Environmental Engineering in CE The permissible color for domestic water supply is __________ ppm. 1 100 20 1000 1 100 20 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate? NOx SO₂ CO CFC (chloro fluoro carbons) NOx SO₂ CO CFC (chloro fluoro carbons) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The ratio of oxygen available to the oxygen required for stabilisation of sewage is called the Oxygen ion concentration Biological oxygen demand (BOD) Relative stability Bacterial stability factor Oxygen ion concentration Biological oxygen demand (BOD) Relative stability Bacterial stability factor ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of aldrin in public water supply system is about __________ μg/litre. 1097 357 0.5 17 1097 357 0.5 17 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm. 3000 to 6000 6000 to 9000 10000 to 100000 1000 to 2000 3000 to 6000 6000 to 9000 10000 to 100000 1000 to 2000 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 Green house Global warming Atmospheric effect Ionosphere Green house Global warming Atmospheric effect Ionosphere ANSWER DOWNLOAD EXAMIANS APP
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