Environmental Engineering in CE Fine grit present in sewage is removed in the __________ during sewage treatment. Skimming tank Grit chamber Trickling filter Detritus tank Skimming tank Grit chamber Trickling filter Detritus tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm. 10000 to 100000 3000 to 6000 6000 to 9000 1000 to 2000 10000 to 100000 3000 to 6000 6000 to 9000 1000 to 2000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Color test of water is done with an instrument called Tintometer Colorimeter Electro-chemical cell Turbidimeter Tintometer Colorimeter Electro-chemical cell Turbidimeter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Removal of __________ is accomplished by aeration of water. Suspended solids Dissolved gases Dissolved solids None of these Suspended solids Dissolved gases Dissolved solids None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main pollutant in waste water discharged from a petroleum refinery is oil (both in free and emulsified form). Free oil is removed by Gravity separator having oil skimming devices Aerated lagoons Biological oxygen pond Trickling filters Gravity separator having oil skimming devices Aerated lagoons Biological oxygen pond Trickling filters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive solid nuclear wastes are disposed off by Underground burial in concrete containers High temperature incineration Pyrolysis Pathological incineration Underground burial in concrete containers High temperature incineration Pyrolysis Pathological incineration ANSWER DOWNLOAD EXAMIANS APP
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