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. 4 8 1 12 4 8 1 12 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main type of sludge gas evolved during sewage treatment in Imhoff tank is CH₄ CO₂ CO H₂ CH₄ CO₂ CO H₂ 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 Damage of electrical insulator on high tension power line Cracking of rubber products Embrittlement & decrease of folding resistance of paper Fading of dye on textiles Damage of electrical insulator on high tension power line Cracking of rubber products Embrittlement & decrease of folding resistance of paper ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most lethal water pollutant? Suspended solids Alkalis Chlorine Phenol and cynide Suspended solids Alkalis Chlorine Phenol and cynide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ plant emits large amount of SO₂ as an air pollutant. Sulphuric acid Nitric acid Chloralkali Iron & steel Sulphuric acid Nitric acid Chloralkali Iron & steel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of dissolved impurities of __________ is responsible for the red brownish color of water. Arsenic Iron & manganese Carbonates Bi-carbonates Arsenic Iron & manganese Carbonates Bi-carbonates ANSWER DOWNLOAD EXAMIANS APP