Environmental Engineering in CE A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm. 1000 to 2000 6000 to 9000 10000 to 100000 3000 to 6000 1000 to 2000 6000 to 9000 10000 to 100000 3000 to 6000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The maximum CO₂ is emitted into the atmosphere by Biomass burning Urea Trees Combustion Biomass burning Urea Trees Combustion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a green house gas other than CO₂ ? Methane Nitrous oxide Chlorofluro carbons (CFC) All of these Methane Nitrous oxide Chlorofluro carbons (CFC) All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A 'body' which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the Global warming Atmospheric effect Green house Ionosphere Global warming Atmospheric effect Green house Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Green house effect is accentuated by Rapid industrialisation Increased transportation activity Deforestation All of these Rapid industrialisation Increased transportation activity Deforestation All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The progressive warming up of the earth's surface is mainly due to the Blanketing effect of CO₂ in the atmosphere Automobile exhaust De-forestation Thickening of ozone layer Blanketing effect of CO₂ in the atmosphere Automobile exhaust De-forestation Thickening of ozone layer ANSWER DOWNLOAD EXAMIANS APP
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