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. 4 12 8 1 4 12 8 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Death may occur, when SO₂ concentration in atmospheric air exceeds __________ ppm. 400 100 20 200 400 100 20 200 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible limit of mercury in human blood is __________ micrograms/100 c.c. 7 82 19 1 7 82 19 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Persons working in cement plants and limestone quarries are more prone to disease like Cancer Silicosis Asthma Flourosis (bone disease) Cancer Silicosis Asthma Flourosis (bone disease) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Deaeration of high pressure boiler feed water is done to reduce Caustic embrittlement Foaming from boilers Its dissolved oxygen content Its silica content Caustic embrittlement Foaming from boilers Its dissolved oxygen content Its silica content ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hydrogen ion concentration in distilled water is 10⁷ 7 x 10⁻⁷ 7 x 10⁷ 10⁻⁷ 10⁷ 7 x 10⁻⁷ 7 x 10⁷ 10⁻⁷ ANSWER DOWNLOAD EXAMIANS APP