Environmental Engineering in CE Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal In vacuum filter In sedimentation tanks equipped with mechanical scrapper By chemical coagulation In clarifiers In vacuum filter In sedimentation tanks equipped with mechanical scrapper By chemical coagulation In clarifiers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Arsenic pollutant is not generated in____industries. Any of these Tanneries Beverages Glass & ceramic Any of these Tanneries Beverages Glass & ceramic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm). Moderately Very extremely Highly Extremely Moderately Very extremely Highly Extremely ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sulphur dioxide present in the industrial chimney exhaust gases causes Reduction in plant's productivity owing to acid rain Corrosion of building materials Respiratory & lung disease All of these Reduction in plant's productivity owing to acid rain Corrosion of building materials Respiratory & lung disease All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Removal of __________ results from the disinfection of water. Hardness Bacteria Odour Turbidity Hardness Bacteria Odour Turbidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable noise exposure limits for a man working for 8 hours a day in a noisy chemical plant is about __________ decibels. 90 20 120 60 90 20 120 60 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS