Environmental Engineering in CE Acute danger to human life (i.e. death) exists, if the concentration of CO₂ in atmospheric air exceeds __________ percent (by volume). 7 1 3 20 7 1 3 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A shallow pond in which the sewage is retained and biologically treated is called Lagoon Imhoff tank Skimming tank Oxidation Lagoon Imhoff tank Skimming tank Oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The lowest layer of atmosphere is known as the Stratosphere Ionosphere None of these Troposphere Stratosphere Ionosphere None of these Troposphere 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 Causes increase in sea level Inhances the green house effect Acts as a green house gas thereby raising earth's temperature Causes asphyxia Causes increase in sea level Inhances the green house effect Acts as a green house gas thereby raising earth's temperature ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Out of the following, TLV of __________ is the minimum (about 0.02 ppm). Ozone Phosgene MIC (methyl iso-cynate) Bromine Ozone Phosgene MIC (methyl iso-cynate) Bromine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes Corrosion, tarnishing & soiling of metals All of these Fading of dyes on textiles Reduced strength of textiles Corrosion, tarnishing & soiling of metals All of these Fading of dyes on textiles Reduced strength of textiles ANSWER DOWNLOAD EXAMIANS APP
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