Environmental Engineering in CE Ozone is A primary pollutant A secondary pollutant Both B & C Impervious to ultra-violet rays A primary pollutant A secondary pollutant Both B & C Impervious to ultra-violet rays ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fluorosis (a bone disease) is caused by the presence of high concentration of __________ in atmospheric air. Hydrogen flouride Hydrogen sulphides Hydrocarbons Nitrogen dioxide Hydrogen flouride Hydrogen sulphides Hydrocarbons Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Turbidity of water is an indication of the presence of Suspended inorganic matter Dissolved solids Dissolved gases Floating solids Suspended inorganic matter Dissolved solids Dissolved gases Floating solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE During sewage treatment, the sewage is subjected to __________ treatment in Imhoff tank. Sedimentation Filtration Digestion Both B and C Sedimentation Filtration Digestion Both B and C 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. 60 120 90 20 60 120 90 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The concentration of water vapour in troposphere, which depends upon the altitude & temperature varies in the range of zero to __________ percent. 12 8 4 1 12 8 4 1 ANSWER DOWNLOAD EXAMIANS APP
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