Environmental Engineering in CE Out of the following, TLV of __________ is maximum (about 500 ppm). Toluene Carbon disulphide Carbon dioxide Acetaldehyde Toluene Carbon disulphide Carbon dioxide Acetaldehyde 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 Biological oxygen pond Aerated lagoons Gravity separator having oil skimming devices Trickling filters Biological oxygen pond Aerated lagoons Gravity separator having oil skimming devices Trickling filters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The maximum COâ‚‚ is emitted into the atmosphere by Combustion Trees Urea Biomass burning Combustion Trees Urea Biomass burning ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The length of rectangular sedimentation tank should not be more than(Where ‘B’ is the width of the tank) B 8B 4B 2B B 8B 4B 2B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fresh domestic sewage is __________ in color. Dark brown Grey Black Red Dark brown Grey Black Red ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrates in water in excess of 50 ppm causes Tooth decay Mathenoglobenemia Gastroentetitis Asphyxiation Tooth decay Mathenoglobenemia Gastroentetitis Asphyxiation ANSWER DOWNLOAD EXAMIANS APP