Environmental Engineering in CE Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about __________ decibels. 135 105 160 185 135 105 160 185 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Solid content in most of the domestic sewage is about __________ percent. 0.1 10 5 0.001 0.1 10 5 0.001 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most efficient for removal of very finely divided suspended solids and colloidal matter from the polluted water stream? Sedimentation tank Mechanical flocculation Circular clarifier Chemical coagulation Sedimentation tank Mechanical flocculation Circular clarifier Chemical coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fine grit present in sewage is removed in the __________ during sewage treatment. Trickling filter Detritus tank Grit chamber Skimming tank Trickling filter Detritus tank Grit chamber Skimming tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Workers working in __________ industry are most prone to white lung cancer. Coal mining Limestone mining Textile Asbestos Coal mining Limestone mining Textile Asbestos ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a secondary air pollutant? Photochemical smog Ozone All of these Sulphur dioxide Photochemical smog Ozone All of these Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
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