Environmental Engineering in CE Beyond what concentration of H₂S in air, acute danger to human life exists? 300 ppm 700 ppm 100 ppm 50 ppm 300 ppm 700 ppm 100 ppm 50 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fresh domestic sewage is __________ in color. Dark brown Black Grey Red Dark brown Black Grey Red ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Shouting by a man at his full voice corresponds to a voice level of about __________ decibels. 25 80 120 50 25 80 120 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Corrosion in boilers can be prevented by Enhancing pH of feed water by adding alkali All of these Deaeration of feed water Feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen and prevents corrosion Enhancing pH of feed water by adding alkali All of these Deaeration of feed water Feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen and prevents corrosion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of lead compounds present in automobile exhaust (using leaded petrol) causes Nervous system disorder All of these Blood poisoning Anaemia Nervous system disorder All of these Blood poisoning Anaemia ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Arsenic pollutant is not generated in____industries. Glass & ceramic Tanneries Beverages Any of these Glass & ceramic Tanneries Beverages Any of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS