Environmental Engineering in CE Growth of __________ is promoted by the presence of manganese in water. Algae Files Micro-organisms Mosquitoes Algae Files Micro-organisms Mosquitoes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Solid content in most of the domestic sewage is about __________ percent. 0.1 5 0.001 10 0.1 5 0.001 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about __________ decibels. 185 105 160 135 185 105 160 135 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) Acts as a green house gas thereby raising earth's temperature Causes increase in sea level Causes asphyxia Inhances the green house effect Acts as a green house gas thereby raising earth's temperature Causes increase in sea level Causes asphyxia Inhances the green house effect ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of volatile compounds like gasoline, oil, alcohol, ether etc. in municipal sewers may cause Explosion Non biodegradable foam Undesirable plant growth Corrosion Explosion Non biodegradable foam Undesirable plant growth Corrosion 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 Trickling filters Biological oxygen pond Aerated lagoons Gravity separator having oil skimming devices Trickling filters Biological oxygen pond Aerated lagoons ANSWER DOWNLOAD EXAMIANS APP
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