Environmental Engineering in CE High noise levels produced during operation of fans and compressors can be reduced by using Mufflers (silencers) None of these Accoustical absorbent Lagging of noisy duct Mufflers (silencers) None of these Accoustical absorbent Lagging of noisy duct ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The resistance of water to the passage of light through it is a measure of the Turbidity Hardness Dissolved gases Color Turbidity Hardness Dissolved gases Color ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carcinogenic air pollutants cause Bone decay Cancer Asphyxiation (suffocation) Anemia Bone decay Cancer Asphyxiation (suffocation) Anemia 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 All of these Destroys/removes pathogen much more effectively if the sewage is chlorinated Destroys/removes pathogen from the sewage Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents All of these Destroys/removes pathogen much more effectively if the sewage is chlorinated Destroys/removes pathogen from the sewage 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. 42 332 2 1050 42 332 2 1050 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Thermal pollution of water increases its toxicity and oxidation of oxygen demanding waste besides favouring bacterial growth. A rise in water temperature by 10°C, doubles the toxic effects of __________ present in it. Coal ash Ortho-xylene None of these Potassium cyanide Coal ash Ortho-xylene None of these Potassium cyanide ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS