Environmental Engineering in CE Fluorosis is caused due to the presence of excessive amount of __________ in drinking water. Fluoride Arsenic Mercury Lead Fluoride Arsenic Mercury Lead ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is an adsorbant for removal of nitrogen oxides from gas/air? Silica gel Pulverised limestone Active carbon Bog iron (iron oxide) Silica gel Pulverised limestone Active carbon Bog iron (iron oxide) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The concentration of water vapour in troposphere, which depends upon the altitude & temperature varies in the range of zero to __________ percent. 12 8 4 1 12 8 4 1 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 CO CFC (chloro fluoro carbons) SO₂ NOx CO CFC (chloro fluoro carbons) SO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A man exposed to excessive noise level in the working environment may suffer from Rupture of ear drum All of these Hearing loss Nervousness & fatigue Rupture of ear drum All of these Hearing loss Nervousness & fatigue ANSWER DOWNLOAD EXAMIANS APP
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
EXAMIANS