Environmental Engineering in CE The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU). 20 1500 750 230 20 1500 750 230 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smog is A combination of smoke and fog A solid particle e.g. flyash A liquid particle resulting from vapor condensation Nothing but black smoke A combination of smoke and fog A solid particle e.g. flyash A liquid particle resulting from vapor condensation Nothing but black smoke ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Iron & manganese present as pollutant in water can not be removed by Chlorination Oxidation followed by settling & filtration Lime soda process or manganese zeolite process Ion exchange process Chlorination Oxidation followed by settling & filtration Lime soda process or manganese zeolite process Ion exchange process ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The weakest sound that can be heard by a person in a quiet environment is equivalent to __________ decibel. 5 1 20 10 5 1 20 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the Both B and C Catalytic conversion Global warming Green house effect Both B and C Catalytic conversion Global warming Green house effect ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most efficient and suitable dust removal equipment for removal of flyash from flue gas in a thermal power plant is the Electrostatic precipitator Bag filter Gravity settling chamber Cyclone separator Electrostatic precipitator Bag filter Gravity settling chamber Cyclone separator ANSWER DOWNLOAD EXAMIANS APP