Environmental Engineering in CE World environment day is observed every year on the 5th of July December September June July December September June ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most practical and economical method for removal of suspended solid matter from polluted water? Biological oxidation Skimming off Chlorination Sedimentation Biological oxidation Skimming off Chlorination Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dissolved oxygen content in river water is around __________ ppm. 500 5 100 250 500 5 100 250 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of high concentration of ozone and smog in atmospheric air causes the Cracking of rubber products Fading of dye on textiles Damage of electrical insulator on high tension power line Embrittlement & decrease of folding resistance of paper Cracking of rubber products Fading of dye on textiles Damage of electrical insulator on high tension power line Embrittlement & decrease of folding resistance of paper ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in 'gas chamber' is about __________ ppm. 100-1000 100-200 10-100 100-1000 100-200 10-100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) Biological oxygen pond Filtration Lagoons Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) Biological oxygen pond Filtration Lagoons ANSWER DOWNLOAD EXAMIANS APP
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