Environmental Engineering in CE Reingleman chart No. 2 corresponds to __________ percent black smoke. 10 40 20 80 10 40 20 80 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) of CO in air is __________ ppm. 50 5 5000 2000 50 5 5000 2000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in 'gas chamber' is about __________ ppm. 100-200 10-100 100-1000 100-200 10-100 100-1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants, if present in atmosphere is detectable by its odour? NO₂ CO₂ SO₂ CO NO₂ CO₂ SO₂ CO 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 Carbon dioxide Ozone Hydrogen None of these Carbon dioxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ hardness is responsible for the temporary hardness in water. Calcium Sulphate Carbonate Choride Calcium Sulphate Carbonate Choride ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS