Environmental Engineering in CE Smoke is produced due to Poor design & overloading of furnace Poor quality of fuel and improper mixing of fuel & combustion air All of these Insufficient supply of combustion air and insufficient time for combustion Poor design & overloading of furnace Poor quality of fuel and improper mixing of fuel & combustion air All of these Insufficient supply of combustion air and insufficient time for combustion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Iron & manganese present in the polluted water is removed by Simple filtration Chemical coagulation Chlorination only Oxidation followed by settling & filtration Simple filtration Chemical coagulation Chlorination only Oxidation followed by settling & filtration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ hardness is responsible for the temporary hardness in water. Sulphate Choride Calcium Carbonate Sulphate Choride Calcium Carbonate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 4 to 5 9 to 10 15 to 20 1 to 2 4 to 5 9 to 10 15 to 20 1 to 2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm. 10000 5 500 1000 10000 5 500 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Phenolic water generated in coke ovens & by-product plant attached to an integrated steel plant containing phenol in concentration of less than 100 mg/litre can be removed by None of these Chemical coagulation Treating in biological oxygen pond Chlorination None of these Chemical coagulation Treating in biological oxygen pond Chlorination ANSWER DOWNLOAD EXAMIANS APP
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