Environmental Engineering in CE Noise emitted by a ventilation fan at a distance of 3 metres is about __________ decibels. 85 105 145 125 85 105 145 125 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Acute danger to human life (i.e. death) exists, if the concentration of CO₂ in atmospheric air exceeds __________ percent (by volume). 3 7 1 20 3 7 1 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur. 1000 500 3000 (i.e. 0.3%) 50 1000 500 3000 (i.e. 0.3%) 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In the context of the chemical process industries, the term BOD is normally associated with the Characterisation of solid wastes Characterisation of liquid effluents Characterisation of boiler feed water Organic concentration in gaseous effluents Characterisation of solid wastes Characterisation of liquid effluents Characterisation of boiler feed water Organic concentration in gaseous effluents ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE World environment day is observed every year on the 5th of September December July June September December July June ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High noise level in a chemical plant can be controlled by the Suppression of noise at the source itself All of these Path control of noise Protection of operating personnel Suppression of noise at the source itself All of these Path control of noise Protection of operating personnel ANSWER DOWNLOAD EXAMIANS APP
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