Environmental Engineering in CE TLV of aldrin in public water supply system is about __________ μg/litre. 17 0.5 1097 357 17 0.5 1097 357 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A shallow pond in which the sewage is retained and biologically treated is called Imhoff tank Skimming tank Oxidation Lagoon Imhoff tank Skimming tank Oxidation Lagoon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise pollution level in a chemical plant is expressed in Hertz Decibel Roentgen None of these Hertz Decibel Roentgen None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 5-200 μm size particles are called Dust Powder Colloids or aerosols Smoke Dust Powder Colloids or aerosols Smoke 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) 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 Acts as a green house gas thereby raising earth's temperature Causes increase in sea level Causes asphyxia ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm. 500 5 1000 10000 500 5 1000 10000 ANSWER DOWNLOAD EXAMIANS APP