Environmental Engineering in CE The commonest form of iron & manganese found in ground water as pollutant is in the form of their Bi-carbonates Carbonates Sulphides Chlorides Bi-carbonates Carbonates Sulphides Chlorides ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m²/hr. 3 to 6 15 to 20 0.1 to 1 10 to 15 3 to 6 15 to 20 0.1 to 1 10 to 15 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oil and grease present in an emulsified state in waste water discharged from industries can be removed by Chlorination Biological oxidation Settling out using chemical reagents Skimming off Chlorination Biological oxidation Settling out using chemical reagents Skimming off ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a manmade source of air pollution? All of these Automobile exhaust Forest fire Bacterial action in soil and swamp areas All of these Automobile exhaust Forest fire Bacterial action in soil and swamp areas 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. 10-100 100-200 100-1000 10-100 100-200 100-1000 ANSWER DOWNLOAD EXAMIANS APP
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