Environmental Engineering in CE As per the world health organisation (WHO) specification, the maximum permissible concentration (i.e., TLV) of particulate matter in air is __________ μg/m³.(μg-microgram) 800 10 750 90 800 10 750 90 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The permissible color for domestic water supply is __________ ppm. 100 1000 1 20 100 1000 1 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth's atmosphere, which absorbs it. Hydrogen None of these Ozone Carbon dioxide Hydrogen None of these Ozone Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smoke is produced due to Insufficient supply of combustion air and insufficient time for combustion Poor quality of fuel and improper mixing of fuel & combustion air All of these Poor design & overloading of furnace Insufficient supply of combustion air and insufficient time for combustion Poor quality of fuel and improper mixing of fuel & combustion air All of these Poor design & overloading of furnace ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The progressive warming up of the earth's surface is mainly due to the De-forestation Thickening of ozone layer Blanketing effect of CO₂ in the atmosphere Automobile exhaust De-forestation Thickening of ozone layer Blanketing effect of CO₂ in the atmosphere Automobile exhaust ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ozone level is generally found to be depleted in India in the month of December February July April December February July April ANSWER DOWNLOAD EXAMIANS APP
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