Environmental Engineering in CE Reingleman chart No. 2 corresponds to __________ percent black smoke. 20 10 80 40 20 10 80 40 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dissolved oxygen content in river water is around __________ ppm. 100 250 5 500 100 250 5 500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The progressive warming up of the earth's surface is mainly due to the Automobile exhaust Blanketing effect of CO₂ in the atmosphere Thickening of ozone layer De-forestation Automobile exhaust Blanketing effect of CO₂ in the atmosphere Thickening of ozone layer De-forestation 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. 8 4 12 1 8 4 12 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. 500 50 5 1 500 50 5 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Average human body contains about __________ percent water by weight. 85 40 70 20 85 40 70 20 ANSWER DOWNLOAD EXAMIANS APP