged in series) having suspended solid < 1 mg/litre and BOD = 3.8 mg/litre Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds All of these Use micro-organisms/bacteria in presence of dissolved oxygen Gives an excellent final effluent (with 3 to 4 lagoons arranged in series) having suspended solid < 1 mg/litre and BOD = 3.8 mg/litre Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds All of these Use micro-organisms/bacteria in presence of dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
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