Environmental Engineering in CE In water chemical treatment plant, use of chloramines ensures Weed control in reservoirs Removal of permanent hardness Disinfection Taste & odour control Weed control in reservoirs Removal of permanent hardness Disinfection Taste & odour control ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundaries causes All of these Tuberculosis Shortness of breath Asphyxiation (suffocation) All of these Tuberculosis Shortness of breath Asphyxiation (suffocation) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre. 2 332 1050 42 2 332 1050 42 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level during normal conversation among men is about __________ decibles. 90 115 45 10 90 115 45 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sooty and sulphurous smog formed due to combustion of fossil fuels particularly in winter, continues throughout the day and night. When the moist atmospheric air's water vapor condenses on the solid particles of smoke thereby forming smog (smoke + fog), it causes Poor visibility due to sky darkening All of these Irritation in eyes Respiratory trouble Poor visibility due to sky darkening All of these Irritation in eyes Respiratory trouble ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrogen and phosphorous in waste water discharged into lakes and ponds causes Odour nuisances Foaming Turbidity Undesirable plant growth Odour nuisances Foaming Turbidity Undesirable plant growth ANSWER DOWNLOAD EXAMIANS APP
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