Environmental Engineering in CE Lagooning process is mainly a means of the Reduction of excessive flow in sewers Biological treatment of wastes None of these Sludge disposal Reduction of excessive flow in sewers Biological treatment of wastes None of these Sludge disposal ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Out of the following, TLV of __________ is maximum (about 500 ppm). Toluene Acetaldehyde Carbon dioxide Carbon disulphide Toluene Acetaldehyde Carbon dioxide Carbon disulphide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyl and haemoglobin breakdown of some animals, beyond TLV (>50 ppm) Causes increase in sea level Causes asphyxia Acts as a green house gas thereby raising earth's temperature Inhances the green house effect Causes increase in sea level Causes asphyxia Acts as a green house gas thereby raising earth's temperature Inhances the green house effect ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In the context of the chemical process industries, the term BOD is normally associated with the Organic concentration in gaseous effluents Characterisation of boiler feed water Characterisation of liquid effluents Characterisation of solid wastes Organic concentration in gaseous effluents Characterisation of boiler feed water Characterisation of liquid effluents Characterisation of solid wastes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ozone (O₃) and phosgene (COCl₂) in air is __________ ppm. 1000 0.1 100 25 1000 0.1 100 25 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 Aerated lagoons Gravity separator having oil skimming devices Biological oxygen pond Trickling filters Aerated lagoons Gravity separator having oil skimming devices Biological oxygen pond Trickling filters ANSWER DOWNLOAD EXAMIANS APP
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