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. 120 90 20 60 120 90 20 60 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Insufficient washing of sand grains in a rapid sand filter causes Shrinkage of filtering media Mud balls Air binding Expansion of filtering media Shrinkage of filtering media Mud balls Air binding Expansion of filtering media ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The per capital consumption of a locality is affected by(i) Climatic conditions(ii) Quality of water(iii) Distribution pressure Both (i) and (ii) Both (i) and (iii) Only (i) All (i), (ii) and (iii) Both (i) and (ii) Both (i) and (iii) Only (i) All (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fresh domestic sewage is __________ in color. Red Dark brown Grey Black Red Dark brown Grey Black ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of high concentration of ozone and smog in atmospheric air causes the Fading of dye on textiles Embrittlement & decrease of folding resistance of paper Cracking of rubber products Damage of electrical insulator on high tension power line Fading of dye on textiles Embrittlement & decrease of folding resistance of paper Cracking of rubber products Damage of electrical insulator on high tension power line ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most major constituents of air pollutants? Hydrogen sulphide Oxides of nitrogen Carbon monoxide Oxides of sulphur Hydrogen sulphide Oxides of nitrogen Carbon monoxide Oxides of sulphur ANSWER DOWNLOAD EXAMIANS APP