Environmental Engineering in CE Maximum permissible residual chlorine in treated water should be __________ mg/litre. 02 to 0.3 2 to 3 0.001 to 0.01 5 to 10 02 to 0.3 2 to 3 0.001 to 0.01 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerobic biological oxidation ponds used for the purification of polluted water Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents Destroys/removes pathogen much more effectively if the sewage is chlorinated Destroys/removes pathogen from the sewage All of these Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents Destroys/removes pathogen much more effectively if the sewage is chlorinated Destroys/removes pathogen from the sewage All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level heard at a distance of about 100 metres from a jet engine with after burner is about __________ decibels. 140 120 200 170 140 120 200 170 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrogen and phosphorous in waste water discharged into lakes and ponds causes Odour nuisances Turbidity Undesirable plant growth Foaming Odour nuisances Turbidity Undesirable plant growth Foaming ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reingleman chart No. 2 corresponds to __________ percent black smoke. 20 40 10 80 20 40 10 80 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of lead compounds present in automobile exhaust (using leaded petrol) causes All of these Anaemia Blood poisoning Nervous system disorder All of these Anaemia Blood poisoning Nervous system disorder ANSWER DOWNLOAD EXAMIANS APP
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