Environmental Engineering in CE The principal gas evolved from sludge digestion tank is CH₄ N₂ CO CO₂ CH₄ N₂ CO CO₂ 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 asphyxia Acts as a green house gas thereby raising earth's temperature Causes increase in sea level Inhances the green house effect Causes asphyxia Acts as a green house gas thereby raising earth's temperature Causes increase in sea level Inhances the green house effect ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Shouting by a man at his full voice corresponds to a voice level of about __________ decibels. 50 120 25 80 50 120 25 80 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum? Acceleration Cruising Idle running Deaccelaration Acceleration Cruising Idle running Deaccelaration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fine grit present in sewage is removed in the __________ during sewage treatment. Detritus tank Skimming tank Trickling filter Grit chamber Detritus tank Skimming tank Trickling filter Grit chamber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Thermal pollution of water increases its toxicity and oxidation of oxygen demanding waste besides favouring bacterial growth. A rise in water temperature by 10°C, doubles the toxic effects of __________ present in it. Coal ash Potassium cyanide None of these Ortho-xylene Coal ash Potassium cyanide None of these Ortho-xylene ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS